Contrasting responses of plant, soil fungal and above-ground arthropod communities to plant invasion across latitudes

IF 5.3 1区 环境科学与生态学 Q1 ECOLOGY
Lunlun Gao, Fengyan Fan, Yifan He, Chunqiang Wei, Hao Xu, Xiaoyan Liu, Xinmin Lu, Richard D. Bardgett
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Abstract

Abstract Image

不同纬度植物、土壤真菌和地面节肢动物群落对植物入侵的不同反应
外来物种的扩散会通过生物相互作用抑制常住物种,这是全世界日益关注的问题。然而,对于地上和地下群落如何同时对植物入侵做出反应,尤其是在大空间尺度上的反应,我们的研究还很少。我们假设植物入侵在低纬度地区比在高纬度地区对地上和地下受体群落的影响更大,因为在更有利的低纬度环境中,生物相互作用在塑造群落方面发挥着更重要的作用。为了验证这一假设,我们对中国纬度梯度长达1700公里的124个地点进行了全面的实地调查,以探索全球广泛分布的入侵植物--箭毒苣苔的入侵对植物、土壤真菌和地面节肢动物群落的影响。箭毒对植物、地上节肢动物和土壤嗜吸真菌的β多样性(即不同地点之间类群组成的差异)产生了不同的影响,分别为负面、中性和正面反应。值得注意的是,在不同纬度地区,相邻入侵地点和非入侵地点之间的植物和节肢动物群落组成差异保持不变。相比之下,相邻入侵地点和非入侵地点之间整个群落和病原真菌群落的组成差异随着纬度的升高而增大。这导致入侵对植物和真菌群落组成的影响差异随着纬度的增加而减小。综述。我们的研究揭示了不同纬度地区地上和地下群落对植物入侵的不同反应,为了解入侵效应的复杂性提供了新的视角。这些截然不同的反应可能会削弱或重塑地上和地下的相互作用,进而影响未来的物种入侵和陆地生态系统的功能。
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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 We do not publish papers concerned solely with cultivated plants and agricultural ecosystems.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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