英语词汇“bark beetle”造句的方法、技巧、例句及翻译-英语例句辞典

Powerful sprayers direct a stream of poison to all parts of the tallest trees, killing directly not only the target organism, the bark beetle, but other insects, including pollinating species and predatory spiders and beetles. Silent Spring 1962-09-27T00:00:00Z

The disease is spread from diseased to healthy trees by elm bark beetles. Silent Spring 1962-09-27T00:00:00Z

With live-edge wood, you might also see pinholes made by other kinds of insects, such as shothole borers or bark beetles, Potter said. What to do about powder post beetles in furniture 2018-09-07T04:00:00Z

Along with lightning strikes, pine bark beetles and old age, wind is among the main causes of felled trees in Congaree. Among the Majestic Trees in Congaree, Slipping Into Silence 2018-07-16T04:00:00Z

The nonprofit supports his exploration as it works to combat the effects of bark beetles and blister rust in Western forests. Tree hunters find three of the tallest sugar pines known on Earth 2021-02-03T05:00:00Z

Blister rust, an introduced fungal disease, is laying waste to increasingly rare whitebark pines; the invasive banded elm bark beetle is felling elms already weakened by drought or Dutch elm disease. The U.S. Issue: Endangered Species: A Coast-to-Coast Guide to Endangered Species 2011-05-13T20:22:51Z

Forest Service; sparks from electrical lines, power tools, automobiles and even arson; and a profusion of native bark beetles feeding on drought- and fire-stressed trees. Heat, Water, Fire: How Climate Change Is Transforming the Pacific Crest Trail 2022-08-31T04:00:00Z

Viruses, bacteria, disease-carrying species like mosquitoes and ticks, and pest species like bark beetles are now being pushed far beyond their native ranges. ‘The Sixth Extinction,’ by Elizabeth Kolbert 2014-02-10T18:47:42Z

California trees are also dying at a record pace due to drought, wildfires, bark beetle infestation and other threats. U.N. report warns of catastrophic climate tipping points. California is nearing several 2023-10-26T04:00:00Z

On other slopes, towering trees were a sickly orange — the telltale sign of a bark beetle infestation. Column: For nearly a century, this camp has hosted city children. Tropical Storm Hilary destroyed it 2023-09-27T04:00:00Z

The trees have suffered at least a 70% increase in mortality over the last decade due to severe drought and bark beetle infestations. Damage from Tropical Storm Hilary will keep Death Valley National Park closed for months 2023-09-03T04:00:00Z

The dramatic die-offs were largely attributed to drought, disease and insects such as bark beetles, which prey on weakened trees. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z

I just got back from a vacation in Colorado, where the Rocky Mountains are full of dead brown pine trees thanks to a years-long bark beetle infestation linked to warmer temperatures. Abcarian: Dying from the heat is not a political statement 2023-07-30T04:00:00Z

The elm bark beetle acts as a vector and transmits the disease from tree to tree. Concepts of Biology 2013-04-25T00:00:00Z

Drought has enabled western pine bark beetles to kill large swaths of forest. Most of Yosemite Valley is closed due to potentially perilous snowpack and flooding 2023-04-29T04:00:00Z

Such a passive word, “deindustrialization” — leaving the impression that it just happened somehow, as if the country got deindustrialization the way a forest gets infested by bark beetles. Why Poverty Persists in America 2023-03-09T05:00:00Z

Since 2013, drought and bark beetles have killed thousands of bristlecone pines — considered the oldest trees on Earth — at Telescope Peak in Death Valley National Park. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z

Meanwhile, bark beetles often take advantage of weak, stressed trees that can’t defend themselves. How extreme heat scorched Pacific Northwest’s evergreen trees 2023-02-13T05:00:00Z

More recently, the trees have proven vulnerable to bark beetles that have killed millions of acres of forest, and climate change that scientists say is responsible for more severe wildfire seasons. Whitebark pine that feeds grizzlies is threatened, U.S. says 2022-12-14T05:00:00Z

What’s more, thirsty trees are weaker and more susceptible to deadly attacks from bark beetles, which bore into them and chew away at their inner cores. Nearly a third of southern Sierra forests killed by drought and wildfire in last decade 2022-11-01T04:00:00Z

The Pacific Northwest has suffered far bigger diebacks than this but almost exclusively at the hands of an aggressive bark beetle infestation, a fatal disease or deadly fungal infection. Has this iconic Northwest tree reached a tipping point? 2022-10-30T04:00:00Z

Ponderosa pines are also suffering from bark beetles and heat-related stress, said Avery Hill, a postdoctoral researcher at the California Academy of Sciences. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z

Sierra Nevada: Devastating bouts of drought, drought-related bark beetle infestations and record-breaking wildfires have killed 30 percent of California’s Sierra Nevada forests, The Sacramento Bee reports. We’ve Updated the California Soundtrack 2022-10-28T04:00:00Z

So many of the trees — if they hadn’t been burned off by the Dixie blaze — were done in by bark beetles, resulting in orange landscapes of dead trees. Chase Cascade lava on a Volcanic Legacy Scenic Byway road trip 2022-09-16T04:00:00Z

Deprived of water, many trees are unable to produce the sap necessary to trap and kill attacking bark beetles. As forests go up in smoke, so will California's climate plan 2022-08-29T04:00:00Z

Parched brush and grass helped spread flames into stands of dense timber littered with conifers that had been killed by drought and bark beetles, Freeman said. Two California fires in the Sierra Nevada have very different outcomes. Why? 2022-07-30T04:00:00Z

There flames have overtaken conifers killed by drought and bark beetle infestations causing crown fires, where the blaze burns through the top layer of foliage on a tree. Firefighters face punishing weather conditions in battle against raging fire near Yosemite 2022-07-24T04:00:00Z

Flames chewed through parched grass, brush and woodland oak, advancing into timber stands littered with conifers killed by both drought and bark beetle infestations, to which drought-weakened trees are more susceptible, fire officials said. Explosive fire near Yosemite is California's largest this year, forcing thousands to flee 2022-07-23T04:00:00Z

Heat and drought have also stoked fires by killing trees, both directly and by making them more vulnerable to bark beetle infestations. California forests are vanishing as wildfires burn larger and more intensely 2022-07-20T04:00:00Z

High temperatures, degraded ecosystem health, and bark beetle infestations have killed millions of trees in Yosemite alone. Why fighting fire with fire might actually save Yosemite's giant sequoias 2022-07-19T04:00:00Z

With climate change, fungal tree diseases spread by bark beetles are destroying conifer forests throughout North America. Review | Our planet is covered in fungus — and that’s a good thing 2022-07-15T04:00:00Z

And then that stress exacerbates these other stressors that are coming into the environment: For example, the fact that we now see these bark beetle populations exploding. Meet the Giant Sequoia, the ‘Super Tree’ Built to Withstand Fire 2022-07-15T04:00:00Z

The downed trees, in addition to massive numbers of pines killed by bark beetles, provided ample fuel for the flames. Yosemite wildfire grows, but giant sequoias remain protected 2022-07-12T04:00:00Z

Trees destroyed by bark beetles, killed by climate-change-induced drought and felled by a major windstorm serve as fuel for flames. Yosemite wildfire doubles in size, threatens over 500 giant sequoias 2022-07-09T04:00:00Z

Yet since 2015, intense wildfires have leveled a heavy blow to many populations that bark beetles have already weakened. Why fighting fire with fire might actually save Yosemite's giant sequoias 2022-07-19T04:00:00Z

But they said that parts of the grove still have dense concentrations of dead plant material due to bark beetle kills that have plagued the Sierra Nevada. Yosemite fire threatening historic sequoias first protected by Abraham Lincoln 2022-07-10T04:00:00Z

The downed trees, along with massive numbers of pines killed by bark beetles, provided ample fuel for the flames. Yosemite fire grows as crews protect iconic sequoias 2022-07-10T04:00:00Z

At the same time, she said, parts of the grove still have dense concentrations of dead plant material due to bark beetle kills that have plagued the Sierra Nevada. Out-of-control Yosemite fire threatens iconic giant sequoias in Mariposa Grove 2022-07-09T04:00:00Z

The downed trees, along with massive numbers of pines killed by bark beetles, provided ample fuel for the flames, but winds Friday were calm and the fire was not spreading rapidly. Wildfire grows near famed Yosemite grove of sequoia trees 2022-07-08T04:00:00Z

Extreme drought and bark beetles now threaten California’s Ancient Bristlecone Pine Forest, home to Methuselah, a 4,853-year-old bristlecone pine. Extreme heat, drought will permanently scar California and its social fabric 2022-06-30T04:00:00Z

Hotter droughts and bark beetles are for the first time in recorded history killing bristlecones, according to a recent study published in the scientific journal Forest Ecology and Management. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z

The carnage is the result of devastating drought that weakened trees, leaving them more susceptible to attack from bark beetles. What you’re seeing in Google’s Earth Day Doodle 2022-04-22T04:00:00Z

Vegetation is desiccated, and forests are vulnerable to pests, such as bark beetles, making fire seasons year-round affairs, not merely a threat during seasonal periods of dry offshore Santa Ana winds. California drought, Australia floods: Two sides of La Niña amplified by climate change 2022-03-03T05:00:00Z

And mature Douglas firs planted decades ago at Burgholz are losing their needles, Gärtner says; some have even been attacked by bark beetles. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z

Drought also has directly contributed to the sequoias’ decline, weakening their defenses and making them susceptible to incursions from bark beetles, another scourge to which they’ve historically been immune. 'There is nothing alive on that tree': Inside a giant sequoia grove scorched by the KNP Complex fire 2021-11-26T05:00:00Z

In the meantime, the daunting task of keeping an eye out for bark beetle attacks in public lands belongs to forest pathologists like MacKenzie. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z

In Germany, for example, changes in the spectral signatures of spruce forests coincided with a wave of dying trees infected by an invasive spruce bark beetle. Satellites offer new ways to study ecosystems—and maybe even save them 2021-11-17T05:00:00Z

The bark of gray, dead, towering trees is punctured by tiny pinpricks: traces of the European spruce bark beetle. On a Pacific Island, Russia Tests Its Battle Plan for Climate Change 2021-10-19T04:00:00Z

The water-starved spruces could no longer produce the tough gooey resin that helps protect them against insects, leaving them open to attack by bark beetles, which normally feed on dead or dying trees. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z

The dense trees became susceptible to disease — bark beetles in a drought — and nearly 170 million now are dead, creating hot-burning fire fuel. Column: As California continues to burn, politicians must have their feet held to the fire 2021-10-18T04:00:00Z

For thousands of years, bark beetles were held in check or eliminated by the harsh conditions of the stony, storm-battered mountain crests where the grotesque, twisted trees have evolved an arsenal of survival strategies. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z

An infestation of bark beetles a few years ago killed a large number of drought-weakened trees, felling them and strewing their parched carcasses on the ground. Strong winds fanning Windy, KNP Complex fires as they burn through southern Sierra Nevada 2021-09-28T04:00:00Z

Pacific typhoons have increasingly been hitting farther north, reaching Sakhalin, where they knock over huge swaths of trees that, lacking live trees’ natural defenses, become fodder for bark beetles. On a Pacific Island, Russia Tests Its Battle Plan for Climate Change 2021-10-19T04:00:00Z

Here, waves of bark beetles have killed more than 10,000 hectares of spruce stands. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z

Drought-stricken trees damaged by bark beetles are fueling the blaze, officials said. Wildfires rage in Sequoia National Park, threatening groves of giant trees, forcing closures 2021-09-13T04:00:00Z

But in hot, drought-stricken mixed forests, bark beetles first land on nearby limber and pinion pines, generating new broods that can attack bristlecones, overwhelming their defense systems. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z

May 14, 2021: “Spruce bark beetles are still the No. 1 subject of questions I get, and I get lots.” He Wrote a Gardening Column. He Ended Up Documenting Climate Change. 2021-07-28T04:00:00Z

Dutch Elm Disease is a fungal infection spread by tiny bark beetles. Disease killing 'Europe's oldest' elm tree 2021-07-29T04:00:00Z

If the park had simply cleared and replanted, he says, “then in 60 years you would again have a forest that’s as interesting for the bark beetle as for the spruce forester.” Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z

Drought stress also weakens trees, leaving them susceptible to bark beetle infestations. Trees are dying of thirst in the Western drought 2021-07-11T04:00:00Z

In an interview, Millar recalled what she described as “a sense of shock when I first came upon hundreds of bristlecones killed by bark beetles on the highest slopes of Telescope Peak in Death Valley.” Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z

That was compounded by a drought that killed scores of pines and firs from 2012 to 2016, both directly and as a result of fatal bark beetle infestations. As wildfires decimate the giant sequoia, California faces unprecedented loss 2021-06-05T04:00:00Z

A lot of bark beetles were found east of Santa Fe, and they expand from there, he said. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z

The government says logging is needed to clear paths and protect trees from an infestation of spruce bark beetle. Bialowieza: Poland to resume logging in primeval forest 2021-03-09T05:00:00Z

According to Reuters, bark beetles infested around 18 million cubic meters of timber there in 2018 — around 10 times the amount typically seen in previous years. European Forests Have Become More Vulnerable to Insect Outbreaks 2021-02-24T05:00:00Z

The nonprofit supports his exploration as it works to combat the effects of bark beetles and blister rust in western forests. 3 Sierra sugar pines added to list of 6 biggest in world 2021-01-31T05:00:00Z

Stephenson’s research suggests that the combination of the drought, the bark beetle infestation, and fires fueled by drought-killed trees made this season’s burns worse and anticipates more unintended feedback loops to emerge in the future. California’s sequoias and redwoods can survive climate change—if we help them 2021-01-06T05:00:00Z

“Our prediction for this year is that we will likely see an uptick in the amount of bark beetles - probably most apparent in the piñon woodlands,” said Andrew Graves, head entomologist for the U.S. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z

In the Sierra, bark beetles feasted on drought-stressed conifers, adding millions of dead trees to forests already overloaded with fuel. Op-Ed: The Golden State treescape wasn't made to last 2020-11-01T04:00:00Z

While there are thousands of species of bark beetles all over the world, many of them share a common life cycle. European Forests Have Become More Vulnerable to Insect Outbreaks 2021-02-24T05:00:00Z

Crucially for Western forests, hard freezes kill larvae before they develop into mature bark beetles. ‘This season is off the charts’: Colorado fights the worst wildfires in its recent history 2020-10-30T04:00:00Z

A rare August dry lightning siege over much of Central and Northern California ignited some 650 blazes, many in areas where trees were abnormally dry or dead from drought and bark beetle infestation. Along California's ring of fire, residents face decades of danger, destruction 2020-10-24T04:00:00Z

“It’s just too many trees to spray … before the bark beetles come out,” Graves said. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z

They also didn’t include the invasion of bark beetles that killed hundreds of thousands of trees, making them more flammable, he said. California’s Mega-Fires Have Arrived 30 Years Early 2020-10-20T04:00:00Z

A third told me about ponderosa pines killed by bark beetles but not yet cut down. California will keep burning. But housing policy is making it worse 2020-10-11T04:00:00Z

California was turned into a tinderbox of dead trees after a five-year drought and a bark beetle epidemic that killed 150 million trees, the largest die-off in modern history. California wildfires are huge this year, but not deadliest 2020-10-05T04:00:00Z

“Consequently, if these conditions remain similar in 2021 then tree death may increase in direct response to drought and warming or indirectly by being more attractive and susceptible to bark beetle attack.” Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z

Like too many chickens in a coop, the dense trees became susceptible to disease — bark beetle havens in a drought — and 163 million now are dead, creating hot-burning fire fuel. Column: To study wildfire prevention, Berkeley experts are looking to Baja. Newsom should too 2020-09-21T04:00:00Z

A drought-induced infestation of bark beetles killed 150 million trees alone in California, creating huge swaths of easily flammable material. Explainer: How this year's destructive U.S. West wildfire season came to be 2020-09-15T04:00:00Z

It is burning in the Sierra National Forest, an epicenter of the bark beetle attacks that killed nearly 150 million drought-stressed trees during the last decade. 150 million dead trees could fuel unprecedented firestorms in the Sierra Nevada 2020-09-13T04:00:00Z

The fire ripped through timber made more flammable by the bark beetle infestation, cutting across Highway 168, the main road between Shaver and Huntington lakes. Daring escapes, wrenching devastation as 'the fire is blowing up everywhere' 2020-09-09T04:00:00Z

The fire, fueled by dense patches of overgrown pines and tree trunks killed by bark beetles and drought, doubled in size within the Sierra National Forest to about 135,000 acres overnight. Much of the American West is on fire, illustrating the dangers of a climate of extremes 2020-09-08T04:00:00Z

Drier conditions are also stressing trees in Colorado and the other Four Corners states, making them more prone to bark beetle infestations. ‘Wake-up call’: wildfires tear through drought-plagued US south-west 2020-08-26T04:00:00Z

In practice, though, “something always comes along” and interrupts, whether that’s a windstorm, a logging harvester or a swarm of bark beetles, he said. Can Trees Live Forever? New Kindling for an Immortal Debate 2020-07-27T04:00:00Z

The elimination of indigenous fire practices, logging of the biggest and most fire-resistant trees and fire suppression produced an overgrown forest vulnerable to bark beetle attacks during the severe California drought of 2012-16. 150 million dead trees could fuel unprecedented firestorms in the Sierra Nevada 2020-09-13T04:00:00Z

“The Forest Service has worked heroically to remove dead trees from the bark beetle,” said Donnelly. Daring escapes, wrenching devastation as 'the fire is blowing up everywhere' 2020-09-09T04:00:00Z

Gonzalez says that climate change has also been altering the park through droughts, bark beetle infestations and wildfires. 'It's a photo orgy': is Yosemite's rare firefall too beautiful for its own good? 2020-02-17T05:00:00Z

Stressed trees, Simeral said, “can be a trigger to the bark beetle to basically kill the trees”. ‘Wake-up call’: wildfires tear through drought-plagued US south-west 2020-08-26T04:00:00Z

There was a decline in tree mortality in 2019 due to bark beetles compared to 2018, but “large epidemics of spruce beetle and roundheaded/western pine beetles in Colorado continue to expand,” the report said. Colorado snowpack decreased beetle impact on trees 2020-02-05T05:00:00Z

But all that changed with startling speed because of the Dutch elm fungus, spread by bark beetles, beginning in Ohio in the 1930s. Clones help famous elm tree named Herbie live on, for now 2020-01-19T05:00:00Z

Stephenson emphasises that there is still further research to do on how bark beetles are killing giant sequoias but he is clear on one thing. 'This is not how sequoias die. It’s supposed to stand for another 500 years' 2020-01-18T05:00:00Z

But drought, bark beetles and climate change have ravaged this beloved conifer, whose population was already diminished by logging, development and other human activities. In the Sierra, scientists bet on 'survivor' trees to withstand drought and climate change 2019-11-18T05:00:00Z

Forest Service is providing funds to the state to help address an accelerating spread of spruce bark beetles. Federal money announced to fight Alaska spruce bark beetles 2019-05-19T04:00:00Z

Over half of forests in the Czech Republic are made up of Norwegian spruce that is host to the European spruce bark beetle. Climate change to blame as bark beetles ravage central Europe's... 2019-04-26T04:00:00Z

Campgrounds south of Denali National Park will be closed after spruce bark beetles ate through trees, killing them. Beetles create risk of falling trees at 2 Alaska campgrounds 2019-04-10T04:00:00Z

Ryan also cautioned that mosquitoes, ticks, bark beetles, and invasive fungus threaten animals and plants as well as human health, and climate change is making many of them worse. Climate change could push tropical diseases to Alaska, according to a new study 2019-04-07T04:00:00Z

Multiple species of bark beetles were by then ravaging forests across the North American West. Biological annihilation: A planet in loss mode 2018-12-17T05:00:00Z

A generations-old policy of fire suppression and reduced timber harvests caused stressed, overstocked forests that were unable to fend off mountain pine beetles and spruce bark beetles. Vast forests of dead or stressed trees prompt new federal approach to restoration out West 2018-12-06T05:00:00Z

While the bark beetle is natural to conifer forests and has a role in their ecosystem, climate change has helped it spread especially through single-variety spruce woods planted over the past two centuries. Climate change to blame as bark beetles ravage central Europe's... 2019-04-26T04:00:00Z

Between 2010 and 2017, drought and bark beetle infestation contributed to the death of 129 million trees in the Sierra Nevada, increasing the risks of wildfires in the region, according to the U.S. Explainer: Blame climate, but crowded forests also fuel California... 2018-11-14T05:00:00Z

In Yellowstone national park, trees are dying because bark beetles are thriving in warmer winters. Vanishing Joshua trees: climate change will ravage US national parks, study says 2018-09-25T04:00:00Z

Researchers believe that the hundreds of millions of trees killed by bark beetles in the West — an estimated 129 million in California alone — will cause even more severe fires as they collapse. Fierce and Unpredictable: How Wildfires Became Infernos 2018-08-13T04:00:00Z

In the mountains, drought damage has been augmented by bark beetle infestations that have left more than 100 million trees dead on their roots in California alone. Editorial Roundup: Excerpts from recent editorials 2018-08-01T04:00:00Z

Where the flames are more easily accessible, crews are battling the blaze among groves of dead standing timber destroyed by an epic bark beetle infestation and years of drought, Mackensen said. Ferguson fire is burning in 'some of the most unforgiving topography in the central Sierra,' Forest Service says 2018-07-23T04:00:00Z

In the southwest, bark beetles have killed billions of conifers now providing fuel for infernos. Explainer: Drought creates a perfect storm for wildfires in U.S. West 2018-07-12T04:00:00Z

The controversial logging was ordered by the previous minister, who argued it was to stop a bark beetle infestation. Poland ready to end extensive logging in pristine old forest 2018-05-15T04:00:00Z

The ruling goes against the government’s insistence, that the extensive logging was a necessary step in the fight against the spread of the bark beetle. Polish court acquits protesters of logging in old forest 2018-05-11T04:00:00Z

In 2016, Jan Szyszko, then the minister for the environment, approved a tripling of logging, saying that it was necessary to fight an outbreak of spruce bark beetles. European court backs opponents of logging in primeval Polish forest 2018-02-20T05:00:00Z

In 2016, the previous minister authorized massive logging in the forest, saying he was fighting an outbreak of bark beetle infestation. EU advocate says Poland broke law by logging in forest 2018-02-20T05:00:00Z

An onslaught of bark beetles is threatening to decimate the mighty pine forests of Belarus. Beetles threaten Belarus pine forests 2018-02-01T05:00:00Z

Big Pine itself was killed by bark beetles. Big Pine is dead; Oregon campground’s fate up in the air 2018-01-29T05:00:00Z

Climate change, the bark beetle, farming, and the demand for lumber and firewood, are all taking their toll on the forest. A Billion-Dollar Investment in New York’s Water 2018-01-18T05:00:00Z

Scientists tell the Arizona Daily Sun that without enough winter moisture, the trees will be more susceptible to bark beetles and disease, all of which lead to tree mortality. Dry winter could stress Arizona’s ponderosa pines 2017-12-25T05:00:00Z

Still Morawiecki echoed his party’s line that the logging is meant to fight a bark beetle outbreak. New Polish PM debuts at summit, seeks better ties with EU 2017-12-14T05:00:00Z

The Peninsula Clarion reported Tuesday that the region’s last outbreak of spruce bark beetles was in the late 1990s. Alaska suffers resurgence of beetle that causes tree deaths 2017-12-07T05:00:00Z

“Our money is not in cutting trees,” Droń says as he pours a craft beer named after the bark beetle and brewed with spruce needles from Białowieża. Beetles are ravaging Europe’s oldest forest. Is logging the answer? 2017-12-05T05:00:00Z

The Polish government maintains that it always behaves lawfully and that logging in Białowieża is necessary to staunch a spruce bark beetle outbreak. Poland faces €100,000-a-day fines over illegal logging in Białowieża forest 2017-11-21T05:00:00Z

In a controversial decision last year, it approved a threefold increase in logging to combat spruce bark beetle. EU warns Poland of huge fine over forest 2017-11-21T05:00:00Z

For example, woodpeckers will fly in to feast on bark beetles in dead and dying trees, and leave when the beetles are gone. Wildfires: How They Form, And Why They're So Dangerous 2017-10-11T04:00:00Z

The agency estimates roughly 20 percent of the standing dead trees in 2015 were killed by bark beetles. State-by-state look at standing dead trees in Western US 2017-09-07T04:00:00Z

The Coronado National Forest says it plans to treat 300 acres of Douglas fir trees with a product that repels bark beetles. Southern Arizona forest plans to ward off tree-killing pests 2017-08-30T04:00:00Z

“Like a phoenix, once majestic ponderosa pine trees, destroyed by drought and bark beetles, will obtain new life in the temple at Burning Man,” the utility company said in a statement. Dead Sierra Nevada trees rise again in Burning Man temple in Black Rock Desert 2017-08-24T04:00:00Z

The Polish government responded by saying logging was necessary to protect the forest from an infestation of bark beetle. Poland storms kill six, destroy tens of thousands of trees - BBC News 2017-08-17T04:00:00Z

Szyszko said the logging is meant to save the woods from an infestation of bark beetle. EU court orders Poland to halt logging in ancient forest 2017-07-28T04:00:00Z

Officials said the fire also was burning in an area where there are many dead trees, killed by bark beetles and years of drought. 'An insane amount of heat' as fire near Yosemite National Park moves with frightening speed 2017-07-19T04:00:00Z

Polish officials argue that logging protects the forest from a violent infestation of bark beetles. In Poland, a Battle for the Fate of Europe’s Last Ancient Forest 2017-07-11T04:00:00Z

Revelers attending Burning Man next week will help California dispose of trees killed by a bark beetle infestation in the Sierra Nevada. Dead Sierra Nevada trees rise again in Burning Man temple in Black Rock Desert 2017-08-24T04:00:00Z

In addition, the drought fueled a bark beetle population that has tens of millions of trees in the state's Sierra Nevada forests, where snow still tops the mountains. California's Drought Is Over. But This Wildfire Season Will Still Be Severe 2017-06-29T04:00:00Z

But Noel says the lawsuit in the early 1990s delayed a Forest Service plan to get rid of an emerging cluster of bark beetles before it spread. Utah Republican Blames 'Tree Huggers' for Raging Wildfire 2017-06-28T04:00:00Z

Despite a green landscape, the drought and a devastating Sierra Nevada bark beetle infestation that’s killed more than 100 million trees means the threat of a wildfire hasn’t really diminished, she said. As heat persists, California wildfire threat grows 2017-06-21T04:00:00Z

Conservationists also point to the protected reserve in the Białowieża national park, which is surviving the same bark beetle outbreak without logging. 'My worst nightmares are coming true': Europe's last primeval forest on 'brink of collapse' 2017-05-23T04:00:00Z

“The bark beetle and its natural enemies spend most of their life cycle under the bark of trees,” said Larry Haimowitz, who is working on a master’s degree. Student developing new pine beetle predators study methods 2017-05-03T04:00:00Z

State and federal officials will be monitoring and surveying the camp areas and disposal sites this summer for pests such as emerald ash borer, gypsy moths and bark beetles. Protest camp areas to be monitored for invasive pests 2017-04-23T04:00:00Z

The drought stressed forests, leaving trees more susceptible to pests such as the bark beetle. Dry fields, lost lawns: A look back at California’s drought 2017-04-07T04:00:00Z

“We’re in crisis right now because any organism that’s under stress is less able to deal with stress, and all of our pine beetles, bark beetles are stressors to trees,” Loewenstein said. Experts worried about pine beetle outbreak in Alabama 2017-03-14T04:00:00Z

Eastern ash bark beetle was the most common, accounting for 85 percent of the total. Study: Invasive bugs found in fallen trees years after storm 2017-02-11T05:00:00Z

Thick patches of smaller Douglas fir are overcrowding the legacy pines, allowing bark beetles to run roughshod on the old trunks and helping nasty root-rot diseases creep through the soil. Thinning project pitched to save big pines in Oregon forest 2016-12-05T05:00:00Z

Geological Survey bird specialist, was sure the cause of avian keratin disorder would be found quickly: contaminated birdseed, a poison targeting spruce bark beetles, maybe some sort of bacterium or fungus. Researchers link virus to Alaska birds with deformed beaks 2016-10-25T04:00:00Z

Record high temperatures and bark beetles have fueled the fire risk. California Editorial Roundup 2016-10-19T04:00:00Z

Wohlleben concludes his book with an evocative description of the transformation of a conifer plantation that begins with the arrival of tiny bark beetles and ends with an ancient forest 500 years later. The subtle communication skills of trees 2016-10-05T04:00:00Z

No longer kept in check by winter’s freeze, bark beetle populations are growing. Like Tens of Millions of Matchsticks, California’s Dead Trees Stand Ready to Burn 2016-08-29T04:00:00Z

Over time, the disease will weaken the tree, welcoming bark beetles. Dwarf mistletoe and bark beetles attack Bogus Basin 2016-09-17T04:00:00Z

The dependence on corps crews has occurred as the California drought drags into its fifth year and millions of trees have been killed by bark beetles, Saito said. California turns to civilians as inmate firefighters dwindle 2016-09-12T04:00:00Z

Many of the trees stressed by those storms were then made more susceptible to insects such as bark beetles, the department wrote in a report analyzing the state’s forest conditions in 2014. New Orleans green spaces experiencing post-Katrina comeback 2016-09-03T04:00:00Z

Firefighters worked on keeping the flames from moving east and into drought-stricken woodlands, besieged by a bark beetle invasion, Tolmachoff said. Deadly 51,000-acre wildfire near Big Sur spreads into footprint of massive 2008 Basin Complex fire 2016-08-04T04:00:00Z

The fire was burning a number of dead trees devastated by California's four-year drought and a severe bark beetle infestation. Wildfires trigger more evacuations in the West 2016-07-02T04:00:00Z

Meanwhile, five years of drought, heat and bark beetles have left roughly 66 million dead trees in the Sierra Nevada, ready to ignite. California Today: Wildfires, Earlier Than Ever 2016-06-27T04:00:00Z

The trees are dying due to a lethal combination of drought, heat and voracious bark beetles, heightening the already serious danger of big brush fires. Massive, fast-moving fire devours dozens of homes in Kern County 2016-06-24T04:00:00Z

Forest Service announced Wednesday, June 22, 2016, that the number of trees in California's Sierra Nevada forests killed by drought and a bark beetle epidemic has dramatically increased since last year. Feds: Drought kills 66 million trees in California's Sierra 2016-06-22T04:00:00Z

The largest fire risk is in the Sierra Nevada foothills where 29 million trees are dying and infested with bark beetles. Drought sparks larger wildfires throughout California 2016-06-07T04:00:00Z

But Europe's last primeval forest is under attack, from bark beetles eating its spruce trees. Under attack from beetles, ancient Polish forest faces chop 2016-06-03T04:00:00Z

And truth, to a demagogue, is a bark beetle to a thick tree. A walk in the dead woods 2016-05-31T04:00:00Z

Poland’s new far right government says logging is needed because more than 10% of spruce trees in the Unesco world heritage site of Białowieża are suffering from a bark beetle outbreak. Last stand for Europe's remaining ancient forest as loggers prepare to move in 2016-05-18T04:00:00Z

They’re already under pressure as their preferred food source, whitebark pine, is under threat from outbreaks of voracious bark beetles—more common now because of warmer temperatures. When Are You Allowed to Kill a Grizzly? 2016-05-03T04:00:00Z

Last month, Poland's Environment Minister Jan Szyszko approved extensive logging in the Bialowieza Forest, in northeastern Poland, saying it was to help fight the spread of bark beetle. Environmental groups lodge a complaint with the European Commission over a Polish government plan for extensive logging in Europe's last primeval forest, saying they were forced to take that step after running out of options in Poland 2016-04-19T04:00:00Z

"The problem is that several years ago there was an outbreak of bark beetle and it got worse," said Anna Malinowska, a spokeswoman for the National Forest Holding. Under attack from beetles, ancient Polish forest faces chop 2016-06-03T04:00:00Z

Environment Minister Jan Szyszko said in March he would approve a tripling in the volume of wood to be harvested because of an infestation of the spruce bark beetle. Activists lobby EU about logging in Poland's ancient forest 2016-04-19T04:00:00Z

A five-year long bark beetle outbreak has infected up to 1 million of the forest’s spruce trees, and forestry officials are adamant that “active” forest management is now needed to save the rest. Last stand for Europe's remaining ancient forest as loggers prepare to move in 2016-05-18T04:00:00Z

The action in the Bialowieza forest is intended to fight the spread of the spruce bark beetle. Poland approves large-scale logging in Europe's last primeval forest 2016-03-25T04:00:00Z

More than 20m acres of forest in the US west has already been affected by bark beetles that thrive in dry, warm conditions. US Forest Service stretched to breaking point after record year for wildfires 2016-02-08T05:00:00Z

Because of meager rainfall, the pines that survived 2013’s Rim Fire — the largest ever recorded in the Sierra Mountains — were too desiccated to produce sap, making them vulnerable to a booming bark beetle population. The Valley Below: San Francisco is keeping Yosemite Valley’s lost twin under water 2016-01-28T05:00:00Z

Also, the state is losing millions of trees to dryness and bark beetle invasions. These 4 Things Need to Happen to End California’s Drought 2016-01-07T05:00:00Z

The administration blames the drought for the infestation of native bark beetles because healthy trees can usually defend against the insects. California declares emergency from massive tree die-off 2015-10-30T04:00:00Z

The fires currently raging across the state -- there are more than a dozen -- will kill some of the trees that bark beetles are feeding on, ending infestations, Smith said. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

In some places, for example, woodpeckers will fly in and feast on bark beetles in dead and dying trees. What Do Wild Animals Do in a Wildfire? 2015-09-14T04:00:00Z

A bark beetle infestation that has killed pine trees in the area has added fuel to an already dehydrated landscape. Towns burn as destructive California wildfire overruns residents 2015-09-13T04:00:00Z

Much of the forest area is steep and plagued with dead trees killed off by pine bark beetles. Hundreds evacuate Kings Canyon National Park as massive fire swells 2015-09-10T04:00:00Z

The pest is a type of bark beetle that lives and feeds in and under the bark of trees. Customs: Beetle at Norfolk port first to be found in US 2015-08-30T04:00:00Z

Call it a vicious cycle: drought, wildfires and bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

By 2006, aerial surveys had found spruce bark beetles had killed mature white spruce trees on 4.4 million acres following mild winters and hot summers. Global warming carving changes into Alaska in fire and ice 2015-08-30T04:00:00Z

Adding to the equation is the damage to trees in the forests from bark beetles. California Editorial Roundup 2015-08-05T04:00:00Z

The bark beetles signal to other beetles to attack the same tree, and the tree succumbs to the infestation. Photographing California's Wildfires 2015-07-03T04:00:00Z

The sawfly outbreak is the latest in multiple insect epidemics in Colorado forests including mountain pine bark beetles and spruce beetles. Sawfly epidemic threaten threatens Colorado ponderosa pines 2015-05-14T04:00:00Z

California's historic drought stresses trees across the state, making them ideal prey for bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

One of the chief problems is the spruce bark beetle, which thrive under warmer conditions. Global warming carving changes into Alaska in fire and ice 2015-08-30T04:00:00Z

The Lake Fire near Big Bear Lake, which started June 17, provided an example of what drought and damage from bark beetles can lead to. California Editorial Roundup 2015-08-05T04:00:00Z

An aerial survey by the US Forest Service in 2015 estimated tree mortality at around 12 million trees throughout the forests here, many probably due to bark beetle kill. Photographing California's Wildfires 2015-07-03T04:00:00Z

Pine bark beetles kill more trees than wildfire every year, regardless of the drought conditions. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z

Read more about California wildfires >> However, the fire will also damage green trees, making them newly susceptible to bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

The mortality of the national forest is further complicated by the invasion of bark beetles, he said. Dry, warm conditions keep California's national forests parched 2015-04-20T04:00:00Z

Rising heat is also increasing the range of destructive pests such as the bark beetle, which is decimating North American pine forests. Community Discussion: Is it too late to save the forests? 2015-03-27T04:00:00Z

Foresters are using such studies to combat, for example, infestations of the Eurasian spruce bark beetle in Slovenia and Poland and chestnut ink disease in the United States and Italy. Sustainability: Five steps for managing Europe's forests 2015-03-24T04:00:00Z

I expect elevated levels of pine mortality to continue as long as the drought continues, especially in areas with current pine bark beetle activity. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z

Smith said that bark beetles are normal in California, but their activity is typically limited and goes unnoticed. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

The result was totally unimaginable: wildfires, bark beetles, a huge reduction in forest growth, massive mortality. The Weekender: Luxury watches, Björk season, and the Ellen Pao trial 2015-03-14T04:00:00Z

In Colorado, an infestation of bark beetles has killed acres of lodgepole and Ponderosa pines, leaving behind a bluish-gray stain in the dead trees. The new moody blues of home decor 2015-03-06T05:00:00Z

Various types of bark beetles, for example, are doing more damage than expected, they said. Climate change affecting North American forests, researchers find 2013-10-14T22:23:07Z

Drought stress is predisposing pines to attack from pine bark beetles. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z

In the San Bernardino forest, bark beetle infestations were considered a factor in deadly fires in 2003. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z

Climate change may be aiding the devastation of bark beetles on forest ecosystems—which in turn is aiding catastrophic wildfires, which is contributing to dangerous floods. 5 things you need to know about Colorado’s 1,000 year flood (with epic photos) 2013-09-17T12:58:00Z

MT: From music to something quite other: bark beetle infestations throughout the Southwest and Northwest, which are devastating whole sylvan ecosystems. Why Insects Sing? A Conversation with David Rothenberg 2013-04-16T04:31:37Z

"When you think of how forests die, they usually die in large events, fires and bark beetle outbreaks," Williams said. U.S. Starts Massive Forest-Thinning Project 2013-03-22T15:45:05.543Z

As the human immune system does, sap fights pathogens, as well as predators like bark beetles. Los Alamos National Laboratory Studies Tree Deaths 2012-12-24T21:46:53Z

Experts say that the old-growth bristlecone pines of the West, some nearly 5,000 years old, will probably be decimated by the spread of a fungal disease in concert with attacks by bark beetles. Green Blog: Mighty Old Trees Are Perishing Fast, Study Warns 2012-12-07T22:57:04Z

Another hazardous pest introduced to the UK by humans is the great spruce bark beetle. 'Biggest ever threat' to UK trees 2012-09-03T15:10:24Z

When he tried the sounds of rival bark beetle species, they started to devour each other! Why Insects Sing? A Conversation with David Rothenberg 2013-04-16T04:31:37Z

A prolonged drought in portions of the western U.S. during the late 1990's and early 2000's, combined with the warming temperatures, weakened trees and made them more susceptible to bark beetle attacks. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z

According to a 1982 estimate, half of all tree deaths in North America were due to bark beetles. Bark beetles, aided by climate change, are devastating U.S. pine forests 2011-12-05T15:18:54Z

Insect Enemies.—The walnut is attacked by the same kinds of insects that infest the hickories, with, perhaps, a few exceptions; as, for instance, the bark beetles and the nut weevils. The Nut Culturist A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United States 2011-11-12T03:00:31.793Z

The Fish and Wildlife Service said Monday that the whitebark pine, devastated by bark beetles and fungus, deserved to be listed as threatened or endangered under the Endangered Species Act. | Washington: No Protection for Pines in Peril 2011-07-18T23:53:24Z

Of the bark pests, the bark beetles are the most destructive. Wood and Forest 2011-03-01T03:00:42.647Z

Forests full of drought-stressed trees, combined with rapidly expanding populations of bark beetles, fueled dramatic increases in the duration, intensity, and extent of tree mortality in these western forests. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z

The killer, active across North American pine forests, is the bark beetle, an insect no bigger than a grain of rice. Bark beetles, aided by climate change, are devastating U.S. pine forests 2011-12-05T15:18:54Z

A pine forest infested by bark beetles, which thrive as winters grow milder and shorter. Green: Climate Change Takes Toll on the Lodgepole Pine 2011-02-28T19:52:16Z

Lodgepole pine trees — 310 of them — killed by a bark beetle that has infested millions of acres of forest in the West. Soaking Up the Sun to Squeeze Bills to Zero 2011-02-14T22:13:01Z

In western North America the mountain pine beetle—the most destructive of the many species collectively known as bark beetles—is on a pine tree–killing spree. Spruce Up: Researchers Pinpoint Genes That Give Pine-Killing Fungus Immunity to Host Tree Defenses 2011-01-26T11:15:00.487Z

Cold winter temperature is a major mortality agent of bark beetles. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z

"We were extremely aggressive in 2010 with our efforts to remove trees killed by the bark beetle to reduce the risk of falling trees to forest visitors and employees," said Tony Dixon, the U.S. Bark beetle infestation grows in Colorado, Wyoming 2011-01-23T22:31:26Z

Pine bark beetles, on the other hand, are a fast killer. Thriving in Harsh Settings, Old Trees May Soon Meet Their Match 2010-09-27T22:47:00Z

The lobby is lined with wood recovered from Colorado pine trees destroyed by a bark beetle infestation that has been unfolding in this part of the country since 1996. For a Premier Lab, a Zero-Energy Showcase 2010-07-06T11:26:00Z

We found pretty amazing results when we would play back the sounds to bark beetles. Researchers, Artist Turn Up Noise to Battle Bugs 2010-02-16T16:13:00Z

The secretary also has asked that reference be made to the hickory bark beetle. Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913

The secretary has also made investigation by correspondence on the hickory bark beetle and the identity of Juglans mandshurica. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911

He had heard enough of the ravages of the bark beetle to know what it might mean if it once secured a strong footing on the Sierras. The Boy With the U. S. Foresters

Where the needles of a pine or spruce turn yellow or red, the presence of bark beetles is shown. The School Book of Forestry

The hickory bark beetle suggests one of the problems which is difficult to handle, and it does not seem that much can be accomplished in a practical way by starting an agitation on the subject. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911

Ranger's cabin where the men gathered to fight the invasion of the bark beetle.Photograph by U. S. The Boy With the U. S. Foresters

Dear Sir:— I am in receipt of your communication of the 16th of March, and have considered carefully the question of what can be done towards the control of the hickory bark beetle. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911

单词	bark beetle
例句	bark beetle Powerful sprayers direct a stream of poison to all parts of the tallest trees, killing directly not only the target organism, the bark beetle, but other insects, including pollinating species and predatory spiders and beetles. Silent Spring 1962-09-27T00:00:00Z The disease is spread from diseased to healthy trees by elm bark beetles. Silent Spring 1962-09-27T00:00:00Z With live-edge wood, you might also see pinholes made by other kinds of insects, such as shothole borers or bark beetles, Potter said. What to do about powder post beetles in furniture 2018-09-07T04:00:00Z Along with lightning strikes, pine bark beetles and old age, wind is among the main causes of felled trees in Congaree. Among the Majestic Trees in Congaree, Slipping Into Silence 2018-07-16T04:00:00Z The nonprofit supports his exploration as it works to combat the effects of bark beetles and blister rust in Western forests. Tree hunters find three of the tallest sugar pines known on Earth 2021-02-03T05:00:00Z Blister rust, an introduced fungal disease, is laying waste to increasingly rare whitebark pines; the invasive banded elm bark beetle is felling elms already weakened by drought or Dutch elm disease. The U.S. Issue: Endangered Species: A Coast-to-Coast Guide to Endangered Species 2011-05-13T20:22:51Z Forest Service; sparks from electrical lines, power tools, automobiles and even arson; and a profusion of native bark beetles feeding on drought- and fire-stressed trees. Heat, Water, Fire: How Climate Change Is Transforming the Pacific Crest Trail 2022-08-31T04:00:00Z Viruses, bacteria, disease-carrying species like mosquitoes and ticks, and pest species like bark beetles are now being pushed far beyond their native ranges. ‘The Sixth Extinction,’ by Elizabeth Kolbert 2014-02-10T18:47:42Z California trees are also dying at a record pace due to drought, wildfires, bark beetle infestation and other threats. U.N. report warns of catastrophic climate tipping points. California is nearing several 2023-10-26T04:00:00Z On other slopes, towering trees were a sickly orange — the telltale sign of a bark beetle infestation. Column: For nearly a century, this camp has hosted city children. Tropical Storm Hilary destroyed it 2023-09-27T04:00:00Z The trees have suffered at least a 70% increase in mortality over the last decade due to severe drought and bark beetle infestations. Damage from Tropical Storm Hilary will keep Death Valley National Park closed for months 2023-09-03T04:00:00Z The dramatic die-offs were largely attributed to drought, disease and insects such as bark beetles, which prey on weakened trees. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z I just got back from a vacation in Colorado, where the Rocky Mountains are full of dead brown pine trees thanks to a years-long bark beetle infestation linked to warmer temperatures. Abcarian: Dying from the heat is not a political statement 2023-07-30T04:00:00Z The elm bark beetle acts as a vector and transmits the disease from tree to tree. Concepts of Biology 2013-04-25T00:00:00Z Drought has enabled western pine bark beetles to kill large swaths of forest. Most of Yosemite Valley is closed due to potentially perilous snowpack and flooding 2023-04-29T04:00:00Z Such a passive word, “deindustrialization” — leaving the impression that it just happened somehow, as if the country got deindustrialization the way a forest gets infested by bark beetles. Why Poverty Persists in America 2023-03-09T05:00:00Z Since 2013, drought and bark beetles have killed thousands of bristlecone pines — considered the oldest trees on Earth — at Telescope Peak in Death Valley National Park. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z Meanwhile, bark beetles often take advantage of weak, stressed trees that can’t defend themselves. How extreme heat scorched Pacific Northwest’s evergreen trees 2023-02-13T05:00:00Z More recently, the trees have proven vulnerable to bark beetles that have killed millions of acres of forest, and climate change that scientists say is responsible for more severe wildfire seasons. Whitebark pine that feeds grizzlies is threatened, U.S. says 2022-12-14T05:00:00Z What’s more, thirsty trees are weaker and more susceptible to deadly attacks from bark beetles, which bore into them and chew away at their inner cores. Nearly a third of southern Sierra forests killed by drought and wildfire in last decade 2022-11-01T04:00:00Z The Pacific Northwest has suffered far bigger diebacks than this but almost exclusively at the hands of an aggressive bark beetle infestation, a fatal disease or deadly fungal infection. Has this iconic Northwest tree reached a tipping point? 2022-10-30T04:00:00Z Ponderosa pines are also suffering from bark beetles and heat-related stress, said Avery Hill, a postdoctoral researcher at the California Academy of Sciences. Millions of California trees are dying; Joshua trees are just the latest victims 2023-08-15T04:00:00Z Sierra Nevada: Devastating bouts of drought, drought-related bark beetle infestations and record-breaking wildfires have killed 30 percent of California’s Sierra Nevada forests, The Sacramento Bee reports. We’ve Updated the California Soundtrack 2022-10-28T04:00:00Z So many of the trees — if they hadn’t been burned off by the Dixie blaze — were done in by bark beetles, resulting in orange landscapes of dead trees. Chase Cascade lava on a Volcanic Legacy Scenic Byway road trip 2022-09-16T04:00:00Z Deprived of water, many trees are unable to produce the sap necessary to trap and kill attacking bark beetles. As forests go up in smoke, so will California's climate plan 2022-08-29T04:00:00Z Parched brush and grass helped spread flames into stands of dense timber littered with conifers that had been killed by drought and bark beetles, Freeman said. Two California fires in the Sierra Nevada have very different outcomes. Why? 2022-07-30T04:00:00Z There flames have overtaken conifers killed by drought and bark beetle infestations causing crown fires, where the blaze burns through the top layer of foliage on a tree. Firefighters face punishing weather conditions in battle against raging fire near Yosemite 2022-07-24T04:00:00Z Flames chewed through parched grass, brush and woodland oak, advancing into timber stands littered with conifers killed by both drought and bark beetle infestations, to which drought-weakened trees are more susceptible, fire officials said. Explosive fire near Yosemite is California's largest this year, forcing thousands to flee 2022-07-23T04:00:00Z Heat and drought have also stoked fires by killing trees, both directly and by making them more vulnerable to bark beetle infestations. California forests are vanishing as wildfires burn larger and more intensely 2022-07-20T04:00:00Z High temperatures, degraded ecosystem health, and bark beetle infestations have killed millions of trees in Yosemite alone. Why fighting fire with fire might actually save Yosemite's giant sequoias 2022-07-19T04:00:00Z With climate change, fungal tree diseases spread by bark beetles are destroying conifer forests throughout North America. Review \| Our planet is covered in fungus — and that’s a good thing 2022-07-15T04:00:00Z And then that stress exacerbates these other stressors that are coming into the environment: For example, the fact that we now see these bark beetle populations exploding. Meet the Giant Sequoia, the ‘Super Tree’ Built to Withstand Fire 2022-07-15T04:00:00Z The downed trees, in addition to massive numbers of pines killed by bark beetles, provided ample fuel for the flames. Yosemite wildfire grows, but giant sequoias remain protected 2022-07-12T04:00:00Z Trees destroyed by bark beetles, killed by climate-change-induced drought and felled by a major windstorm serve as fuel for flames. Yosemite wildfire doubles in size, threatens over 500 giant sequoias 2022-07-09T04:00:00Z Yet since 2015, intense wildfires have leveled a heavy blow to many populations that bark beetles have already weakened. Why fighting fire with fire might actually save Yosemite's giant sequoias 2022-07-19T04:00:00Z But they said that parts of the grove still have dense concentrations of dead plant material due to bark beetle kills that have plagued the Sierra Nevada. Yosemite fire threatening historic sequoias first protected by Abraham Lincoln 2022-07-10T04:00:00Z The downed trees, along with massive numbers of pines killed by bark beetles, provided ample fuel for the flames. Yosemite fire grows as crews protect iconic sequoias 2022-07-10T04:00:00Z At the same time, she said, parts of the grove still have dense concentrations of dead plant material due to bark beetle kills that have plagued the Sierra Nevada. Out-of-control Yosemite fire threatens iconic giant sequoias in Mariposa Grove 2022-07-09T04:00:00Z The downed trees, along with massive numbers of pines killed by bark beetles, provided ample fuel for the flames, but winds Friday were calm and the fire was not spreading rapidly. Wildfire grows near famed Yosemite grove of sequoia trees 2022-07-08T04:00:00Z Extreme drought and bark beetles now threaten California’s Ancient Bristlecone Pine Forest, home to Methuselah, a 4,853-year-old bristlecone pine. Extreme heat, drought will permanently scar California and its social fabric 2022-06-30T04:00:00Z Hotter droughts and bark beetles are for the first time in recorded history killing bristlecones, according to a recent study published in the scientific journal Forest Ecology and Management. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z The carnage is the result of devastating drought that weakened trees, leaving them more susceptible to attack from bark beetles. What you’re seeing in Google’s Earth Day Doodle 2022-04-22T04:00:00Z Vegetation is desiccated, and forests are vulnerable to pests, such as bark beetles, making fire seasons year-round affairs, not merely a threat during seasonal periods of dry offshore Santa Ana winds. California drought, Australia floods: Two sides of La Niña amplified by climate change 2022-03-03T05:00:00Z And mature Douglas firs planted decades ago at Burgholz are losing their needles, Gärtner says; some have even been attacked by bark beetles. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z Drought also has directly contributed to the sequoias’ decline, weakening their defenses and making them susceptible to incursions from bark beetles, another scourge to which they’ve historically been immune. 'There is nothing alive on that tree': Inside a giant sequoia grove scorched by the KNP Complex fire 2021-11-26T05:00:00Z In the meantime, the daunting task of keeping an eye out for bark beetle attacks in public lands belongs to forest pathologists like MacKenzie. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z In Germany, for example, changes in the spectral signatures of spruce forests coincided with a wave of dying trees infected by an invasive spruce bark beetle. Satellites offer new ways to study ecosystems—and maybe even save them 2021-11-17T05:00:00Z The bark of gray, dead, towering trees is punctured by tiny pinpricks: traces of the European spruce bark beetle. On a Pacific Island, Russia Tests Its Battle Plan for Climate Change 2021-10-19T04:00:00Z The water-starved spruces could no longer produce the tough gooey resin that helps protect them against insects, leaving them open to attack by bark beetles, which normally feed on dead or dying trees. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z The dense trees became susceptible to disease — bark beetles in a drought — and nearly 170 million now are dead, creating hot-burning fire fuel. Column: As California continues to burn, politicians must have their feet held to the fire 2021-10-18T04:00:00Z For thousands of years, bark beetles were held in check or eliminated by the harsh conditions of the stony, storm-battered mountain crests where the grotesque, twisted trees have evolved an arsenal of survival strategies. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z An infestation of bark beetles a few years ago killed a large number of drought-weakened trees, felling them and strewing their parched carcasses on the ground. Strong winds fanning Windy, KNP Complex fires as they burn through southern Sierra Nevada 2021-09-28T04:00:00Z Pacific typhoons have increasingly been hitting farther north, reaching Sakhalin, where they knock over huge swaths of trees that, lacking live trees’ natural defenses, become fodder for bark beetles. On a Pacific Island, Russia Tests Its Battle Plan for Climate Change 2021-10-19T04:00:00Z Here, waves of bark beetles have killed more than 10,000 hectares of spruce stands. Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z Drought-stricken trees damaged by bark beetles are fueling the blaze, officials said. Wildfires rage in Sequoia National Park, threatening groves of giant trees, forcing closures 2021-09-13T04:00:00Z But in hot, drought-stricken mixed forests, bark beetles first land on nearby limber and pinion pines, generating new broods that can attack bristlecones, overwhelming their defense systems. Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z May 14, 2021: “Spruce bark beetles are still the No. 1 subject of questions I get, and I get lots.” He Wrote a Gardening Column. He Ended Up Documenting Climate Change. 2021-07-28T04:00:00Z Dutch Elm Disease is a fungal infection spread by tiny bark beetles. Disease killing 'Europe's oldest' elm tree 2021-07-29T04:00:00Z If the park had simply cleared and replanted, he says, “then in 60 years you would again have a forest that’s as interesting for the bark beetle as for the spruce forester.” Germany’s trees are dying. A fierce debate has broken out over how to respond 2021-12-02T05:00:00Z Drought stress also weakens trees, leaving them susceptible to bark beetle infestations. Trees are dying of thirst in the Western drought 2021-07-11T04:00:00Z In an interview, Millar recalled what she described as “a sense of shock when I first came upon hundreds of bristlecones killed by bark beetles on the highest slopes of Telescope Peak in Death Valley.” Drought and bark beetles are killing the oldest trees on Earth. Can they be saved? 2022-06-27T04:00:00Z That was compounded by a drought that killed scores of pines and firs from 2012 to 2016, both directly and as a result of fatal bark beetle infestations. As wildfires decimate the giant sequoia, California faces unprecedented loss 2021-06-05T04:00:00Z A lot of bark beetles were found east of Santa Fe, and they expand from there, he said. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z The government says logging is needed to clear paths and protect trees from an infestation of spruce bark beetle. Bialowieza: Poland to resume logging in primeval forest 2021-03-09T05:00:00Z According to Reuters, bark beetles infested around 18 million cubic meters of timber there in 2018 — around 10 times the amount typically seen in previous years. European Forests Have Become More Vulnerable to Insect Outbreaks 2021-02-24T05:00:00Z The nonprofit supports his exploration as it works to combat the effects of bark beetles and blister rust in western forests. 3 Sierra sugar pines added to list of 6 biggest in world 2021-01-31T05:00:00Z Stephenson’s research suggests that the combination of the drought, the bark beetle infestation, and fires fueled by drought-killed trees made this season’s burns worse and anticipates more unintended feedback loops to emerge in the future. California’s sequoias and redwoods can survive climate change—if we help them 2021-01-06T05:00:00Z “Our prediction for this year is that we will likely see an uptick in the amount of bark beetles - probably most apparent in the piñon woodlands,” said Andrew Graves, head entomologist for the U.S. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z In the Sierra, bark beetles feasted on drought-stressed conifers, adding millions of dead trees to forests already overloaded with fuel. Op-Ed: The Golden State treescape wasn't made to last 2020-11-01T04:00:00Z While there are thousands of species of bark beetles all over the world, many of them share a common life cycle. European Forests Have Become More Vulnerable to Insect Outbreaks 2021-02-24T05:00:00Z Crucially for Western forests, hard freezes kill larvae before they develop into mature bark beetles. ‘This season is off the charts’: Colorado fights the worst wildfires in its recent history 2020-10-30T04:00:00Z A rare August dry lightning siege over much of Central and Northern California ignited some 650 blazes, many in areas where trees were abnormally dry or dead from drought and bark beetle infestation. Along California's ring of fire, residents face decades of danger, destruction 2020-10-24T04:00:00Z “It’s just too many trees to spray … before the bark beetles come out,” Graves said. Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z They also didn’t include the invasion of bark beetles that killed hundreds of thousands of trees, making them more flammable, he said. California’s Mega-Fires Have Arrived 30 Years Early 2020-10-20T04:00:00Z A third told me about ponderosa pines killed by bark beetles but not yet cut down. California will keep burning. But housing policy is making it worse 2020-10-11T04:00:00Z California was turned into a tinderbox of dead trees after a five-year drought and a bark beetle epidemic that killed 150 million trees, the largest die-off in modern history. California wildfires are huge this year, but not deadliest 2020-10-05T04:00:00Z California was turned into a tinderbox of dead trees after a five-year drought and a bark beetle epidemic that killed 150 million trees, the largest die-off in modern history. California wildfires are huge this year, but not deadliest 2020-10-06T04:00:00Z “Consequently, if these conditions remain similar in 2021 then tree death may increase in direct response to drought and warming or indirectly by being more attractive and susceptible to bark beetle attack.” Report: Drought leaves New Mexico trees weak and dying 2021-04-24T04:00:00Z Like too many chickens in a coop, the dense trees became susceptible to disease — bark beetle havens in a drought — and 163 million now are dead, creating hot-burning fire fuel. Column: To study wildfire prevention, Berkeley experts are looking to Baja. Newsom should too 2020-09-21T04:00:00Z A drought-induced infestation of bark beetles killed 150 million trees alone in California, creating huge swaths of easily flammable material. Explainer: How this year's destructive U.S. West wildfire season came to be 2020-09-15T04:00:00Z It is burning in the Sierra National Forest, an epicenter of the bark beetle attacks that killed nearly 150 million drought-stressed trees during the last decade. 150 million dead trees could fuel unprecedented firestorms in the Sierra Nevada 2020-09-13T04:00:00Z The fire ripped through timber made more flammable by the bark beetle infestation, cutting across Highway 168, the main road between Shaver and Huntington lakes. Daring escapes, wrenching devastation as 'the fire is blowing up everywhere' 2020-09-09T04:00:00Z The fire, fueled by dense patches of overgrown pines and tree trunks killed by bark beetles and drought, doubled in size within the Sierra National Forest to about 135,000 acres overnight. Much of the American West is on fire, illustrating the dangers of a climate of extremes 2020-09-08T04:00:00Z Drier conditions are also stressing trees in Colorado and the other Four Corners states, making them more prone to bark beetle infestations. ‘Wake-up call’: wildfires tear through drought-plagued US south-west 2020-08-26T04:00:00Z In practice, though, “something always comes along” and interrupts, whether that’s a windstorm, a logging harvester or a swarm of bark beetles, he said. Can Trees Live Forever? New Kindling for an Immortal Debate 2020-07-27T04:00:00Z The elimination of indigenous fire practices, logging of the biggest and most fire-resistant trees and fire suppression produced an overgrown forest vulnerable to bark beetle attacks during the severe California drought of 2012-16. 150 million dead trees could fuel unprecedented firestorms in the Sierra Nevada 2020-09-13T04:00:00Z “The Forest Service has worked heroically to remove dead trees from the bark beetle,” said Donnelly. Daring escapes, wrenching devastation as 'the fire is blowing up everywhere' 2020-09-09T04:00:00Z Gonzalez says that climate change has also been altering the park through droughts, bark beetle infestations and wildfires. 'It's a photo orgy': is Yosemite's rare firefall too beautiful for its own good? 2020-02-17T05:00:00Z Stressed trees, Simeral said, “can be a trigger to the bark beetle to basically kill the trees”. ‘Wake-up call’: wildfires tear through drought-plagued US south-west 2020-08-26T04:00:00Z There was a decline in tree mortality in 2019 due to bark beetles compared to 2018, but “large epidemics of spruce beetle and roundheaded/western pine beetles in Colorado continue to expand,” the report said. Colorado snowpack decreased beetle impact on trees 2020-02-05T05:00:00Z But all that changed with startling speed because of the Dutch elm fungus, spread by bark beetles, beginning in Ohio in the 1930s. Clones help famous elm tree named Herbie live on, for now 2020-01-19T05:00:00Z Stephenson emphasises that there is still further research to do on how bark beetles are killing giant sequoias but he is clear on one thing. 'This is not how sequoias die. It’s supposed to stand for another 500 years' 2020-01-18T05:00:00Z But drought, bark beetles and climate change have ravaged this beloved conifer, whose population was already diminished by logging, development and other human activities. In the Sierra, scientists bet on 'survivor' trees to withstand drought and climate change 2019-11-18T05:00:00Z Forest Service is providing funds to the state to help address an accelerating spread of spruce bark beetles. Federal money announced to fight Alaska spruce bark beetles 2019-05-19T04:00:00Z Over half of forests in the Czech Republic are made up of Norwegian spruce that is host to the European spruce bark beetle. Climate change to blame as bark beetles ravage central Europe's... 2019-04-26T04:00:00Z Campgrounds south of Denali National Park will be closed after spruce bark beetles ate through trees, killing them. Beetles create risk of falling trees at 2 Alaska campgrounds 2019-04-10T04:00:00Z Ryan also cautioned that mosquitoes, ticks, bark beetles, and invasive fungus threaten animals and plants as well as human health, and climate change is making many of them worse. Climate change could push tropical diseases to Alaska, according to a new study 2019-04-07T04:00:00Z Multiple species of bark beetles were by then ravaging forests across the North American West. Biological annihilation: A planet in loss mode 2018-12-17T05:00:00Z A generations-old policy of fire suppression and reduced timber harvests caused stressed, overstocked forests that were unable to fend off mountain pine beetles and spruce bark beetles. Vast forests of dead or stressed trees prompt new federal approach to restoration out West 2018-12-06T05:00:00Z While the bark beetle is natural to conifer forests and has a role in their ecosystem, climate change has helped it spread especially through single-variety spruce woods planted over the past two centuries. Climate change to blame as bark beetles ravage central Europe's... 2019-04-26T04:00:00Z Between 2010 and 2017, drought and bark beetle infestation contributed to the death of 129 million trees in the Sierra Nevada, increasing the risks of wildfires in the region, according to the U.S. Explainer: Blame climate, but crowded forests also fuel California... 2018-11-14T05:00:00Z In Yellowstone national park, trees are dying because bark beetles are thriving in warmer winters. Vanishing Joshua trees: climate change will ravage US national parks, study says 2018-09-25T04:00:00Z Researchers believe that the hundreds of millions of trees killed by bark beetles in the West — an estimated 129 million in California alone — will cause even more severe fires as they collapse. Fierce and Unpredictable: How Wildfires Became Infernos 2018-08-13T04:00:00Z In the mountains, drought damage has been augmented by bark beetle infestations that have left more than 100 million trees dead on their roots in California alone. Editorial Roundup: Excerpts from recent editorials 2018-08-01T04:00:00Z Where the flames are more easily accessible, crews are battling the blaze among groves of dead standing timber destroyed by an epic bark beetle infestation and years of drought, Mackensen said. Ferguson fire is burning in 'some of the most unforgiving topography in the central Sierra,' Forest Service says 2018-07-23T04:00:00Z In the southwest, bark beetles have killed billions of conifers now providing fuel for infernos. Explainer: Drought creates a perfect storm for wildfires in U.S. West 2018-07-12T04:00:00Z The controversial logging was ordered by the previous minister, who argued it was to stop a bark beetle infestation. Poland ready to end extensive logging in pristine old forest 2018-05-15T04:00:00Z The ruling goes against the government’s insistence, that the extensive logging was a necessary step in the fight against the spread of the bark beetle. Polish court acquits protesters of logging in old forest 2018-05-11T04:00:00Z In 2016, Jan Szyszko, then the minister for the environment, approved a tripling of logging, saying that it was necessary to fight an outbreak of spruce bark beetles. European court backs opponents of logging in primeval Polish forest 2018-02-20T05:00:00Z In 2016, the previous minister authorized massive logging in the forest, saying he was fighting an outbreak of bark beetle infestation. EU advocate says Poland broke law by logging in forest 2018-02-20T05:00:00Z An onslaught of bark beetles is threatening to decimate the mighty pine forests of Belarus. Beetles threaten Belarus pine forests 2018-02-01T05:00:00Z Big Pine itself was killed by bark beetles. Big Pine is dead; Oregon campground’s fate up in the air 2018-01-29T05:00:00Z Climate change, the bark beetle, farming, and the demand for lumber and firewood, are all taking their toll on the forest. A Billion-Dollar Investment in New York’s Water 2018-01-18T05:00:00Z Scientists tell the Arizona Daily Sun that without enough winter moisture, the trees will be more susceptible to bark beetles and disease, all of which lead to tree mortality. Dry winter could stress Arizona’s ponderosa pines 2017-12-25T05:00:00Z Still Morawiecki echoed his party’s line that the logging is meant to fight a bark beetle outbreak. New Polish PM debuts at summit, seeks better ties with EU 2017-12-14T05:00:00Z The Peninsula Clarion reported Tuesday that the region’s last outbreak of spruce bark beetles was in the late 1990s. Alaska suffers resurgence of beetle that causes tree deaths 2017-12-07T05:00:00Z “Our money is not in cutting trees,” Droń says as he pours a craft beer named after the bark beetle and brewed with spruce needles from Białowieża. Beetles are ravaging Europe’s oldest forest. Is logging the answer? 2017-12-05T05:00:00Z The Polish government maintains that it always behaves lawfully and that logging in Białowieża is necessary to staunch a spruce bark beetle outbreak. Poland faces €100,000-a-day fines over illegal logging in Białowieża forest 2017-11-21T05:00:00Z In a controversial decision last year, it approved a threefold increase in logging to combat spruce bark beetle. EU warns Poland of huge fine over forest 2017-11-21T05:00:00Z For example, woodpeckers will fly in to feast on bark beetles in dead and dying trees, and leave when the beetles are gone. Wildfires: How They Form, And Why They're So Dangerous 2017-10-11T04:00:00Z The agency estimates roughly 20 percent of the standing dead trees in 2015 were killed by bark beetles. State-by-state look at standing dead trees in Western US 2017-09-07T04:00:00Z The Coronado National Forest says it plans to treat 300 acres of Douglas fir trees with a product that repels bark beetles. Southern Arizona forest plans to ward off tree-killing pests 2017-08-30T04:00:00Z “Like a phoenix, once majestic ponderosa pine trees, destroyed by drought and bark beetles, will obtain new life in the temple at Burning Man,” the utility company said in a statement. Dead Sierra Nevada trees rise again in Burning Man temple in Black Rock Desert 2017-08-24T04:00:00Z The Polish government responded by saying logging was necessary to protect the forest from an infestation of bark beetle. Poland storms kill six, destroy tens of thousands of trees - BBC News 2017-08-17T04:00:00Z Szyszko said the logging is meant to save the woods from an infestation of bark beetle. EU court orders Poland to halt logging in ancient forest 2017-07-28T04:00:00Z Officials said the fire also was burning in an area where there are many dead trees, killed by bark beetles and years of drought. 'An insane amount of heat' as fire near Yosemite National Park moves with frightening speed 2017-07-19T04:00:00Z Polish officials argue that logging protects the forest from a violent infestation of bark beetles. In Poland, a Battle for the Fate of Europe’s Last Ancient Forest 2017-07-11T04:00:00Z Revelers attending Burning Man next week will help California dispose of trees killed by a bark beetle infestation in the Sierra Nevada. Dead Sierra Nevada trees rise again in Burning Man temple in Black Rock Desert 2017-08-24T04:00:00Z In addition, the drought fueled a bark beetle population that has tens of millions of trees in the state's Sierra Nevada forests, where snow still tops the mountains. California's Drought Is Over. But This Wildfire Season Will Still Be Severe 2017-06-29T04:00:00Z But Noel says the lawsuit in the early 1990s delayed a Forest Service plan to get rid of an emerging cluster of bark beetles before it spread. Utah Republican Blames 'Tree Huggers' for Raging Wildfire 2017-06-28T04:00:00Z Despite a green landscape, the drought and a devastating Sierra Nevada bark beetle infestation that’s killed more than 100 million trees means the threat of a wildfire hasn’t really diminished, she said. As heat persists, California wildfire threat grows 2017-06-21T04:00:00Z Conservationists also point to the protected reserve in the Białowieża national park, which is surviving the same bark beetle outbreak without logging. 'My worst nightmares are coming true': Europe's last primeval forest on 'brink of collapse' 2017-05-23T04:00:00Z “The bark beetle and its natural enemies spend most of their life cycle under the bark of trees,” said Larry Haimowitz, who is working on a master’s degree. Student developing new pine beetle predators study methods 2017-05-03T04:00:00Z State and federal officials will be monitoring and surveying the camp areas and disposal sites this summer for pests such as emerald ash borer, gypsy moths and bark beetles. Protest camp areas to be monitored for invasive pests 2017-04-23T04:00:00Z The drought stressed forests, leaving trees more susceptible to pests such as the bark beetle. Dry fields, lost lawns: A look back at California’s drought 2017-04-07T04:00:00Z “We’re in crisis right now because any organism that’s under stress is less able to deal with stress, and all of our pine beetles, bark beetles are stressors to trees,” Loewenstein said. Experts worried about pine beetle outbreak in Alabama 2017-03-14T04:00:00Z Eastern ash bark beetle was the most common, accounting for 85 percent of the total. Study: Invasive bugs found in fallen trees years after storm 2017-02-11T05:00:00Z Thick patches of smaller Douglas fir are overcrowding the legacy pines, allowing bark beetles to run roughshod on the old trunks and helping nasty root-rot diseases creep through the soil. Thinning project pitched to save big pines in Oregon forest 2016-12-05T05:00:00Z Geological Survey bird specialist, was sure the cause of avian keratin disorder would be found quickly: contaminated birdseed, a poison targeting spruce bark beetles, maybe some sort of bacterium or fungus. Researchers link virus to Alaska birds with deformed beaks 2016-10-25T04:00:00Z Record high temperatures and bark beetles have fueled the fire risk. California Editorial Roundup 2016-10-19T04:00:00Z Wohlleben concludes his book with an evocative description of the transformation of a conifer plantation that begins with the arrival of tiny bark beetles and ends with an ancient forest 500 years later. The subtle communication skills of trees 2016-10-05T04:00:00Z No longer kept in check by winter’s freeze, bark beetle populations are growing. Like Tens of Millions of Matchsticks, California’s Dead Trees Stand Ready to Burn 2016-08-29T04:00:00Z Over time, the disease will weaken the tree, welcoming bark beetles. Dwarf mistletoe and bark beetles attack Bogus Basin 2016-09-17T04:00:00Z The dependence on corps crews has occurred as the California drought drags into its fifth year and millions of trees have been killed by bark beetles, Saito said. California turns to civilians as inmate firefighters dwindle 2016-09-12T04:00:00Z Many of the trees stressed by those storms were then made more susceptible to insects such as bark beetles, the department wrote in a report analyzing the state’s forest conditions in 2014. New Orleans green spaces experiencing post-Katrina comeback 2016-09-03T04:00:00Z Firefighters worked on keeping the flames from moving east and into drought-stricken woodlands, besieged by a bark beetle invasion, Tolmachoff said. Deadly 51,000-acre wildfire near Big Sur spreads into footprint of massive 2008 Basin Complex fire 2016-08-04T04:00:00Z The fire was burning a number of dead trees devastated by California's four-year drought and a severe bark beetle infestation. Wildfires trigger more evacuations in the West 2016-07-02T04:00:00Z Meanwhile, five years of drought, heat and bark beetles have left roughly 66 million dead trees in the Sierra Nevada, ready to ignite. California Today: Wildfires, Earlier Than Ever 2016-06-27T04:00:00Z The trees are dying due to a lethal combination of drought, heat and voracious bark beetles, heightening the already serious danger of big brush fires. Massive, fast-moving fire devours dozens of homes in Kern County 2016-06-24T04:00:00Z Forest Service announced Wednesday, June 22, 2016, that the number of trees in California's Sierra Nevada forests killed by drought and a bark beetle epidemic has dramatically increased since last year. Feds: Drought kills 66 million trees in California's Sierra 2016-06-22T04:00:00Z The largest fire risk is in the Sierra Nevada foothills where 29 million trees are dying and infested with bark beetles. Drought sparks larger wildfires throughout California 2016-06-07T04:00:00Z But Europe's last primeval forest is under attack, from bark beetles eating its spruce trees. Under attack from beetles, ancient Polish forest faces chop 2016-06-03T04:00:00Z And truth, to a demagogue, is a bark beetle to a thick tree. A walk in the dead woods 2016-05-31T04:00:00Z Poland’s new far right government says logging is needed because more than 10% of spruce trees in the Unesco world heritage site of Białowieża are suffering from a bark beetle outbreak. Last stand for Europe's remaining ancient forest as loggers prepare to move in 2016-05-18T04:00:00Z They’re already under pressure as their preferred food source, whitebark pine, is under threat from outbreaks of voracious bark beetles—more common now because of warmer temperatures. When Are You Allowed to Kill a Grizzly? 2016-05-03T04:00:00Z Last month, Poland's Environment Minister Jan Szyszko approved extensive logging in the Bialowieza Forest, in northeastern Poland, saying it was to help fight the spread of bark beetle. Environmental groups lodge a complaint with the European Commission over a Polish government plan for extensive logging in Europe's last primeval forest, saying they were forced to take that step after running out of options in Poland 2016-04-19T04:00:00Z "The problem is that several years ago there was an outbreak of bark beetle and it got worse," said Anna Malinowska, a spokeswoman for the National Forest Holding. Under attack from beetles, ancient Polish forest faces chop 2016-06-03T04:00:00Z Environment Minister Jan Szyszko said in March he would approve a tripling in the volume of wood to be harvested because of an infestation of the spruce bark beetle. Activists lobby EU about logging in Poland's ancient forest 2016-04-19T04:00:00Z A five-year long bark beetle outbreak has infected up to 1 million of the forest’s spruce trees, and forestry officials are adamant that “active” forest management is now needed to save the rest. Last stand for Europe's remaining ancient forest as loggers prepare to move in 2016-05-18T04:00:00Z The action in the Bialowieza forest is intended to fight the spread of the spruce bark beetle. Poland approves large-scale logging in Europe's last primeval forest 2016-03-25T04:00:00Z More than 20m acres of forest in the US west has already been affected by bark beetles that thrive in dry, warm conditions. US Forest Service stretched to breaking point after record year for wildfires 2016-02-08T05:00:00Z Because of meager rainfall, the pines that survived 2013’s Rim Fire — the largest ever recorded in the Sierra Mountains — were too desiccated to produce sap, making them vulnerable to a booming bark beetle population. The Valley Below: San Francisco is keeping Yosemite Valley’s lost twin under water 2016-01-28T05:00:00Z Also, the state is losing millions of trees to dryness and bark beetle invasions. These 4 Things Need to Happen to End California’s Drought 2016-01-07T05:00:00Z The administration blames the drought for the infestation of native bark beetles because healthy trees can usually defend against the insects. California declares emergency from massive tree die-off 2015-10-30T04:00:00Z The fires currently raging across the state -- there are more than a dozen -- will kill some of the trees that bark beetles are feeding on, ending infestations, Smith said. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z In some places, for example, woodpeckers will fly in and feast on bark beetles in dead and dying trees. What Do Wild Animals Do in a Wildfire? 2015-09-14T04:00:00Z A bark beetle infestation that has killed pine trees in the area has added fuel to an already dehydrated landscape. Towns burn as destructive California wildfire overruns residents 2015-09-13T04:00:00Z Much of the forest area is steep and plagued with dead trees killed off by pine bark beetles. Hundreds evacuate Kings Canyon National Park as massive fire swells 2015-09-10T04:00:00Z The pest is a type of bark beetle that lives and feeds in and under the bark of trees. Customs: Beetle at Norfolk port first to be found in US 2015-08-30T04:00:00Z Call it a vicious cycle: drought, wildfires and bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z By 2006, aerial surveys had found spruce bark beetles had killed mature white spruce trees on 4.4 million acres following mild winters and hot summers. Global warming carving changes into Alaska in fire and ice 2015-08-30T04:00:00Z Adding to the equation is the damage to trees in the forests from bark beetles. California Editorial Roundup 2015-08-05T04:00:00Z The bark beetles signal to other beetles to attack the same tree, and the tree succumbs to the infestation. Photographing California's Wildfires 2015-07-03T04:00:00Z The sawfly outbreak is the latest in multiple insect epidemics in Colorado forests including mountain pine bark beetles and spruce beetles. Sawfly epidemic threaten threatens Colorado ponderosa pines 2015-05-14T04:00:00Z California's historic drought stresses trees across the state, making them ideal prey for bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z One of the chief problems is the spruce bark beetle, which thrive under warmer conditions. Global warming carving changes into Alaska in fire and ice 2015-08-30T04:00:00Z The Lake Fire near Big Bear Lake, which started June 17, provided an example of what drought and damage from bark beetles can lead to. California Editorial Roundup 2015-08-05T04:00:00Z An aerial survey by the US Forest Service in 2015 estimated tree mortality at around 12 million trees throughout the forests here, many probably due to bark beetle kill. Photographing California's Wildfires 2015-07-03T04:00:00Z Pine bark beetles kill more trees than wildfire every year, regardless of the drought conditions. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z Read more about California wildfires >> However, the fire will also damage green trees, making them newly susceptible to bark beetles. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z The mortality of the national forest is further complicated by the invasion of bark beetles, he said. Dry, warm conditions keep California's national forests parched 2015-04-20T04:00:00Z Rising heat is also increasing the range of destructive pests such as the bark beetle, which is decimating North American pine forests. Community Discussion: Is it too late to save the forests? 2015-03-27T04:00:00Z Foresters are using such studies to combat, for example, infestations of the Eurasian spruce bark beetle in Slovenia and Poland and chestnut ink disease in the United States and Italy. Sustainability: Five steps for managing Europe's forests 2015-03-24T04:00:00Z I expect elevated levels of pine mortality to continue as long as the drought continues, especially in areas with current pine bark beetle activity. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z Smith said that bark beetles are normal in California, but their activity is typically limited and goes unnoticed. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z The result was totally unimaginable: wildfires, bark beetles, a huge reduction in forest growth, massive mortality. The Weekender: Luxury watches, Björk season, and the Ellen Pao trial 2015-03-14T04:00:00Z In Colorado, an infestation of bark beetles has killed acres of lodgepole and Ponderosa pines, leaving behind a bluish-gray stain in the dead trees. The new moody blues of home decor 2015-03-06T05:00:00Z Various types of bark beetles, for example, are doing more damage than expected, they said. Climate change affecting North American forests, researchers find 2013-10-14T22:23:07Z Drought stress is predisposing pines to attack from pine bark beetles. Die-off of millions of California trees concentrated in Sierra Nevada 2015-05-06T04:00:00Z In the San Bernardino forest, bark beetle infestations were considered a factor in deadly fires in 2003. Meet the insect that helped fuel Northern California's Valley fire destruction 2015-09-14T04:00:00Z Climate change may be aiding the devastation of bark beetles on forest ecosystems—which in turn is aiding catastrophic wildfires, which is contributing to dangerous floods. 5 things you need to know about Colorado’s 1,000 year flood (with epic photos) 2013-09-17T12:58:00Z MT: From music to something quite other: bark beetle infestations throughout the Southwest and Northwest, which are devastating whole sylvan ecosystems. Why Insects Sing? A Conversation with David Rothenberg 2013-04-16T04:31:37Z "When you think of how forests die, they usually die in large events, fires and bark beetle outbreaks," Williams said. U.S. Starts Massive Forest-Thinning Project 2013-03-22T15:45:05.543Z As the human immune system does, sap fights pathogens, as well as predators like bark beetles. Los Alamos National Laboratory Studies Tree Deaths 2012-12-24T21:46:53Z Experts say that the old-growth bristlecone pines of the West, some nearly 5,000 years old, will probably be decimated by the spread of a fungal disease in concert with attacks by bark beetles. Green Blog: Mighty Old Trees Are Perishing Fast, Study Warns 2012-12-07T22:57:04Z Another hazardous pest introduced to the UK by humans is the great spruce bark beetle. 'Biggest ever threat' to UK trees 2012-09-03T15:10:24Z When he tried the sounds of rival bark beetle species, they started to devour each other! Why Insects Sing? A Conversation with David Rothenberg 2013-04-16T04:31:37Z A prolonged drought in portions of the western U.S. during the late 1990's and early 2000's, combined with the warming temperatures, weakened trees and made them more susceptible to bark beetle attacks. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z According to a 1982 estimate, half of all tree deaths in North America were due to bark beetles. Bark beetles, aided by climate change, are devastating U.S. pine forests 2011-12-05T15:18:54Z Insect Enemies.—The walnut is attacked by the same kinds of insects that infest the hickories, with, perhaps, a few exceptions; as, for instance, the bark beetles and the nut weevils. The Nut Culturist A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United States 2011-11-12T03:00:31.793Z The Fish and Wildlife Service said Monday that the whitebark pine, devastated by bark beetles and fungus, deserved to be listed as threatened or endangered under the Endangered Species Act. \| Washington: No Protection for Pines in Peril 2011-07-18T23:53:24Z Of the bark pests, the bark beetles are the most destructive. Wood and Forest 2011-03-01T03:00:42.647Z Forests full of drought-stressed trees, combined with rapidly expanding populations of bark beetles, fueled dramatic increases in the duration, intensity, and extent of tree mortality in these western forests. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z The killer, active across North American pine forests, is the bark beetle, an insect no bigger than a grain of rice. Bark beetles, aided by climate change, are devastating U.S. pine forests 2011-12-05T15:18:54Z A pine forest infested by bark beetles, which thrive as winters grow milder and shorter. Green: Climate Change Takes Toll on the Lodgepole Pine 2011-02-28T19:52:16Z Lodgepole pine trees — 310 of them — killed by a bark beetle that has infested millions of acres of forest in the West. Soaking Up the Sun to Squeeze Bills to Zero 2011-02-14T22:13:01Z In western North America the mountain pine beetle—the most destructive of the many species collectively known as bark beetles—is on a pine tree–killing spree. Spruce Up: Researchers Pinpoint Genes That Give Pine-Killing Fungus Immunity to Host Tree Defenses 2011-01-26T11:15:00.487Z Cold winter temperature is a major mortality agent of bark beetles. Dot Earth Blog: 'Blame-ologists' and the Colorado Fires 2012-07-07T14:34:51Z "We were extremely aggressive in 2010 with our efforts to remove trees killed by the bark beetle to reduce the risk of falling trees to forest visitors and employees," said Tony Dixon, the U.S. Bark beetle infestation grows in Colorado, Wyoming 2011-01-23T22:31:26Z Pine bark beetles, on the other hand, are a fast killer. Thriving in Harsh Settings, Old Trees May Soon Meet Their Match 2010-09-27T22:47:00Z The lobby is lined with wood recovered from Colorado pine trees destroyed by a bark beetle infestation that has been unfolding in this part of the country since 1996. For a Premier Lab, a Zero-Energy Showcase 2010-07-06T11:26:00Z We found pretty amazing results when we would play back the sounds to bark beetles. Researchers, Artist Turn Up Noise to Battle Bugs 2010-02-16T16:13:00Z The secretary also has asked that reference be made to the hickory bark beetle. Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913 The secretary has also made investigation by correspondence on the hickory bark beetle and the identity of Juglans mandshurica. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911 He had heard enough of the ravages of the bark beetle to know what it might mean if it once secured a strong footing on the Sierras. The Boy With the U. S. Foresters Where the needles of a pine or spruce turn yellow or red, the presence of bark beetles is shown. The School Book of Forestry The hickory bark beetle suggests one of the problems which is difficult to handle, and it does not seem that much can be accomplished in a practical way by starting an agitation on the subject. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911 Ranger's cabin where the men gathered to fight the invasion of the bark beetle.Photograph by U. S. The Boy With the U. S. Foresters Dear Sir:— I am in receipt of your communication of the 16th of March, and have considered carefully the question of what can be done towards the control of the hickory bark beetle. Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911
随便看	wickedness wicker wicker basket wickerwork wicket wicket door wicket gate wicket-keeper wickiup Wickliffe wickup Wiclif wide wide area network wide of the mark wide screen wide wale wide-angle wide-angle lens wide-awake wide-body wide-body aircraft wide-cut wide-eyed wide-open