在欧洲温带森林中,同情性哺乳动物的生物质分布
Andro Pleskalt1, Sebastião Farias2, Toni Vicedo3
1Department of Biology, University of Zagreb, Zagreb, Croatia.
Royal Society open science
|August 7, 2025
概括
人类活动扰乱了生态系统生物质分布,导致大型捕食者减少. 这项研究量化了西班牙温带森林中的哺乳动物生物量,揭示了显著的食用降级.
科学领域:
- 生态生态学 生态生态学
- 生态系统动力学 生态系统动力学
- 野生动物生物学 野生动物生物学
背景情况:
- 生态系统生物质分布在热带层是基本的生态特征.
- 人类活动可以显著扰乱这些自然生物质分布.
- 了解这些干扰对于生态系统管理和保护至关重要.
研究的目的:
- 在温带森林生态系统中量化10种哺乳动物物种的生物质分布.
- 评估植物和哺乳动物初级消费者之间的生物质比率.
- 在人类影响的环境中调查食量降解的证据.
主要方法:
- 利用了来自西班牙坎塔布里亚山脉温带森林的长期摄像头陷数据.
- 量化了10种哺乳动物物种的生物量,代表了不同的身体质量和食量水平.
- 在地表植物生物质和哺乳动物初级消费者之间计算的生物质比率.
主要成果:
- 在哺乳动物中观察到底部较重的生物量分布,次要消费者的生物量不成比例地低,特别是大型捕食者.
- 发现植物生物质与哺乳动物的初级消费者比率超过6000:1的总地表生物质.
- 确定了植物生物质与哺乳动物初级消费者比率超过700:1,用于哺乳动物消费的植物生物质.
结论:
- 观察到的生物质分布表明,在研究的生态系统中,有显著的食量降级.
- 人类活动对陆地生态系统的结构产生了深远的影响,改变了生物质的分布.
- 需要进一步的研究,以了解食量降级对生态系统功能的长期后果.
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