Arid
DOI10.1007/s40333-013-0207-6
Effects of fencing on vegetation and soil restoration in a degraded alkaline grassland in northeast China
Li, Qiang1,2; Zhou, DaoWei1; Jin, YingHua3; Wang, MinLing1; Song, YanTao1; Li, GuangDi4,5
通讯作者Zhou, DaoWei
来源期刊JOURNAL OF ARID LAND
ISSN1674-6767
EISSN2194-7783
出版年2014
卷号6期号:4页码:478-487
英文摘要

In order to restore a degraded alkaline grassland, the local government implemented a large restoration project using fences in Changling county, Jilin province, China, in 2000. Grazing was excluded from the protected area, whereas the grazed area was continuously grazed at 8.5 dry sheep equivalent (DSE)/hm(2). In the current research, soil and plant samples were taken from grazed and fenced areas to examine changes in vegetation and soil properties in 2005, 2006 and 2008. Results showed that vegetation characteristics and soil properties improved significantly in the fenced area compared with the grazed area. In the protected area the vegetation cover, height and above- and belowground biomass increased significantly. Soil pH, electrical conductivity and bulk density decreased significantly, but soil organic carbon and total nitrogen concentration increased greatly in the protected area. By comparing the vegetation and soil characteristics with pre-degraded grassland, we found that vegetation can recover 6 years after fencing, and soil pH can be restored 8 years after fencing. However, the restoration of soil organic carbon, total nitrogen and total phosphorus concentrations needed 16, 30 and 19 years, respectively. It is recommended that the stocking rate should be reduced to 1/3 of the current carrying capacity, or that a grazing regime of 1-year of grazing followed by a 2-year rest is adopted to sustain the current status of vegetation and soil resources. However, if N fertilizer is applied, the rest period could be shortened, depending on the rate of application.


英文关键词vegetation and soil restoration fencing grazing alkaline soil semi arid region grassland degradation
类型Article
语种英语
国家Peoples R China ; Australia
收录类别SCI-E
WOS记录号WOS:000334995200011
WOS关键词INNER-MONGOLIA ; SANDY GRASSLAND ; SONGNEN PLAIN ; COMMUNITY ; LAND ; DESERTIFICATION ; DEGRADATION ; CULTIVATION ; ECOSYSTEMS ; MANAGEMENT
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/2XILL650/183088
作者单位1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
3.NE Normal Univ, Sch Geog Sci, Changchun 130012, Peoples R China;
4.New South Wales Dept Primary Ind, Graham Ctr Agr Innovat, Wagga, NSW 2650, Australia;
5.Charles Sturt Univ, Wagga, NSW 2650, Australia
推荐引用方式
GB/T 7714
Li, Qiang,Zhou, DaoWei,Jin, YingHua,et al. Effects of fencing on vegetation and soil restoration in a degraded alkaline grassland in northeast China[J],2014,6(4):478-487.
APA Li, Qiang,Zhou, DaoWei,Jin, YingHua,Wang, MinLing,Song, YanTao,&Li, GuangDi.(2014).Effects of fencing on vegetation and soil restoration in a degraded alkaline grassland in northeast China.JOURNAL OF ARID LAND,6(4),478-487.
MLA Li, Qiang,et al."Effects of fencing on vegetation and soil restoration in a degraded alkaline grassland in northeast China".JOURNAL OF ARID LAND 6.4(2014):478-487.
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