干旱区生态环境知识资源中心(Arid): Difference of soil carbon density under different grazing exclusion duration in Seriphidium transiliense desert with distinct degrees of degradation

Arid

DOI	10.1080/15324982.2020.1862360
	Difference of soil carbon density under different grazing exclusion duration in Seriphidium transiliense desert with distinct degrees of degradation
	Dong, Yiqiang; Yang, Helong; Sun, Zongjiu; An, Shazhou
通讯作者	Sun, ZJ ; An, SZ (corresponding author), Xinjiang Agr Univ, Coll Grassland & Environm Sci, Nongda East Rd 311, Urumqi 830052, Xinjiang, Peoples R China.
来源期刊	ARID LAND RESEARCH AND MANAGEMENT
ISSN	1532-4982
EISSN	1532-4990
出版年	2021
卷号	35 期号:2 页码:198-212
英文摘要	Overgrazing and continuous grazing give rise to considerable decreases in aboveground biomass and soil organic carbon. Grazing exclusion (GE) has been determined to be an effective approach to enhance the soil carbon storage of arid and semiarid grasslands in China. However, at present, there is no consensus regarding whether GE affects soil carbon, especially in desert regions with differing degrees of degradation. This paper examines the changes in soil organic carbon density (SOCD), easily oxidizable carbon density (EOCD) and microbial biomass carbon density (MBCD) in slightly degraded desert (SD) and moderately degraded desert (MD) after different periods of GE. The results indicate that GE did not significantly alter SOCD in SD, but GE caused SOCD to decrease by 12.7-25.6% in 0-20-cm soil depth in MD. EOCD and MBCD in all soil surface layers of SD first decreased and subsequently increased with increasing GE duration, whereas in the 0-20-cm soil layer of MD, these values increased linearly with increasing GE duration and aboveground biomass. Therefore, we proposed that carbon density was significantly different among distinctly degraded deserts, and we should consider the degree of degradation and the condition of desert regions before implementing GE.
英文关键词	Desert easily oxidizable carbon storage grazing exclusion microbial biomass carbon storage soil organic carbon storage
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000611945900001
WOS类目	Environmental Sciences ; Soil Science
WOS研究方向	Environmental Sciences & Ecology ; Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349584
作者单位	[Dong, Yiqiang; Yang, Helong; Sun, Zongjiu; An, Shazhou] Xinjiang Agr Univ, Coll Grassland & Environm Sci, Nongda East Rd 311, Urumqi 830052, Xinjiang, Peoples R China; [Dong, Yiqiang; Sun, Zongjiu; An, Shazhou] Key Lab Grassland Resources & Ecol Xinjiang, Urumqi, Peoples R China; [Dong, Yiqiang] Xinjiang Agr Univ, Postdoctoral Mobile Stn, Urumqi, Peoples R China
推荐引用方式 GB/T 7714	Dong, Yiqiang,Yang, Helong,Sun, Zongjiu,et al. Difference of soil carbon density under different grazing exclusion duration in Seriphidium transiliense desert with distinct degrees of degradation[J],2021,35(2):198-212.
APA	Dong, Yiqiang,Yang, Helong,Sun, Zongjiu,&An, Shazhou.(2021).Difference of soil carbon density under different grazing exclusion duration in Seriphidium transiliense desert with distinct degrees of degradation.ARID LAND RESEARCH AND MANAGEMENT,35(2),198-212.
MLA	Dong, Yiqiang,et al."Difference of soil carbon density under different grazing exclusion duration in Seriphidium transiliense desert with distinct degrees of degradation".ARID LAND RESEARCH AND MANAGEMENT 35.2(2021):198-212.