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单词 eastern hemlock
例句 eastern hemlock
This is because repeated efforts to cross the Chinese species with the eastern hemlock were fruitless. New hemlock hybrid could return a beloved tree to the shade garden 2020-05-05T04:00:00Z
There are efforts by other plant scientists at the University of Rhode Island and elsewhere to revive the eastern hemlock, using cuttings from rare survivors in the wild with an innate resistance to the pest. New hemlock hybrid could return a beloved tree to the shade garden 2020-05-05T04:00:00Z
It is half Chinese, it is not as hardy as the eastern hemlock, and the hybrid clones lack the genetic diversity you would want in wild populations. New hemlock hybrid could return a beloved tree to the shade garden 2020-05-05T04:00:00Z
Department of Agriculture selected 105 eastern hemlock trees in national and state forests along the Appalachians from Maryland to Georgia. Canopy gaps help eastern hemlock outlast invasive insect 2023-09-18T04:00:00Z
The eastern hemlock is not one of those ubiquitous, celebrity trees such as the white oak or the white pine. To save the hemlock, scientists turn to genetics and natural predators 2020-07-31T04:00:00Z
The principal host for the insect is the eastern hemlock, a rare tree in South Dakota. Invasive insect makes its way to South Dakota 2019-01-03T05:00:00Z
That could offer hope for eastern hemlock, perhaps by introducing the same predatory beetles and flies that feast on adelgid here, new research shows. Seeing the forest for the trees: What one oak tells us about climate change 2017-04-13T04:00:00Z
It is primarily back dune forest dominated by sugar maple, American beech, eastern hemlock and red oak. Land deal adds 80 acres to North Ottawa Dunes park 2017-01-22T05:00:00Z
Pennsylvania’s forests are under threat: Coniferous eastern hemlock trees all across the state are suffering from an infestation of the parasitic woolly adelgid. Climate change means threat to species in Pennsylvania 2016-04-30T04:00:00Z
“We will be able to preserve the eastern hemlock,” he said. Scrambling to save state’s hemlocks from invaders 2014-12-08T05:00:00Z
Native to Asia, the hemlock woolly adelgid is a small insect that threatens the health and sustainability of eastern hemlock in the eastern U.S. Climate change means threat to species in Pennsylvania 2016-04-30T04:00:00Z
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更新时间:2025/1/9 16:31:51