关键生物多样性区域在代表全球鸟类多样性的有效性
Tom P Lansley1, Olivia Crowe2, Stuart H M Butchart2
1School of Biosciences, University of Sheffield, Sheffield, UK.
概括
关键生物多样性区域 (KBA) 为全球生物多样性提供了至关重要的保护. 然而,这项研究揭示了KBA网络内许多鸟类和息地的代表性显著不足,突出了需要扩大保护的领域.
科学领域:
- 生物多样性保护科学 生物多样性保护科学
- 鸟类生态学 鸟类生态学
- 保护网络评估 保护网络评估
背景情况:
- 关键生物多样性区域 (KBA) 是全球公认的生物多样性持久性至关重要的地区.
- 评估KBA在代表鸟类多样性的有效性对于保护规划至关重要.
- 之前的评估集中在鸟类地点,但全球KBA网络对所有鸟类多样性的代表性缺乏全面评估.
研究的目的:
- 评估全球关键生物多样性区域 (KBA) 网络代表陆地鸟类多样性的程度.
- 在KBA网络中识别代表性不足的鸟类物种,种类,息地和地理区域.
- 为KBA网络的潜在扩展提供信息,以增强对鸟类物种的保护效益.
主要方法:
- 10,517种陆地鸟类的利用息地 (AOH) 地图.
- 在全球范围内,按每个KBA的空间范围对AOH数据进行掩盖和裁剪.
- 分析了息地重叠,计算了代表百分比,并比较了不同地区,息地和分类群体的KBA覆盖范围.
主要成果:
- 虽然大多数物种有一些息地与KBA重叠,但29种物种没有,而1900种物种的AOH重叠不到8%.
- 鉴定出KBA的物种平均只显示2.6%的AOH代表性.
- 观察到显著的区域差异,北美北部显示出高低的代表性,热带森林物种比北极或温带森林物种更有代表性.
结论:
- 全球KBA网络在代表鸟类多样性方面存在明显的缺陷,特别是对于某些物种,区域和分类群体.
- 需要扩大KBA网络,以解决发现的差距,并改善代表性不足的物种的保护结果.
- 最近的分类学或IUCN红色名单的变化需要持续审查和对沼泽和塔巴尔皮塔等物种进行新的KBA的潜在识别.
关键词:
关键生物多样性地区 关键生物多样性地区息地的息地区域.基于面积的保护.生物地质学 生物地质学生物地质学生物地质学鸟类保护 鸟类保护基于地区的保护.保护鸟类的保护保护优先考虑的保护优先考虑.危的物种 危的物种优先考虑保护的优先考虑临灭绝的物种是受威胁的物种.息地区域是一个息地区域.生物多样性的关键地区更多相关视频
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