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Extensive Use of Intertidal Habitat by Shorebirds Outside Protected Nesting Areas
Journal of Wildlife Management ( IF 1.9 ) Pub Date : 2020-06-13 , DOI: 10.1002/jwmg.21908
Julia D. Monk 1 , Eunbi Kwon 1 , Audrey Derose‐Wilson 1 , Samantha G. Robinson 1 , Henrietta A. Bellman 1 , Sarah M. Karpanty 1 , Daniel H. Catlin 1 , James D. Fraser 1
Affiliation  

Conservation of shorebirds throughout their breeding and migratory ranges has become a priority as shorebird populations decline globally. Along the North Atlantic Coast, management efforts have particularly focused on preserving nesting habitat for piping plovers (Charadrius melodus), which are protected under the Endangered Species Act. It is unclear whether these conservation measures suffice to protect foraging habitat for piping plovers and other shorebirds on stopover during migration along the Atlantic Flyway. To evaluate the extent to which conservation of piping plover nesting areas extends to all habitats used by plovers, and to determine whether these protections also benefited non‐breeding migratory shorebirds in the region, we conducted weekly shorebird surveys, recording the number and locations of piping plovers and other species, during northward and southward migration on Fire Island and Westhampton Island, New York, USA, from 2014–2016. We used canonical correspondence analysis (CCA) to assess the degree of spatiotemporal overlap between breeding plovers, foraging plovers, and other migratory shorebirds that temporarily stage at the site. The spatiotemporal distribution of migratory shorebirds matched more closely with piping plovers seen during foraging than piping plovers observed tending nests and engaging in other breeding activities. Migratory shorebirds and foraging piping plovers were more abundant and frequent in wet intertidal zones outside of fenced‐off nesting areas, which were not protected under current management regimes. Therefore, additional protection of piping plover foraging habitat could benefit plovers and migratory shorebirds that use similar feeding grounds during stopover on northward and southward migration. © 2020 The Wildlife Society.

中文翻译:

受保护的筑巢区以外的水鸟广泛使用潮间带栖息地

随着全球shore鸟数量的减少,在整个繁殖和迁徙范围内保护shore鸟已成为当务之急。在北大西洋沿岸,管理工作特别集中在为管道pl(Charadrius melodus)保留筑巢生境。),该物种受《濒危物种法》保护。目前尚不清楚这些保护措施是否足以保护在沿大西洋天桥迁徙期间在中途停留的管道运输over和其他水鸟的觅食栖息地。为了评估管道pl巢区的保护范围扩展到pl所使用的所有栖息地,并确定这些保护措施是否也使该地区的非繁殖性shore鸟受益,我们每周进行一次shore鸟调查,记录管道的数量和位置2014-2016年,在美国纽约的火岛和韦斯特汉普顿岛上向北和向南迁移期间,和其他物种。我们使用规范对应分析(CCA)评估了繁殖仔,觅食仔之间的时空重叠程度,以及在该地点临时上演的其他候鸟。迁徙性水鸟的时空分布与觅食期间观察到的管道piping更接近,而不是管养巢和参与其他繁殖活动的管道pl。在围栏式筑巢区以外的潮间带潮间带,候鸟和觅食的管道pl更为丰富和频繁,这些在现行管理制度下没有得到保护。因此,对管道pl栖息地的觅食栖息地提供额外的保护可以使在北向和南向迁徙中途停留期间使用类似觅食场的pl和迁徙shore鸟受益。©2020野生动物协会。迁徙性水鸟的时空分布与觅食期间观察到的管道piping更接近,而不是管养巢和参与其他繁殖活动的管道pl。在围栏式筑巢区以外的潮间带潮间带,候鸟和觅食的管道pl更为丰富和频繁,这些在现行管理制度下没有得到保护。因此,对管道pl栖息地的觅食栖息地提供额外的保护可以使在北向和南向迁徙中途停留期间使用类似觅食场的pl和迁徙shore鸟受益。©2020野生动物协会。迁徙性水鸟的时空分布与觅食期间观察到的管道piping更接近,而不是管养巢和参与其他繁殖活动的管道pl。在围栏式筑巢区以外的潮间带潮间带,候鸟和觅食的管道pl更为丰富和频繁,这些在现行管理制度下没有得到保护。因此,对管道pl栖息地的觅食栖息地提供额外的保护可以使在北向和南向迁徙中途停留期间使用类似觅食场的pl和迁徙shore鸟受益。©2020野生动物协会。在当前的管理制度下不受保护。因此,对管道pl栖息地的觅食栖息地提供额外的保护可以使在北向和南向迁徙中途停留期间使用类似觅食场的pl和迁徙shore鸟受益。©2020野生动物协会。在当前的管理制度下不受保护。因此,对管道pl栖息地觅食栖息地的进一步保护可以使在北向和南向迁徙中途停留期间使用类似觅食场的pl和迁徙shore鸟受益。©2020野生动物协会。
更新日期:2020-06-13
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