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根据肠道内容检查推断Speleomantes的食行为
Fabio Cianferoni1,2, Enrico Lunghi3,4,5
1Research Institute on Terrestrial Ecosystems (IRET), National Research Council of Italy (CNR), 50019 Firenze, Italy.
Animals : an open access journal from MDPI
|September 9, 2023
概括
欧洲洞穴主要吃表面生活的猎物,而不是洞穴生活的物种. 这表明它们在将有机物输送到地下生态系统中的重要作用.
科学领域:
- 生态生态学 生态生态学
- 动物学 动物学
- 洞穴学是一门洞穴学.
背景情况:
- 欧洲洞穴 (Speleomantes属) 的食行为在很大程度上是未知的.
- 现有的肠道内容数据集缺乏详细的生态和分类学信息.
- 需要进行全面的分析,以了解Speleomantes的饮食和生态作用.
研究的目的:
- 为了对欧洲洞穴食用的猎物进行首次全面分析.
- 阐明Speleomantes在地下环境中的食行为和生态作用.
- 调查饮食模式,包括猎物类型,环境起源和潜在的食策略.
主要方法:
- 分析了来自2060名成人和青少年的肠道内容的大型数据集 (17,630条记录) *Speleomantes*.
- 消费的猎物被分为49种不同的类型.
- 将已公布的数据与有关物种生态和较低分类层的额外信息进行整合.
主要成果:
- 飞行猎物占饮食的58%以上,而长长的爬行猎物占不到16%.
- 只有三个猎物项目是严格的洞穴居住者 (troglobites),这表明主要是表面食.
- 有证据表明,Speleomantes可以消耗水生猎物和具有反掠食者防御的猎物,其形态限制了饮食.
结论:
- 欧洲洞穴主要在表面环境中食,而不仅仅是在洞穴中.
- 它们在将土著有机物引入地下生态系统方面发挥着至关重要的作用.
- 需要进一步的研究来测试关于它们的食行为和捕获水生猎物的假设.
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