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Effects of simulated nitrogen deposition on the species networks of inner Mongolia grassland
Wang, Shan; Zhang, Guangming1,2; Li, Jinshan
2020
发表期刊GLOBAL ECOLOGY AND CONSERVATION
ISSN2351-9894
卷号24
摘要Nitrogen enrichment modifies both plant communities and ecosystem services. It remains unclear how plant species networks will be affected by nitrogen enrichment. We present and compare species networks based on replicated experimental plant communities under different nitrogen addition rates and frequencies. We found that nonrandom assembly rules and specific four-species combinations have temporal stability, but nitrogen enrichment reduced the correlation number of dominant species combinations at the two frequencies considered, and the effect of low-frequency nitrogen addition on this number was much greater than that of high-frequency nitrogen addition. Regardless of nitrogen enrichment level, all the species networks considered exhibited nonrandomness, smallworldness, and non-scale-freeness, which were partly attributable to close species interactions. We also found that the clustering coefficient increased and the average path length decreased under elevated nitrogen addition rates from 0 to 5 g N m(-2) year(-1), but these two indices showed no pattern from 10 to 50 g N m(-2) year(-1). Importantly, nitrogen enrichment altered species network structure, especially changing the important position of Cleistogenes squarrosa, which revealed that this species is more sensitive than others to nitrogen enrichment. These results revealed variability in species networks and species combination stability under elevated nitrogen, which may help us understand changes in temperate ecosystems in the face of anthropogenic nitrogen enrichment. (C) 2020 The Author(s). Published by Elsevier B.V.
关键词Nitrogen deposition Species network Community composition Species interactions Nitrogen addition frequency Temperate grassland
学科领域Biodiversity Conservation ; Ecology
DOI10.1016/j.gecco.2020.e01398
收录类别SCI
语种英语
WOS关键词FOOD-WEB STRUCTURE ; PLANT DIVERSITY ; SCALE ; COOCCURRENCE ; BIODIVERSITY ; COMMUNITIES ; INCREASES ; DYNAMICS ; SHAPE
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS记录号WOS:000608482400022
出版者ELSEVIER
文献子类Article
出版地AMSTERDAM
资助机构National Key Research and Development Project of China [2016YFC0500705] ; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [2015ZCQ-LY-01]
作者邮箱lijinshan@bjfu.edu.cn
作品OA属性gold
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21469
专题植被与环境变化国家重点实验室
作者单位1.Beijing Forestry Univ, Coll Sci, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Changzhi Med Coll, Dept Pharmaceut Sci, Changzhi 046000, Peoples R China
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Wang, Shan,Zhang, Guangming,Li, Jinshan. Effects of simulated nitrogen deposition on the species networks of inner Mongolia grassland[J]. GLOBAL ECOLOGY AND CONSERVATION,2020,24.
APA Wang, Shan,Zhang, Guangming,&Li, Jinshan.(2020).Effects of simulated nitrogen deposition on the species networks of inner Mongolia grassland.GLOBAL ECOLOGY AND CONSERVATION,24.
MLA Wang, Shan,et al."Effects of simulated nitrogen deposition on the species networks of inner Mongolia grassland".GLOBAL ECOLOGY AND CONSERVATION 24(2020).
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