识别大三保护保护中的漏洞
Jason D Carlisle1, Douglas A Keinath2, Shannon E Albeke3
1Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, Program in Ecology, University of Wyoming, Laramie, WY 82071, USA.
概括
雨物种概念可以保护多种物种,但有效性取决于储备规模和物种相似性. 并非所有物种都能同样受益,因此对于那些息地有限的物种,需要有针对性的保护.
科学领域:
- 保护生物学 保护生物学
- 生态生态学 生态生态学
- 野生动物管理 野生动物管理
背景情况:
- 雨物种概念旨在通过保护单一目标物种的保护区来保护多种物种来提高保护效率.
- 对物种概念成功的经验证据,特别是关于潜在机制的证据,仍然有限.
- 为了测试该概念的有效性,使用了大 (Centrocercus urophasianus) 的现实世界储备.
研究的目的:
- 调查储备规模和物种相似性在物种概念成功中的作用.
- 评估大草保护区为52种与之相关的保护关注的物种提供的息地保护.
- 确定物种特征是否会影响保护区保护的水平.
主要方法:
- 将已确定的大草储备的有效性与其他储备大小和随机定位的储备进行了比较.
- 预备区内52种背景物种的估计息地保护.
- 分析了物种特征 (例如,息地协会,分布) 和保护水平之间的关联.
主要成果:
- 该保护区保护了大种群的82%,但仅保护了52种其他物种的息地的0-63%.
- 储备优于同等大小的,随机放置的储备,仅为52种物种中的12种.
- 较大的储备通常提供了更好的保护,但保护在物种之间有很大差异,有利于与物种相似的物种.
结论:
- 雨物种概念的成功取决于保护区的大小和雨物种与其他物种之间的生态相似性.
- 有限制分布和独特息地需求的物种可能无法通过雨保护区得到充分保护.
- 使用雨物种概念进行有效的保护需要仔细选择雨物种和保护区设计,考虑到背景物种的特征.
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