| 单词 | silversword |
| 例句 | In all, the park hosts 26 endangered or threatened endemic plant species, including the Mauna Loa silversword. The U.S. Issue: Endangered Species: A Coast-to-Coast Guide to Endangered Species 2011-05-13T20:22:51Z So, Pescaia says, it’s frustrating when visitors move rocks or kick them over, exposing the seedlings of rare and endangered species such as the Haleakala silversword. Out hiking? Here’s why you should leave those stones unstacked and those stacks untouched. 2020-08-27T04:00:00Z And the protected silversword plant, which lives up to 90 years, flowers just once and then dies. The essential guide to all 59 U.S. national parks 2016-08-15T04:00:00Z Krushelnycky and his fellow scientists now plan to continue their research by looking at climate change projections and how they might affect the future of the Haleakalā silversword. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z Over the period of their surveys the researchers found extensive silversword mortality, especially at lower elevations on Haleakalā volcano. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z Like many mountain species affected by global warming—such as the American pika—the Haleakalā silversword is doing better at higher elevations, but those areas also provide less habitat and sustain fewer individuals. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z Despite the risks it faces, Krushelnycky notes the Haleakalā silversword is actually the most populous of a total of five silversword species, all of which are endemic to Hawaii. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z His team set up eleven five- by 20-meter silversword plots to help learn more about them. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z In the 1930s, when the national park was established as a protected site, silversword populations were as low as 4,000 plants. Amazing Hawaiian Plant Loved by Tourists but Endangered by Climate Change 2013-01-17T23:15:00.257Z |
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