在新热带果食蝙蝠 (Phyllostomidae: Stenodermatinae, Carolliinae) 中的微塑料污染表明,塞拉多森林和亚马逊森林之间没有生物群特异性差异
Ana Beatriz Alencastre-Santos1, Danielle Regina G Ribeiro-Brasil2, Daniela DE Melo E Silva3
1Programa de Pós-Graduação em Zoologia (PPGZOOL), Universidade Federal do Pará (UFPA), Avenida Perimetral, 1901, Terra Firme, 66077-830 Belém, PA, Brazil.
Anais da Academia Brasileira de Ciencias
|December 3, 2025
概括
微塑料污染对巴西的水果蝙蝠产生了重大影响. 令人惊的是,亚马逊蝙蝠的污染程度高于塞拉多蝙蝠,而胃是受污染最严重的器官.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 野生动物健康 野生动物健康
背景情况:
- 微塑料污染是对生态系统和野生动物的日益严重的全球威胁.
- 蝙蝠,特别是水果蝙蝠 (Phyllostomidae),是环境污染的潜在生物指标.
- 了解蝙蝠的微塑料暴露对于评估生态系统健康至关重要.
研究的目的:
- 调查和量化来自巴西塞拉多和亚马逊生物群的水果蝙蝠中的微塑料污染.
- 为了比较生物群和蝙蝠子家族 (Stenodermatinae和Carolliinae) 之间的污染水平.
- 确定蝙蝠中微塑料的潜在来源和暴露途径.
主要方法:
- 在Cerrado和亚马逊地区的果蝙蝠组织中分析微塑料的存在.
- 基于生物群,土地使用和蝙蝠亚家族的污染水平的比较.
- 特定器官的微塑料量化,包括胃和肝脏.
主要成果:
- 来自亚马逊生物群的蝙蝠比来自塞拉多的蝙蝠具有更高的微塑料污染.
- 微塑料含量与土地使用或土地覆盖的分类没有相关性.
- 胃部显示微塑料度最高,肝脏也被发现受到污染.
- 来自Carolliinae亚家族的蝙蝠,饮食更加多样化,污染水平更高.
结论:
- 水果蝙蝠易受微塑料污染的影响,在巴西的两种生物体中都记录了大量的暴露.
- 息地特定因素,而不是广泛的土地使用类型,似乎影响了污染.
- 饮食习惯和在改变环境中的吸入可能会增加某些蝙蝠物种的暴露风险.
- 这项研究强调了需要制定保护战略,解决微塑料对蝙蝠种群和生物多样性的影响.
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