文献类型：期刊文献

英文题名：Rare Microbial Taxa as the Major Drivers of Ecosystem Multifunctionality in Lakesides of Dianchi Lake

作者：Yuan, Lingchen[1,2] Lan, Xianli[2] Liu, Chengyu[2] Jin, Jun[2] Chen, Yue[3] Hu, Bin[1] Feng, Defeng[4,5] Li, Wei[1]

第一作者：Yuan, Lingchen

机构：[1] Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Science, Yunnan University, Kunming, 650091, China; [2] Institute of International Rivers and Eco-Security, Yunnan University, Kunming, 650091, China; [3] Environmental Protection Research Institute of Guangxi Transportation Science and Technology Group Co.Ltd., Nanning, 530000, China; [4] Institute of Highland Forest Science, Chinese Academy of Forestry, Kunming, 650224, China; [5] Yuanmou Desert Ecosystem Research Station, National Forestry and Grassland Administration, Kunming, 650224, China

年份：2024

外文期刊名：SSRN

收录：EI(收录号：20240107494)

语种：英文

外文关键词：Bacteria - Catchments - Complex networks - Lakes - Land use - Physicochemical properties - Runoff - Soils - Wetlands

摘要：Patterns in microbial communities related to land-use changes are an important research area in microbial ecology, and the relationship between soil microbial diversity and ecosystem multifunctionality has been a recent focused of research. However, the patterns of lakeside microbial subcommunities with different rarities are poorly understood, and the relationship between soil microbial diversity and ecosystem multifunctionality has been studied less in lakeside wetlands. In the present study, the distributions of abundant and rare bacteria, their driving factors, and the soil ecosystem multifunctionality in the lakeside wetlands of Dianchi Lake were examined. The results indicated that the alpha diversity and community compositions of rare and abundant taxa were different in lakeside wetlands under land use changes within the Dianchi catchment. Land-use changes within the Dianchi catchment significantly affected only the alpha diversity of soil-abundant bacteria among lakeside wetlands, and the soil bacterial richness and diversity in rare taxa were significantly higher than those in abundant taxa. Land- use changes within the Dianchi catchment significantly affected the bacterial community compositions of rare and abundant taxa in lakeside wetlands. The abundant taxa network showed a more complex and tighter network structure than the rare taxa network. Soil ecosystem multifunctionality differed significantly among the lakeside wetlands of Dianchi Lake, and there were positive and significant linear correlations between rare soil bacteria and ecosystem multifunctionality based on bacterial diversity and network complexity. These results indicate that rare taxa are the drivers of ecosystem multifunctionality in the lakeside wetlands of Dianchi Lake. In addition, the relationship between ecosystem multifunctionality and rare bacteria is directly or indirectly affected by the physicochemical properties of the soil and overlying water. This study improves our understanding of soil microbial attributes and ecosystem multifunctionality in lakeside wetlands under different land-use changes within catchments. ? 2024, The Authors. All rights reserved.