IB-CAS  > 植被与环境变化国家重点实验室
The carbon sequestration potential of China's grasslands
Song, Jian; Wan, Shiqiang1; Peng, Shushi2; Piao, Shilong2; Ciais, Philippe2,3; Han, Xingguo1; Zeng, De-Hui; Cao, Guangmin5; Wang, Qibing1; Bai, Wenming1; Liu, Lingli1
2018
发表期刊ECOSPHERE
ISSN2150-8925
卷号9期号:10
摘要With the consequences of anthropogenic activities such as overgrazing and cropland expansion, grasslands in China suffer severe degradation since the 1980s. The national grassland restoration policy enacted at the beginning of the 21th century has the potential to increase plant growth and productivity and hence regional carbon (C) sequestration. Here, we assessed plant and soil organic C (SOC) stocks for both degraded and restored/non-degraded plots at 802 sites in Northern and Northwest China using pairwise field sampling and quantified the C sequestration potential (CSP) of China's grasslands. A geostatistical model was performed to upscale the field measurements to national scale. Averaged across the 802 paired grassland sites, the mean plant biomass C and SOC density in the top 1 m depth were 0.44 +/- 0.17 and 8.82 +/- 1.78 kg C/m(2), respectively. Compared to the degraded grasslands, the restored grasslands had an average of 0.11 +/- 0.17 (29.2%) and 1.02 +/- 1.28 kg C/m(2) (12.3%) greater plant biomass C and SOC density, respectively. The geostatistical model produced a total CSP of 17.3 +/- 2.3 Pg C in China's grasslands, with 94% in soils. If the CSP estimated in this study could be achieved, the current grassland SOC stock would increase by 61%, offsetting 11 yr (2000-2010) of national fossil CO2 emissions.
关键词carbon cycling degraded grasslands Grain for Green Project grassland management pairwise field sampling restored grasslands
学科领域Ecology
DOI10.1002/ecs2.2452
收录类别SCI
语种英语
WOS关键词SOIL ORGANIC-CARBON ; LAND-USE CHANGE ; TERRESTRIAL ECOSYSTEMS ; GRAZING EXCLUSION ; INORGANIC CARBON ; TIBETAN GRASSLANDS ; GREEN PROGRAM ; STOCKS ; STORAGE ; DEGRADATION
WOS记录号WOS:000449566200029
出版者WILEY
文献子类Article
出版地HOBOKEN
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31430015] ; Chinese Academy of SciencesChinese Academy of Sciences [KZCX2-YW-Q1-06]
作者邮箱swan@ibcas.ac.cn
作品OA属性Green Published, gold
引用统计
被引频次:17[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/2S10CLM1/20361
专题植被与环境变化国家重点实验室
作者单位1.Hebei Univ, Coll Life Sci, Baoding 071002, Hebei, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
4.UMRCEA CNRS, LSCE, CE, Batiment 709, F-91191 Gif Sur Yvette, France
5.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
6.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810008, Qinghai, Peoples R China
推荐引用方式
GB/T 7714
Song, Jian,Wan, Shiqiang,Peng, Shushi,et al. The carbon sequestration potential of China's grasslands[J]. ECOSPHERE,2018,9(10).
APA Song, Jian.,Wan, Shiqiang.,Peng, Shushi.,Piao, Shilong.,Ciais, Philippe.,...&Liu, Lingli.(2018).The carbon sequestration potential of China's grasslands.ECOSPHERE,9(10).
MLA Song, Jian,et al."The carbon sequestration potential of China's grasslands".ECOSPHERE 9.10(2018).
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