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Effects of Plant Functional Group Loss on Soil Microbial Community and Litter Decomposition in a Steppe Vegetation
Xiao, Chunwang1; Zhou, Yong2; Su, Jiaqi1; Yang, Fan1,3
2017
发表期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
卷号8
摘要Globally, many terrestrial ecosystems are experiencing a rapid loss of biodiversity. Continued improvements in our understanding of interrelationships between plant diversity and soil microbes are critical to address the concern over the consequences of the decline in biodiversity on ecosystem functioning and services. By removing forbs, or grasses, or, to an extreme scenario, both forbs and grasses in a steppe vegetation in Inner Mongolia, we studied how plant functional group (PFG) loss affects soil microbial community composition using phospholipid fatty acid analysis (PLFA) and litter decomposition using a litter-bag method. PFG loss significantly decreased above-and below-ground plant biomass, soil microbial biomass carbon (SMBC) and nitrogen (SMBN), but had no effect on the ratio of SMBC to SMBN. Although the ratio of fungal to bacterial PLFAs remained unaffected, PFG loss significantly reduced the amount of bacterial, fungal, and total PLFAs. PFG loss decreased litter monthly mass loss and decay constant, and such decrease was significant when both forbs and grasses were removed. Our results provide robust evidence that PFG loss in grassland ecosystem can lead to a rapid response of soil microbial activity which may affect litter decomposition and soil nutrient cycling, suggesting that the assessment of plant-microbe interactions in soils is an integral component of ecosystem response to biodiversity loss.
关键词functional group loss soil microbial community phospholipid fatty acid analysis litter decomposition steppe vegetation
学科领域Plant Sciences ; Evolutionary Biology
DOI10.1007/s00606-016-1376-5
收录类别SCI
语种英语
WOS关键词SPECIES-DIVERSITY ; BIODIVERSITY LOSS ; GRASSLAND ; BIOMASS ; IDENTITY ; RATES ; MICROORGANISMS ; CONSEQUENCES ; ECOSYSTEMS ; RICHNESS
WOS记录号WOS:000395519400007
出版者FRONTIERS MEDIA SA
文献子类Article
出版地LAUSANNE
资助机构National Key Research and Development Program of China [2016YFC0500501] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31770501, 31370462]
作者邮箱cwxiao@muc.edu.cn
引用统计
被引频次:19[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/2S10CLM1/22307
专题植被与环境变化国家重点实验室
作者单位1.Minzu Univ China, Coll Life & Environm Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China
3.Texas A&M Univ, Dept Ecosys Sci & Management, College Stn, TX USA
4.Univ Chinese Acad Sci, Beijing, Peoples R China
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GB/T 7714
Xiao, Chunwang,Zhou, Yong,Su, Jiaqi,et al. Effects of Plant Functional Group Loss on Soil Microbial Community and Litter Decomposition in a Steppe Vegetation[J]. FRONTIERS IN PLANT SCIENCE,2017,8.
APA Xiao, Chunwang,Zhou, Yong,Su, Jiaqi,&Yang, Fan.(2017).Effects of Plant Functional Group Loss on Soil Microbial Community and Litter Decomposition in a Steppe Vegetation.FRONTIERS IN PLANT SCIENCE,8.
MLA Xiao, Chunwang,et al."Effects of Plant Functional Group Loss on Soil Microbial Community and Litter Decomposition in a Steppe Vegetation".FRONTIERS IN PLANT SCIENCE 8(2017).
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