首页|Afforestation increases microbial diversity in low-carbon soils
Afforestation increases microbial diversity in low-carbon soils
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Afforestation has an important role in biodi-versity conservation and ecosystem function improvement.A meta-analysis was carried out in China,which has the largest plantation area globally,to quantify the effects of plantings on soil microbial diversity.The results showed that the overall effect of afforestation on soil microbial diversity was positive across the country.Random forest algorithm suggested that soil carbon was the most important factor regulating microbial diversity and the positive response was only found with new plantings on low-carbon bare lands but not on high-carbon farmlands and grasslands.In addition,afforestation with broadleaved species increased microbial diversity,whereas planting with conifers had no effect on microbial diversity.This study clarified the effects of plant-ings on soil microbial diversity,which has an important implication for establishing appropriate policies and prac-tices to improve the multiple functionalities(e.g.,biodiver-sity conservation and climate change mitigation)during plantation establishment.
Center for Ecological Research,Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education,Northeast Forestry University,Harbin 150040,People's Republic of China
Northeast Asia Biodiversity Research Center,Northeast Forestry University,Harbin 150040,People's Republic of China
State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Northwest A&F University,Yangling 712100,People's Republic of China
National Key Research and Development Program of ChinaNational Natural Science Foundation of China
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