IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Short-term grazing exclusion has no impact on soil properties and nutrients of degraded alpine grassland in Tibet, China
Lu, X.1; Yan, Y.1; Sun, J.2; Zhang, X.3; Chen, Y.1; Wang, X.1; Cheng, G.1
Corresponding AuthorYan, Y.
2015
Source PublicationSOLID EARTH
ISSN1869-9510
EISSN1869-9529
Volume6Issue:4Pages:1195-1205
SubtypeArticle
AbstractSince the 1980s, alpine grasslands have been seriously degraded on the Tibetan Plateau. Grazing exclusion by fencing has been widely adopted to restore degraded grasslands. To clarify the effect of grazing exclusion on soil quality, we investigated soil properties and nutrients by comparing free-grazing (FG) and grazing exclusion (GE) grasslands in Tibet. Soil properties - including soil bulk density, pH, particle size distributions, and proportion of aggregates showed no significant difference between FG and GE plots. Soil organic carbon, soil available nitrogen, and available phosphorus contents did not differ with grazing exclusion treatments in both the 0-15 and 15-30 cm layer. However, soil total nitrogen and total phosphorus contents were remarkably reduced due to grazing exclusion at 0-15 cm depth. Furthermore, growing season temperature and/or growing season precipitation had significant effects on almost all soil property and nutrient indicators. This study demonstrates that grazing exclusion had no impact on most soil properties and nutrients in Tibet. Additionally, the potential shift of climate conditions should be considered when recommending any policy designed for restoration of degraded soil in alpine grasslands in the future. Nevertheless, because the results of the present study come from a short-term (6-8 years) grazing exclusion, the assessments of the ecological effects of the grazing exclusion management strategy on soil quality of degraded alpine grasslands in Tibet still need long-term continued research.
KeywordSoil Properties
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/se-6-1195-2015
WOS Subject ExtendedGeochemistry & Geophysics
Indexed BySCI
WOS KeywordORGANIC-MATTER ; INNER-MONGOLIA ; NORTHERN CHINA ; CARBON STOCKS ; NITROGEN MINERALIZATION ; LIVESTOCK EXCLUSION ; TEMPERATE STEPPE ; C STOCKS ; PLATEAU ; STORAGE
Language英语
Quartile3区
TOP
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000374540800007
Funding OrganizationNational Natural Science Foundation of China(41371267 ; Action Plan of the Chinese Academy of Sciences for Western Development(KZCX2-XB3-08) ; 135 Strategic Program of the Institute of Mountain Hazards and Environment(SDS-135-1203-03) ; 41201053)
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Cited Times:75[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17387
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Hohai Univ, Sch Publ Adm, Nanjing 210098, Jiangsu, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Lu, X.,Yan, Y.,Sun, J.,et al. Short-term grazing exclusion has no impact on soil properties and nutrients of degraded alpine grassland in Tibet, China[J]. SOLID EARTH,2015,6(4):1195-1205.
APA Lu, X..,Yan, Y..,Sun, J..,Zhang, X..,Chen, Y..,...&Cheng, G..(2015).Short-term grazing exclusion has no impact on soil properties and nutrients of degraded alpine grassland in Tibet, China.SOLID EARTH,6(4),1195-1205.
MLA Lu, X.,et al."Short-term grazing exclusion has no impact on soil properties and nutrients of degraded alpine grassland in Tibet, China".SOLID EARTH 6.4(2015):1195-1205.
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