globalchange  > 气候变化与战略
DOI: 10.1111/geb.13017
论文题名:
Soil microbial biomass increases along elevational gradients in the tropics and subtropics but not elsewhere
作者: He X.; Hou E.; Veen G.F.; Ellwood M.D.F.; Dijkstra P.; Sui X.; Zhang S.; Wen D.; Chu C.
刊名: Global Ecology and Biogeography
ISSN: 1466822X
出版年: 2020
卷: 29, 期:2
语种: 英语
英文关键词: climate change ; elevation ; global warming ; meta-analysis ; soil microbial biomass ; soil organic carbon
Scopus关键词: carbon storage ; climate change ; concentration (composition) ; decomposition analysis ; environmental impact ; global warming ; meta-analysis ; microbial community ; nutrient cycling ; soil microorganism ; taxonomy
英文摘要: Aim: Our aim is to use elevational gradients to quantify the relationship between temperature and ecosystem functioning. Ecosystem functions such as decomposition, nutrient cycling and carbon storage are linked with the amount of microbial biomass in the soil. Previous studies have shown variable relationships between elevation and soil microbial biomass (SMB). Understanding the biological mechanisms linking SMB with elevational gradients will shed light on the environmental impacts of global warming. Location: Global. Time period: 2002–2018. Major taxa studied: Soil microbes. Method: We performed a global meta-analysis of the relationships between SMB and elevation. Data were collected from 59 studies of 73 elevational transects from around the world. Results: We found no consistent global relationship between SMB and elevation. SMB increased significantly with elevation in the tropics and subtropics, but not in other climate zones. However, we found consistent positive relationships between SMB, soil organic carbon and total nitrogen concentrations. Main conclusions: Our results suggest that global warming will impact tropical and subtropical ecosystems more severely than colder regions. Tropical ecosystems, already at risk from species extinctions, will likely experience declines in SMB as the climate warms, resulting in losses of fundamental ecosystem functions such as nutrient cycling and carbon storage. © 2019 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/159615
Appears in Collections:气候变化与战略

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作者单位: Department of Ecology, State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou, China; Guangdong Open Library of Geospatial Information Technology and Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou, China; Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China; Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands; Centre for Research in Biosciences, University of the West of England, Bristol, United Kingdom; Center for Ecosystem Science and Society and Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, United States; State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
He X.,Hou E.,Veen G.F.,et al. Soil microbial biomass increases along elevational gradients in the tropics and subtropics but not elsewhere[J]. Global Ecology and Biogeography,2020-01-01,29(2)
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