保护区可以保护小岛上的森林吗? 来自特立尼达的证据
Eleanor S Devenish-Nelson1, Neila Bobb-Prescott2, Claus-Martin Eckelmann3
1Biomedical Sciences, University of Edinburgh, 1 George Square, Edinburgh, EH8 9AG, UK.
Journal of environmental management
|March 8, 2026
概括
自然保护区 (PNA) 显示,特立尼达的森林损失较低,但碎片化程度增加,突出了小岛屿发展中国家 (SIDS) 的挑战. 有效的空间规划对于生物多样性目标和预防至关重要.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 环境管理环境管理
背景情况:
- 自然保护区 (PNA) 对全球生物多样性框架 (GBF) 至关重要.
- 在小岛屿发展中国家 (SIDS) 评估PNA的有效性是复杂的,因为社会政治因素和有限的土地.
- 岛屿级PNA有效性研究,特别是对于陆地系统,很少.
研究的目的:
- 用森林损失和森林碎片化作为代理来评估加勒比海SIDS中PNA的有效性.
- 分析2000年至2022年期间PNS中森林覆盖面的空间和时间趋势.
- 确定影响PNS内外森林丧失和碎片化的因素.
主要方法:
- 利用全球森林变化遥感数据集进行森林覆盖面分析.
- 员工倾向分数匹配和通用线性混合建模来评估PNA的有效性.
- 检查了与道路,种植园,PNA指定,人口密度和海拔高度相联系的森林损失和碎片化.
主要成果:
- 与非PNA网站相比,PNA网站内的森林损失明显较低.
- 尽管损失较低,但在2000年至2022年期间,73%的PNAs经历了分裂的增加.
- 诸如初始森林覆盖面,人口密度和海拔高度等因素与PNA碎片化增加相关.
结论:
- 在这个加勒比海小岛屿小岛屿中,PNA在缓解森林损失方面表现出部分有效性,但面临着严重的碎片化挑战.
- 较高的PNA指定水平与减少的森林损失相关,表明受限制的人类活动带来了一些好处.
- 积极的管理和空间规划对于提高PNA的有效性和防止它们成为"纸质公园"至关重要,支持GBF目标和自然资本会计.
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