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首页> 外文期刊>Wader study: the international journal of shorebird science >Combination of marine and artificial freshwater habitats provides wintering Black-tailed Godwits with landscape supplementation
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Combination of marine and artificial freshwater habitats provides wintering Black-tailed Godwits with landscape supplementation

机译：海洋和人工淡水栖息地的结合为越冬的黑尾塍鹬提供了景观补充

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© 2022, International Wader Study Group. All rights reserved.Migratory shorebirds, which have an energy-expensive lifestyle, must replenish their body reserves during winter to ensure their survival. Hence, birds have to select wintering habitats that provide the best net energy gain per unit of time while also considering possible disturbances such as predation risk, competition and resource depletion. Different foraging strategies can therefore emerge between species or individuals, such as focusing on one high-quality foraging habitat or making use of multiple habitats, resulting in contrasting distributions and movements patterns. By analysing the movements of 10 wintering Blacktailed Godwits Limosa limosa islandica through GPS-telemetry, our study aimed to understand and describe their spatiotemporal use of wetlands. Our results show that Black-tailed Godwits are flexible in terms of habitat use. All tracked godwits used more than one site during the survey period, with site shifts at both small and large spatial scales, and used multiple habitat types within sites. Indeed, although a dominant use of intertidal areas was observed, birds showed seasonal and daily habitat shifts by visiting inland marshes, saltpans and hunting ponds, with a habitat-specific activity rhythm. Finally, our results support the importance of the protected areas and the management of artificial wetland habitats to ensure the preservation of high-quality wintering areas for godwits.
机译：©2022年国际涉禽研究小组。版权。来说的生活方式,必须补充在冬天,确保他们身体储备生存。栖息地提供最好的净能量增益每单位时间的同时也考虑到可能的干扰,如捕食风险,竞争和资源消耗。策略可以因此出现物种之间或个人,如关注优质觅食生境或利用多个栖息地,导致对比分布和运动模式。分析10个越冬的运动我们的研究旨在通过GPS-telemetry理解和描述他们的时空的使用湿地。黑尾豫是灵活的栖息地的使用。跟踪黑尾豫期间不止一个网站使用调查期间,与网站变化小和大的空间尺度上,多次使用网站内生境类型。主要观察潮间带地区的使用,鸟类显示季节性和日常栖息地变化来访的内陆湿地,盐田和狩猎池塘,habitat-specific活动节奏。最后,我们的结果支持的重要性保护区的管理人工湿地栖息地,以确保保护高质量的越冬区域

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