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Estimates of carbon storage in grassland ecosystems on the Loess Plateau
Wang, Yinyin1,2,3; Deng, Lei4; Wu, Gaolin4; Wang, Kaibo5; Shangguan, Zhouping1,2
2018-05-01
发表期刊CATENA
卷号164期号:2018页码:23-31
文章类型Article
摘要Grassland ecosystems play an important role in the carbon (C) balance of arid and semi-arid regions. These ecosystems provide C for grass growth and soil microbial activities and represent one of the main sources of atmospheric C. In this study, we estimated the C density and storage of 223 sampling sites in grassland ecosystems on the Loess Plateau using elevation, vegetation indexes, precipitation, air temperature, day and night land surface temperature (LSTd and LSTn, respectively), evapotranspiration (ET), percent tree cover and the non-vegetated area to build decision regression tree and generalized linear regression models (GLMs). The results showed that the C density decreased from south to north and ranged from 0.22 to 29.29 kg C/m(2). The average amount of C stored in the ecosystems was 1.46 Pg. The typical steppe and forest steppe stored the most C, and the steppe desert stored the least. The soil (0-1 m) stored most of the organic C, accounting for > 90%, and the belowground biomass (BGB) contained > 3 times the amount of C as the aboveground biomass (AGB). This study provides reference information for the loss of C and associated mitigation strategies on the Loess Plateau.
关键词Decision Tree Linear Model Biomass Carbon Grassland Ecosystems
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.catena.2018.01.007
关键词[WOS]TEMPERATE GRASSLANDS ; SOIL PROPERTIES ; DECISION TREE ; SPATIAL PREDICTION ; ORGANIC-CARBON ; CHINA ; REGRESSION ; BALANCE ; IMPACT ; CLASSIFICATION
收录类别SCI
语种英语
WOS研究方向Geology ; Agriculture ; Water Resources
WOS类目Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS记录号WOS:000430031800003
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5217
专题生态环境研究室
作者单位1.Chinese Acad Sci, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
2.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
5.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710061, Shaanxi, Peoples R China
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Wang, Yinyin,Deng, Lei,Wu, Gaolin,et al. Estimates of carbon storage in grassland ecosystems on the Loess Plateau[J]. CATENA,2018,164(2018):23-31.
APA Wang, Yinyin,Deng, Lei,Wu, Gaolin,Wang, Kaibo,&Shangguan, Zhouping.(2018).Estimates of carbon storage in grassland ecosystems on the Loess Plateau.CATENA,164(2018),23-31.
MLA Wang, Yinyin,et al."Estimates of carbon storage in grassland ecosystems on the Loess Plateau".CATENA 164.2018(2018):23-31.
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