High carbon dioxide uptake by subtropical forest ecosystems in the East Asian monsoon region
Yu, GR; Chen, Zhi(陈智); Piao, SL; Peng, CH; Ciais, P; Wang, QF; Li, XR; Zhu, XJ
2014
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume111Issue:13Pages:4910-4915
Corresponding AuthorYu, GR
Abstract

Temperate- and high-latitude forests have been shown to contribute a carbon sink in the Northern Hemisphere, but fewer studies have addressed the carbon balance of the subtropical forests. In the present study, we integrated eddy covariance observations established in the 1990s and 2000s to show that East Asian monsoon subtropical forests between 20 degrees N and 40 degrees N represent an average net ecosystem productivity (NEP) of 362 +/- 39 g C m(-2) yr(-1) (mean +/- 1 SE). This average forest NEP value is higher than that of Asian tropical and temperate forests and is also higher than that of forests at the same latitudes in Europe-Africa and North America. East Asian monsoon subtropical forests have comparable NEP to that of subtropical forests of the southeastern United States and intensively managed Western European forests. The total NEP of East Asian monsoon subtropical forests was estimated to be 0.72 +/- 0.08 Pg C yr(-1), which accounts for 8% of the global forest NEP. This result indicates that the role of subtropical forests in the current global carbon cycle cannot be ignored and that the regional distributions of the Northern Hemisphere's terrestrial carbon sinks are needed to be reevaluated. The young stand ages and high nitrogen deposition, coupled with sufficient and synchronous water and heat availability, may be the primary reasons for the high NEP of this region, and further studies are needed to quantify the contribution of each underlying factor.

Indexed BySCI
Funding OrganizationNational Key Research and Development Program 2010CB833504;Chinese Academy of Sciences Strategic Priority Research Program XDA05050602;Key Program of National Natural Science Foundation of China 31290221
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/28811
Collection生态系统网络观测与模拟院重点实验室_生态系统综合研究中心
Recommended Citation
GB/T 7714
Yu, GR,Chen, Zhi,Piao, SL,et al. High carbon dioxide uptake by subtropical forest ecosystems in the East Asian monsoon region[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2014,111(13):4910-4915.
APA Yu, GR.,Chen, Zhi.,Piao, SL.,Peng, CH.,Ciais, P.,...&Zhu, XJ.(2014).High carbon dioxide uptake by subtropical forest ecosystems in the East Asian monsoon region.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,111(13),4910-4915.
MLA Yu, GR,et al."High carbon dioxide uptake by subtropical forest ecosystems in the East Asian monsoon region".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 111.13(2014):4910-4915.
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