蝙蝠在非洲保护区的代表性不足
Cecilia Montauban1,2, Ivana Budinski3, Paul W Webala4
1Department of Life Sciences, Imperial College London, Ascot, UK.
概括
非洲许多蝙蝠物种没有受到保护区的保护,这凸显了关键数据缺口. 有针对性的调查和改进的数据共享对于有效的蝙蝠保护和保护生物多样性至关重要.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 动物学 动物学
背景情况:
- 全球生物多样性面临着来自息地丧失和人类压力的严重威胁,加速物种灭绝.
- 保护区 (PAs) 是关键的保护工具,但它们对蝙蝠等多种类型的有效性尚不确定.
- 撒哈拉以南非洲地区丰富的蝙蝠动物群面临着保护挑战,需要对现有保护区进行强有力的评估.
研究的目的:
- 评估在7875个陆地保护区 (PA) 内的263种撒哈拉以南非洲蝙蝠物种的覆盖面.
- 识别PA中代表性不足的蝙蝠物种,并突出需要有针对性的保护工作的地区.
- 评估物种的范围大小和食协会对PA代表性的影响.
主要方法:
- 在撒哈拉以南非洲地区利用了263种蝙蝠的地理参考记录.
- 采用物种分布模型 (SDM) 来预测潜在的分布,并评估PA覆盖范围.
- 基于物种的发生范围和食协会 (水果蝙蝠,食虫捕食者) 的分析表示.
主要成果:
- 89%的蝙蝠物种在至少一个PA中发现,但28种物种不在所有PA中.
- 五种受威胁的蝙蝠物种和15种缺乏数据的蝙蝠物种在任何PA中都没有代表.
- 相比于食虫的食协会,水果蝙蝠的PA代表性显著更高.
- SDM表明,在未被调查的地区,蝙蝠物种丰富度很高,包括西/中非和阿尔伯廷裂.
结论:
- 撒哈拉以南非洲地区蝙蝠保护存在重大数据缺陷,几种物种缺乏PA保护.
- 将蝙蝠纳入更广泛的保护计划是紧急的,需要加强数据共享和有针对性的调查.
- 改善蝙蝠在PA中的代表性对于保护它们在非洲生物多样性景观中的生态作用至关重要.
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