干旱区生态环境知识资源中心(Arid): Effects of the Main Ecological Restoration Projects on Grassland Carbon Sequestration in Ningxia on the Loess Plateau

Arid

DOI	10.3389/fenvs.2022.908236
	Effects of the Main Ecological Restoration Projects on Grassland Carbon Sequestration in Ningxia on the Loess Plateau
	Ding, Jinmei; Mi, Wenbao; Wen, Qi; Luo, Anmeng; Hou, Kaiyuan; Wu, Xinyan; Xu, Hao
通讯作者	Mi, WB
来源期刊	FRONTIERS IN ENVIRONMENTAL SCIENCE
EISSN	2296-665X
出版年	2022
卷号	10
英文摘要	The temperate steppe experienced degradation and desertification as a result of long-term heavy grazing and excessive reclamation. Some major ecological projects, such as the Grain for Green Program (GGP) and Grazing Exclosure (GE), have been implemented to promote ecological restoration in grassland ecosystems. With the goal of carbon neutrality, the effects of the GGP and GE on grassland carbon sequestration need to be further explored. Based on soil data from the second soil survey in the 1980s, a field survey in 2021, and the land-use/land-cover datasets of 2000-2018, we characterized the changes in soil C stock following grazing exclosure, analyzed the effect of GGP on land-use changes and soil C accumulation, and then estimated the overall grassland carbon sequestration in Ningxia on the Loess Plateau of China. From 2000 to 2018, GE increased the grassland SOCD from 49.60 Mg ha(-1) to 90.71 Mg ha(-1), and the C stock increased by 65.55 T g. Under the influence of the GGP, 347.62 km(2) of cultivated land was converted into grasslands, increasing the grassland soil carbon sequestration by 1.31 T g. Subsequently, the grassland organic carbon storage increased by 66.86 T g, which accounted for approximately 4.26% of the grassland organic carbon storage in the Loess Plateau of China. In the southern Loess hilly area, which experienced high precipitation and low temperatures, grasslands increased by 95.55 km(2); the average organic carbon density increased 46.95 Mg ha(-1) due to a rate of increase of 2.61 Mg ha(-1) yr(-1); and the corresponding values for those in the middle arid zone were 36.25 Mg ha(-1) and 2.01 Mg ha(-1) yr(-1), with grasslands decreasing by 147.41 km(2). The follow-up policies of the GGP and GE should be implemented and improved according to local conditions to improve the carbon sink and ecological services in grassland ecosystems.
英文关键词	carbon sequestration grain for green program grazing exclosure grasslands Loess Plateau
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000817981200001
WOS关键词	SOIL ORGANIC-CARBON ; FOR-GREEN PROGRAM ; GRAZING EXCLUSION ; DESERT STEPPE ; PLANT DIVERSITY ; INNER-MONGOLIA ; CHINA GRAIN ; N POOLS ; STORAGE ; NITROGEN
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/392744
推荐引用方式 GB/T 7714	Ding, Jinmei,Mi, Wenbao,Wen, Qi,et al. Effects of the Main Ecological Restoration Projects on Grassland Carbon Sequestration in Ningxia on the Loess Plateau[J],2022,10.
APA	Ding, Jinmei.,Mi, Wenbao.,Wen, Qi.,Luo, Anmeng.,Hou, Kaiyuan.,...&Xu, Hao.(2022).Effects of the Main Ecological Restoration Projects on Grassland Carbon Sequestration in Ningxia on the Loess Plateau.FRONTIERS IN ENVIRONMENTAL SCIENCE,10.
MLA	Ding, Jinmei,et al."Effects of the Main Ecological Restoration Projects on Grassland Carbon Sequestration in Ningxia on the Loess Plateau".FRONTIERS IN ENVIRONMENTAL SCIENCE 10(2022).