Effects of nitrogen addition on microbial residues and their contribution to soil organic carbon in China's forests from tropical to boreal zone

doi:10.1016/j.envpol.2020.115941

	Effects of nitrogen addition on microbial residues and their contribution to soil organic carbon in China's forests from tropical to boreal zone
	Ma, Suhui ; Chen, Guoping ; Du, Enzai 1; Tian, Di 2; Xing, Aijun 3; Shen, Haihua 3; Ji, Chengjun ; Zheng, Chengyang ; Zhu, Jianxiao 4; Zhu, Jiangling ; Huang, Hanyue ; He, Hongbo 5; Zhu, Biao ; Fang, Jingyun
	2021
发表期刊	ENVIRONMENTAL POLLUTION
ISSN	0269-7491
卷号	268
摘要	Atmospheric nitrogen (N) deposition has a significant influence on soil organic carbon (SOC) accumulation in forest ecosystems. Microbial residues, as by-products of microbial anabolism, account for a significant fraction of soil C pools. However, how N deposition affects the accumulation of soil microbial residues in different forest biomes remains unclear. Here, we investigated the effects of six/seven-year N additions on microbial residues (amino sugar biomarkers) in eight forests from tropical to boreal zone in eastern China. Our results showed a minor change in the soil microbial residue concentrations but a significant change in the contribution of microbial residue-C to SOC after N addition. The contribution of fungal residue-C to SOC decreased under low N addition (50 kg N ha(-1) yr(-1)) in the tropical secondary forest (-19%), but increased under high N addition (100 kg N ha(-1) yr(-1)) in the temperate Korean pine mixed forest (+21%). The contribution of bacterial residue-C to SOC increased under the high N addition in the subtropical Castanopsis carlesii forest (+26%) and under the low N addition in the temperate birch forest (+38%), respectively. The responses of microbial residue-C in SOC to N addition depended on the changes in soil total N concentration and fungi to bacteria ratio under N addition and climate. Taken together, these findings provide the experimental evidence that N addition diversely regulates the formation and composition of microbial-derived C in SOC in forest ecosystems. (C) 2020 Elsevier Ltd. All rights reserved.
关键词	Nitrogen deposition Fertilization Amino sugars Microbial biomass Microbial necromass Soil nitrogen
学科领域	Environmental Sciences
DOI	10.1016/j.envpol.2020.115941
收录类别	SCI
语种	英语
WOS关键词	EXTRACELLULAR ENZYME-ACTIVITIES ; LITTER DECOMPOSITION ; PHOSPHORUS ADDITIONS ; FUNGAL RESIDUES ; MURAMIC ACID ; AMINO-SUGARS ; DEPOSITION ; METAANALYSIS ; COMMUNITIES ; RESPONSES
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000600560400107
出版者	ELSEVIER SCI LTD
文献子类	Article
出版地	OXFORD
EISSN	1873-6424
资助机构	National Key Research and Development Program of China [2017YFC0503903] ; National Natural Science Foundation of China [31988102] ; China Postdoctoral Science Foundation [2018M631247] ; CAS Interdisciplinary Innovation Team
作者邮箱	jyfang@urban.pku.edu.cn
引用统计	被引频次：29[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/26812
专题	植被与环境变化国家重点实验室
作者单位	1.Peking Univ, Coll Urban & Environm Sci, Inst Ecol, Key Lab Earth Surface Proc,Minist Educ, Beijing 100871, Peoples R China 2.Beijing Normal Univ, Fac Geog Sci, Sch Nat Resources, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China 3.Capital Normal Univ, Coll Life Sci, Beijing 100048, Peoples R China 4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 5.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730000, Peoples R China 6.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Ma, Suhui,Chen, Guoping,Du, Enzai,et al. Effects of nitrogen addition on microbial residues and their contribution to soil organic carbon in China's forests from tropical to boreal zone[J]. ENVIRONMENTAL POLLUTION,2021,268.
APA	Ma, Suhui.,Chen, Guoping.,Du, Enzai.,Tian, Di.,Xing, Aijun.,...&Fang, Jingyun.(2021).Effects of nitrogen addition on microbial residues and their contribution to soil organic carbon in China's forests from tropical to boreal zone.ENVIRONMENTAL POLLUTION,268.
MLA	Ma, Suhui,et al."Effects of nitrogen addition on microbial residues and their contribution to soil organic carbon in China's forests from tropical to boreal zone".ENVIRONMENTAL POLLUTION 268(2021).

条目包含的文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
1-s2.0-S026974912036（2370KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览请求全文