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DOI10.1007/s11104-019-04022-z
Differential responses of litter decomposition to climate between wetland and upland ecosystems in China
Xie, Yajun2; Xie, Yonghong2; Xiao, Huayun1
发表日期2019
ISSN0032-079X
EISSN1573-5036
卷号440期号:1-2页码:1-9
英文摘要

Background and aims In upland ecosystems, climate and initial litter quality are the two major factors influencing decomposition rates regionally and globally. Litters are exposed to a different decomposition environment in wetlands than in upland ecosystems, but the driving factors of litter decomposition in wetlands at a large scale are still unclear.


Methods We established a comprehensive database of litter decomposition in China, including 249 datasets and 27 pairs of sites, to examine the controlling factors of decomposition in both wetland and upland ecosystems at the regional scale.


Results Both ecosystems showed similar climatic conditions, but the average litter decomposition potential was higher in wetlands than in upland ecosystems, as indicated by a higher initial K content and lower initial carbon content. The average decomposition rate in wetlands was almost 3 times higher than that in upland ecosystems. In both ecosystems, the decomposition rate increased with the mean annual temperature, mean annual precipitation, and initial N content. However, linear regressions of these variables with the decomposition rate indicated steeper slopes in wetlands than in upland ecosystems.


Conclusions The litter decomposition rate responded to climate and initial N content in both ecosystem types, but these responses were more rapid in wetlands than upland ecosystems. Wetland ecosystems should be given more attention when studying the responses of litter dynamics to future climate changes.


WOS研究方向Agriculture ; Plant Sciences
来源期刊PLANT AND SOIL
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/89804
作者单位1.East China Univ Technol, Jiangxi Prov Key Lab Causes & Control Atmospher P, Sch Water Resources & Environm Engn, State Key Lab Nucl Resources & Environm, 418 Guanglan Ave, Nanchang 330013, Jiangxi, Peoples R China;
2.Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China
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GB/T 7714
Xie, Yajun,Xie, Yonghong,Xiao, Huayun. Differential responses of litter decomposition to climate between wetland and upland ecosystems in China[J],2019,440(1-2):1-9.
APA Xie, Yajun,Xie, Yonghong,&Xiao, Huayun.(2019).Differential responses of litter decomposition to climate between wetland and upland ecosystems in China.PLANT AND SOIL,440(1-2),1-9.
MLA Xie, Yajun,et al."Differential responses of litter decomposition to climate between wetland and upland ecosystems in China".PLANT AND SOIL 440.1-2(2019):1-9.
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