Meta-analysis of the impacts of global change factors on soil microbial diversity and functionality

被引:653
作者
Zhou, Zhenghu [1 ,2 ]
Wang, Chuankuan [1 ,2 ]
Luo, Yiqi [3 ]
机构
[1] Northeast Forestry Univ, Ctr Ecol Res, Harbin 150040, Peoples R China
[2] Northeast Forestry Univ, Key Lab Sustainable Forest Ecosyst Management, Minist Educ, Harbin 150040, Peoples R China
[3] No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA
基金
中国国家自然科学基金;
关键词
ECOSYSTEM MULTIFUNCTIONALITY; ALTERED PRECIPITATION; BIODIVERSITY LOSS; COMMUNITIES; BACTERIAL; STOICHIOMETRY; RESISTANCE; RESPONSES; DRIVE; PH;
D O I
10.1038/s41467-020-16881-7
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Biodiversity on the Earth is changing at an unprecedented rate due to a variety of global change factors (GCFs). However, the effects of GCFs on microbial diversity is unclear despite that soil microorganisms play a critical role in biogeochemical cycling. Here, we synthesize 1235 GCF observations worldwide and show that microbial rare species are more sensitive to GCFs than common species, while GCFs do not always lead to a reduction in microbial diversity. GCFs-induced shifts in microbial alpha diversity can be predominately explained by the changed soil pH. In addition, GCF impacts on soil functionality are explained by microbial community structure and biomass rather than the alpha diversity. Altogether, our findings of GCF impacts on microbial diversity are fundamentally different from previous knowledge for well-studied plant and animal communities, and are crucial to policy-making for the conservation of microbial diversity hotspots under global changes. It is often assumed that various types of anthropogenic change reduce microbial diversity and function. Here, the authors do a meta-analysis showing that global change factors affect microbial diversity inconsistently; negative effects are most likely for global change factors that affect soil pH.
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页数:10
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