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ametaanalysisoftheeffectsofwarmingandelevatedco2onsoilmicrobes
Fu Gang; Zhang Haorui; Li Shaowei; Sun Wei
2019
Source Publicationjournalofresourcesandecology
ISSN1674-764X
Volume10Issue:1Pages:69
AbstractSoil microbes play important roles in terrestrial ecosystem carbon and nitrogen cycling. Climatic warming and elevated CO_2 are two aspects of climatic change. In this study, we used a meta-analysis approach to synthesise observations related to the effects of warming and elevated CO_2 on soil microbial biomass and community structure. Ecosystem types were mainly grouped into forests and grasslands. Warming methods included open top chambers and infrared radiators. Experimental settings included all-day warming, daytime warming and nighttime warming. Warming increased soil actinomycetes and saprotrophic fungi, while elevated CO_2 decreased soil gram-positive bacteria (G~+). Mean annual temperature and mean annual precipitation were negatively correlated with warming effects on gram-negative bacteria (G~-) and total phospholipid fatty acid (PLFA), respectively. Elevation was positively correlated with the warming effect on total PLFA, bacteria, G~+ and G~-. Grassland exhibited a positive response of total PLFA and actinomycetes to warming, while forest exhibited a positive response in the ratio of soil fungi to bacteria (F/B ratio) to warming. The open top chamber method increased G~-, while the infrared radiator method decreased the F/B ratio. Daytime warming rather than all-day warming increased G~-. Our findings indicated that the effects of warming on soil microbes differed with ecosystem types, warming methods, warming times, elevation and local climate conditions.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/79118
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Fu Gang,Zhang Haorui,Li Shaowei,et al. ametaanalysisoftheeffectsofwarmingandelevatedco2onsoilmicrobes[J]. journalofresourcesandecology,2019,10(1):69.
APA Fu Gang,Zhang Haorui,Li Shaowei,&Sun Wei.(2019).ametaanalysisoftheeffectsofwarmingandelevatedco2onsoilmicrobes.journalofresourcesandecology,10(1),69.
MLA Fu Gang,et al."ametaanalysisoftheeffectsofwarmingandelevatedco2onsoilmicrobes".journalofresourcesandecology 10.1(2019):69.
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