IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Effects of exotic plantation forests on soil edaphon and organic matter fractions
Xu, Gang1; Liu, Yao1; Long, Zhijian1; Hu, Shanglian1; Zhang, Yuanbin2; Jiang, Hao2
2018-06-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume626Pages:59-68
SubtypeArticle
Contribution Rank2
AbstractThere is uncertainty and limited knowledge regarding soil microbial properties and organic matter fractions of natural secondary forest accompanying chemical environmental changes of replacement by pure alien plantation forests in a hilly area of southwest of Sichuan province China. The aimof this study was to evaluate the impact of natural secondary forest (NSF) to pure Cryptomeria fortunei forest (CFF) and Cunninghamia lanceolata forest (CLF) on soil organic fractions and microbial communities. The results showed that the soil total phospholipid fatty acids (PLFAs), total bacteria and fungi, microbial carbon pool, organic recalcitrant carbon (C) and (N) fractions, soil microbial quotient and labile and recalcitrant C use efficiencies in each pure plantation were significantly decreased, but their microbial N pool, labile C and N pools, soil carbon dioxide efflux, soil respiratory quotient and recalcitrant N use efficiency were increased. An RDA analysis revealed that soil total PLFAs, total bacteria and fungi and total Gram-positive and Gram-negative bacteria were significantly associated with exchangeable Al3+, exchangeable acid, Al3+, available P and Mg2+ and pH, which resulted into microbial functional changes of soil labile and recalcitrant substrate use efficiencies. Modified microbial C-and N-use efficiency due to forest conversion ultimately meets those of rapidly growing trees in plantation forests. Enlarged soil labile fractions and soil respiratory quotients in plantation forests would be a potential positive effect for C source in the future forest management. Altogether, pure plantation practices could provoke regulatory networks and functions of soil microbes and enzyme activities, consequently leading to differentiated utilization of soil organicmatter fractions accompanying the change in environmental factors. (C) 2018 Elsevier B.V. All rights reserved.
KeywordLand cover change Pure fast-growing plantation Phospholipid fatty acid Soil carbon and nitrogen-use efficiency
DOI10.1016/j.scitotenv.2018.01.088
Indexed BySCI
WOS KeywordMICROBIAL COMMUNITY STRUCTURE ; LAND-USE CONVERSION ; SUBTROPICAL AUSTRALIA ; CARBON DECOMPOSITION ; NITROGEN DEPOSITION ; ENZYME-ACTIVITIES ; SOUTHERN CHINA ; NATURAL FOREST ; MONTANE FOREST ; LOESS PLATEAU
Language英语
Funding ProjectMajor Project of Education Department of Sichuan Province[16ZA0145] ; National Key Basic Research Program of China[2012CB416901] ; National Natural Science Foundation of China[31400257] ; National Natural Science Foundation of China[31400333] ; National Natural Science Foundation of China[31360122] ; Engineering Research Centre for Biomass Resource Utilization and Modification of Sichuan Province[14tdgc05]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000428194000007
Funding OrganizationMajor Project of Education Department of Sichuan Province ; National Key Basic Research Program of China ; National Natural Science Foundation of China ; Engineering Research Centre for Biomass Resource Utilization and Modification of Sichuan Province
PublisherELSEVIER SCIENCE BV
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/22898
Collection山地表生过程与生态调控重点实验室
Corresponding AuthorXu, Gang
Affiliation1.Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Peoples R China;
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Xu, Gang,Liu, Yao,Long, Zhijian,et al. Effects of exotic plantation forests on soil edaphon and organic matter fractions[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018,626:59-68.
APA Xu, Gang,Liu, Yao,Long, Zhijian,Hu, Shanglian,Zhang, Yuanbin,&Jiang, Hao.(2018).Effects of exotic plantation forests on soil edaphon and organic matter fractions.SCIENCE OF THE TOTAL ENVIRONMENT,626,59-68.
MLA Xu, Gang,et al."Effects of exotic plantation forests on soil edaphon and organic matter fractions".SCIENCE OF THE TOTAL ENVIRONMENT 626(2018):59-68.
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