Plant species loss reduces rare soil microbes through diversity effects amplified by multitrophic interactions

IF 5.6 1区 环境科学与生态学 Q1 ECOLOGY Journal of Ecology Pub Date : 2025-02-17 DOI:10.1111/1365-2745.70013
Jie Li, Yanan Wei, Ruixue Lv, Weixing Liu, Kechang Niu
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植物物种的消失通过多营养相互作用放大的多样性效应减少了稀有土壤微生物
越来越多的证据表明,植物多样性的丧失通过改变由地上和地下多种生物调节的生化过程来侵蚀生态系统功能。然而,我们对植物多样性的丧失如何影响土壤生物多样性知之甚少,特别是生态稀有和/或功能独特的植物的丧失是否会导致与土壤多功能性相关的稀有土壤微生物的减少。在青藏高原物种丰富的高寒草甸群落中,我们进行了一项为期12年的植物物种去除实验,以揭示失去大量生态稀有和功能独特的草本植物与失去少数优势莎草和几种常见物种对土壤生物多样性的影响。研究发现,去除稀有植物而非优势种和常见植物,通过减少稀有微生物类群,显著降低了土壤细菌和真菌的丰富度。稀有微生物类群丰富度的下降不仅与植物物种丰富度的减少有关,而且与食真菌和杂食性线虫的丰富度增加有关。合成。研究表明,稀有植物的消失是通过地下多营养相互作用放大的植物多样性效应导致稀有土壤微生物的减少。稀有土壤微生物的流失会引发微生物群落发生更大的变化,从而改变土壤生物多样性、食物网结构和群落功能。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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