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A long‐term assessment of raptor displacement at a wind farm
Frontiers in Ecology and the Environment ( IF 10.3 ) Pub Date : 2019-07-30 , DOI: 10.1002/fee.2089
Regan Dohm 1 , Christopher S Jennelle 2 , Julie C Garvin 3 , David Drake 4
Affiliation  

Wind energy development is advancing rapidly, but the potential ramifications of this growth on wildlife, particularly birds and bats, are not fully understood. Wind energy development may affect raptor (birds of prey) populations indirectly by displacing them from their previously occupied habitat; however, there are limited empirical data demonstrating this effect. We performed long‐term raptor surveys at a wind farm previously implicated in the displacement of resident raptors and found that the duration of displacement varied among raptor species. Abundances of turkey vultures (Cathartes aura), red‐tailed hawks (Buteo jamaicensis), and accipiters (sharp‐shinned hawks [Accipiter striatus] and Cooper's hawks [Accipiter cooperii] combined) all rebounded in years 7 and 8 of wind farm operation, while the apparent displacement of northern harriers (Circus hudsonius) and American kestrels (Falco sparverius) persisted across all post‐construction monitoring periods. Our long‐term assessment indicates not only that wind farm construction and operation may displace raptors but also that these impacts can diminish over time for certain species. This finding underscores the importance of assessing potential impacts over the operational life of a given wind farm and the need for long‐term monitoring to validate predicted impacts, particularly for raptor communities.

中文翻译:

对风电场中猛禽位移的长期评估

风能的发展正在迅速发展,但是这种增长对野生生物特别是鸟类和蝙蝠的潜在影响尚不完全清楚。风能的发展可能通过将猛禽(猛禽)从其先前占领的栖息地中移出而间接影响猛禽(猛禽);但是,仅有有限的经验数据证明了这种效果。我们在以前与居民猛禽的迁移有关的风电场中进行了猛禽的长期调查,发现迁移的持续时间随猛禽种类的不同而不同。火鸡兀((Cathartes aura),红尾鹰(Buteo jamaicensis)和虫(尖锐的鹰[ Accipiter striatus ]和库珀的鹰[ Accipiter cooperii)在风电场运营的第7年和第8年均反弹,而在施工后的整个监测期间,北部monitoring(Circus hudsonius)和美国k(Falco sparverius)的表观位移一直持续。我们的长期评估表明,不仅风电场的建设和运营可能会取代猛禽,而且对于某些物种,随着时间的流逝,这些影响也会逐渐减少。该发现强调了评估给定风电场运营期间的潜在影响的重要性,以及需要进行长期监控以验证预测影响的重要性,特别是对猛禽社区而言。
更新日期:2019-07-30
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