globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13011
论文题名:
Plant diversity drives soil microbial biomass carbon in grasslands irrespective of global environmental change factors
作者: Thakur M.P.; Milcu A.; Manning P.; Niklaus P.A.; Roscher C.; Power S.; Reich P.B.; Scheu S.; Tilman D.; Ai F.; Guo H.; Ji R.; Pierce S.; Ramirez N.G.; Richter A.N.; Steinauer K.; Strecker T.; Vogel A.; Eisenhauer N.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2015
卷: 21, 期:11
起始页码: 4076
结束页码: 4085
语种: 英语
英文关键词: Biodiversity loss ; Carbon dynamics ; Drought ; Long-term experiments ; Microbial activity ; Plant biomass
Scopus关键词: biomass ; carbon dioxide enrichment ; environmental factor ; global change ; grassland ; microbial activity ; plant community ; soil carbon ; soil microorganism ; species diversity ; Embryophyta ; carbon ; biodiversity ; biomass ; climate change ; drought ; grassland ; meta analysis ; metabolism ; microbiology ; plant ; Biodiversity ; Biomass ; Carbon ; Climate Change ; Droughts ; Grassland ; Plants ; Soil Microbiology
英文摘要: Soil microbial biomass is a key determinant of carbon dynamics in the soil. Several studies have shown that soil microbial biomass significantly increases with plant species diversity, but it remains unclear whether plant species diversity can also stabilize soil microbial biomass in a changing environment. This question is particularly relevant as many global environmental change (GEC) factors, such as drought and nutrient enrichment, have been shown to reduce soil microbial biomass. Experiments with orthogonal manipulations of plant diversity and GEC factors can provide insights whether plant diversity can attenuate such detrimental effects on soil microbial biomass. Here, we present the analysis of 12 different studies with 14 unique orthogonal plant diversity × GEC manipulations in grasslands, where plant diversity and at least one GEC factor (elevated CO2, nutrient enrichment, drought, earthworm presence, or warming) were manipulated. Our results show that higher plant diversity significantly enhances soil microbial biomass with the strongest effects in long-term field experiments. In contrast, GEC factors had inconsistent effects with only drought having a significant negative effect. Importantly, we report consistent non-significant effects for all 14 interactions between plant diversity and GEC factors, which indicates a limited potential of plant diversity to attenuate the effects of GEC factors on soil microbial biomass. We highlight that plant diversity is a major determinant of soil microbial biomass in experimental grasslands that can influence soil carbon dynamics irrespective of GEC. © 2015 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61656
Appears in Collections:影响、适应和脆弱性

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作者单位: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, Germany; Institute of Biology, University of Leipzig, Johannisallee 21, Leipzig, Germany; CNRS, Ecotron - UPS 3248, Campus Baillarguet, Montferrier-sur-Lez, France; CNRS, Centre Centre d'Ecologie Fonctionnelle et Evolutive (CEFE, UMR-5175), 1919 Route de Mende, Montpellier, France; Institute of Plant Sciences, University of Bern, Altenbergrain 21, Bern, Switzerland; Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland; UFZ, Helmholtz Centre for Environmental Research, Community Ecology, Theodor-Lieser-Strasse 4, Halle, Germany; Department of Life Sciences, Imperial College London, Silwood Park, Ascot, Berkshire, United Kingdom; Hawkesbury Institute for the Environment, University of Western Sydney, Locked Bag 1797, Penrith, NSW, Australia; Department of Forest Resources, University of Minnesota, 1530 North Cleveland Avenue, St. Paul, MN, United States; J.F. Blumenbach Institute of Zoology and Anthropology, Georg August University Göttingen, Berliner Strasse 28, Göttingen, Germany; Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, MN, United States; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Xianlin Avenue 163, Nanjing, China; Institute of Ecology, Friedrich Schiller University Jena, Dornburger Str. 159, Jena, Germany

Recommended Citation:
Thakur M.P.,Milcu A.,Manning P.,et al. Plant diversity drives soil microbial biomass carbon in grasslands irrespective of global environmental change factors[J]. Global Change Biology,2015-01-01,21(11)
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