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分析揭示了外来入侵物种在陆地昆虫群中的负面但高度可变的影响
Grace L V Skinner1, Rob Cooke2, Helen E Roy2,3
1UK Centre for Ecology & Hydrology, Maclean Building, Wallingford, Oxfordshire, UK. GraSki@ceh.ac.uk.
Nature communications
|January 15, 2026
概括
侵入性外来物种严重损害昆虫种群,减少了31%的丰富度和26%的丰富度. 这一全球性分析强调了昆虫如真虫和蜜蜂对这些威胁的脆弱性.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 昆虫学 昆虫学是一门学科.
背景情况:
- 昆虫对生态系统健康至关重要,但面临着重大威胁.
- 侵入性外来物种对全球昆虫种群构成严重风险.
- 从历史上看,研究一直关注昆虫作为入侵者,而不是作为入侵的受害者.
研究的目的:
- 综合全球关于外来入侵物种对陆地昆虫影响的证据.
- 量化外来入侵物种对昆虫数量和物种丰富性的影响.
- 确定影响不同昆虫种群对入侵的脆弱性的因素.
主要方法:
- 进行了52项研究的全球元分析,包括318个效果大小.
- 评估了入侵性外来物种对主要陆地昆虫种群的影响:大虫,半虫,虫和虫.
- 根据入侵者的类型 (动物与植物) 和昆虫的顺序,研究了影响的变化.
主要成果:
- 侵入性外来物种显著减少了昆虫的数量31%,物种丰富度降低了26%.
- 影响在各种昆虫种群中各不相同,海米和海门比科乐表现出更大的负面影响.
- 侵入性外来动物比侵入性外来植物产生更强的负面影响.
结论:
- 侵入性外来物种对昆虫的生物多样性和生态系统的运作构成重大威胁.
- 提供昆虫脆弱性的定量证据,对于有针对性的保护战略至关重要.
- 强调需要更多地关注昆虫作为生物入侵的受害者.
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