Bristle thighed Curlew Numenius tahitiensis的种群趋势、规模和潜在威胁:法属波利尼西亚的新数据

IF 1.5 4区 环境科学与生态学 Q3 BIODIVERSITY CONSERVATION
F. Jiguet
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引用次数: 0

摘要

根据2021年和2022年在法属波利尼西亚10个环礁上对大溪地猪鬃Curlews Numenius tahitiensis的普查,该物种在过去20年里减少了约50%。虽然该物种最近已从“易危”降至“近危”,但这些新数据将使其有资格进入“濒危”红色名单。土阿莫土岛上的非繁殖种群大约有1000只,整个东波利尼西亚有多达1500只。在无人居住的岛屿上,扩大椰子果肉的开采对curcurs造成了长期的干扰,增加了宠物狗的捕食,并引入或加强了非本地老鼠的数量。气候变化,特别是海平面上升,将增加土地利用的变化,使法属波利尼西亚的鬃鹬适宜栖息地缩小。本研究表明,通过对重点非繁殖地的调查,可以获得偏远地区物种繁殖的种群趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Population trends, size, and potential threats to Bristle-thighed Curlew Numenius tahitiensis: new data from French Polynesia
Summary Based on censuses in 2021 and 2022 of Bristle-thighed Curlews Numenius tahitiensis on 10 atolls of French Polynesia, the species has declined by c.50% over the last two decades. While the species has recently been down-listed from “Vulnerable” to “Near Threatened”, these new data would qualify it for an “Endangered” Red List status. The non-breeding population on Tuamotu numbers approximately 1,000 curlews and up to 1,500 individuals in all of Eastern Polynesia. On uninhabited islands, the expansion of copra (coconut pulp) exploitation has caused long-term disturbance for curlews, increased predation by pet dogs, and introduced or reinforced non-native rat populations. Climate change, particularly sea-level rise, will add to changes in land use that shrink the suitable habitat for Bristle-thighed Curlews in French Polynesia. As this study shows, obtaining population trends for species breeding in remote areas may best be achieved through surveys at key non-breeding sites.
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来源期刊
CiteScore
3.40
自引率
6.20%
发文量
50
审稿时长
>12 weeks
期刊介绍: Bird Conservation International is a quarterly peer-reviewed journal that seeks to promote worldwide research and action for the conservation of birds and the habitats upon which they depend. The official journal of BirdLife International, it provides stimulating, international and up-to-date coverage of a broad range of conservation topics, using birds to illuminate wider issues of biodiversity, conservation and sustainable resource use. It publishes original papers and reviews, including targeted articles and recommendations by leading experts.
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