近北-新热带候鸟在非繁殖地的栖息地生态

IF 2.6 2区 生物学 Q1 ORNITHOLOGY
Condor Pub Date : 2020-10-14 DOI:10.1093/condor/duaa055
S. Albert, Jared D. Wolfe, Jherime Kellerman, T. Sherry, B. Stutchbury, Nicholas J. Bayly, A. Ruiz-Sánchez
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引用次数: 17

摘要

在北美繁殖的大约716种鸟类中,386种(54%)被美国鱼类和野生动物管理局认为是近北极-新热带候鸟。在过去的50年里,这些迁徙物种的数量急剧减少,包括一些曾经被认为是常见的物种。近北极-新热带候鸟通常在热带栖息地停留6-8个月,这使得新热带栖息地的识别、利用和管理成为其保护的关键问题。然而,对于大多数物种来说,关于它们对热带栖息地的利用以及繁殖和越冬条件对生存、生产力和种群趋势的相对影响的完整和细致的信息是不可获得的,尽管许多研究指出,新热带越冬栖息地是种群变化的强大驱动力。当越冬地和热带中途停留地的条件影响到随后在繁殖地的繁殖表现时,了解“携带效应”是如何产生并影响人口趋势的,这对远距离近北极-新热带迁徙者尤为重要。例如,为什么有些物种从热带栖息地表现出强烈的携带效应,而另一些则没有,这一点还没有完全弄清楚。近年来,许多研究利用新的科学方法和技术创新为这些问题提供了见解。在这篇综述中,我们探讨了迁徙到新热带地区的北美繁殖鸟所面临的威胁,总结了栖息地选择和越冬地利用的知识,描述了一年周期中某一点的条件如何在随后的季节或生活史阶段表现出来,并讨论了保护问题,如气候变化和物候不匹配的可能性。在北美繁殖的鸟类中,有一半以上迁徙到新热带地区,它们代表着数十亿只鸟类。在过去的50年里,这些物种的数量急剧下降。候鸟通常在热带栖息地停留6-8个月,使这些物种的保护成为一项国际挑战。然而,对于大多数物种来说,关于它们对热带栖息地的利用以及繁殖和越冬条件对生存、生产力和种群趋势的相对影响的完整和细致的信息是不可获得的。气候变化的加速增加了我们对这些鸟类完整的年度和迁徙周期的了解的紧迫性。近年来,许多研究利用新的科学方法和技术创新为这些问题提供了见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Habitat ecology of Nearctic–Neotropical migratory landbirds on the nonbreeding grounds
ABSTRACT Of the approximately 716 bird species that breed in North America, 386 (54%) are considered Nearctic–Neotropical migrants by the U.S. Fish and Wildlife Service. In the past 50 yr, scores of these migratory species, including some once considered common, have declined dramatically. Nearctic–Neotropical migrants normally spend 6–8 months in tropical habitats, making the identification, availability, and management of Neotropical habitats critical issues for their conservation. Yet, for most species, complete and nuanced information about their use of tropical habitats and the relative effects of breeding vs. wintering conditions on survival, productivity, and population trends is not available, though many studies point to Neotropical overwintering habitats as being a strong driver of population change. Particularly important for long-distance Nearctic–Neotropical migrants is an understanding of how “carry-over effects” arise and influence population trends when conditions on wintering grounds and tropical stopover areas affect subsequent reproductive performance on breeding grounds. For example, why some species show strong carry-over effects from tropical habitats while others do not is not fully understood. In recent years, many studies have offered insights into these issues by taking advantage of new scientific methods and technological innovations. In this review, we explore threats facing North American breeding birds that migrate to the Neotropics, summarize knowledge of habitat selection and use on the wintering grounds, describe how conditions at one point in the annual cycle may manifest in subsequent seasons or life history stages, and discuss conservation concerns such as climate change and the potential for phenological mismatch. LAY SUMMARY More than half of the bird species that breed in North America, representing billions of birds, migrate to the Neotropics. In the past 50 years, scores of these species have declined dramatically. Migratory birds normally spend 6–8 months in tropical habitats, making the conservation of these species an international challenge. Yet, for most species, complete and nuanced information about their use of tropical habitats and the relative effects of breeding vs. wintering conditions on survival, productivity, and population trends is not available. Accelerating climate change is adding to the urgency of our gaining an understanding of the full annual and migratory cycle of these birds. In recent years, many studies have offered insights into these issues by taking advantage of new scientific methods and technological innovations.
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来源期刊
Condor
Condor ORNITHOLOGY-
CiteScore
6.30
自引率
12.50%
发文量
46
审稿时长
6-12 weeks
期刊介绍: The Condor is the official publication of the Cooper Ornithological Society, a non-profit organization of over 2,000 professional and amateur ornithologists and one of the largest ornithological societies in the world. A quarterly international journal that publishes original research from all fields of avian biology, The Condor has been a highly respected forum in ornithology for more than 100 years. The journal is one of the top ranked ornithology publications. Types of paper published include feature articles (longer manuscripts) Short Communications (generally shorter papers or papers that deal with one primary finding), Commentaries (brief papers that comment on articles published previously in The Condor), and Book Reviews.
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