IB-CAS  > 植被与环境变化国家重点实验室
SHEEP GRAZING STIMULATED PLANT AVAILABLE SOIL NITRATE ACCUMULATION IN A TEMPERATE GRASSLAND
Feng, Jinchao4; Han, Xu1; He, Nianpeng2; Zhang, Yunhai; Zhou, Lishi; Han, Xingguo3
2015
Source PublicationPAKISTAN JOURNAL OF BOTANY
ISSN0556-3321
Volume47Issue:5Pages:1865-1874
AbstractWe investigated the effects of increasing grazing I ntensities on N availability (inorganic N, In-N, for plant and microbial growth, e.g., NO3--N, NH4+-N) and variability in soils of 0-10 cm depth during 2009-2010, within a framework of a long-term grazing study. The results showed that the relationship for grazing intensity with respect to soil NO3--N (R-2 = 0.988, P = 0.006) was well depicted by curvilinear equations. Moreover, soil NO3--N, NH4+-N and inorganic N varied significantly with sample date, year, and soil water content (SWC, %). There were also significant correlation between date and grazing intensities on soil NO3--N, NH4+-N and In-N. SWC and temperature had more impact on soil available N than grazing, especially with respect to the seasonal dynamics of the soil N pool. Grazing intensity, in combination with SWC (precipitation) and temperature, controlled soil N availability and, therefore, affect the N cycles and plant growth within semiarid grasslands.
KeywordGrassland N availability N cycle Sheep Soil moisture Stocking rate
Subject AreaPlant Sciences
Indexed BySCI
Language英语
WOS KeywordNITROGEN MINERALIZATION ; INNER-MONGOLIA ; SEMIARID GRASSLAND ; MICROBIAL BIOMASS ; N MINERALIZATION ; SPECIES LOSS ; INTENSITY ; STEPPE ; IMPACTS ; CARBON
WOS Research AreaScience Citation Index Expanded (SCI-EXPANDED)
WOS IDWOS:000364339500034
PublisherPAKISTAN BOTANICAL SOC
SubtypeArticle
Publication PlaceKARACHI
EISSN2070-3368
Funding OrganizationNational Natural Science Foundation of China [31300384] ; China Postdoctoral Science Foundation [2014M560134]
Corresponding Author Emailzhangyh670@ibcas.ac.cn ; xghan@ibcas.ac.cn
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Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/25679
Collection植被与环境变化国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Shandong Agr Univ, Coll Forestry, Tai An 271018, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110016, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Feng, Jinchao,Han, Xu,He, Nianpeng,et al. SHEEP GRAZING STIMULATED PLANT AVAILABLE SOIL NITRATE ACCUMULATION IN A TEMPERATE GRASSLAND[J]. PAKISTAN JOURNAL OF BOTANY,2015,47(5):1865-1874.
APA Feng, Jinchao,Han, Xu,He, Nianpeng,Zhang, Yunhai,Zhou, Lishi,&Han, Xingguo.(2015).SHEEP GRAZING STIMULATED PLANT AVAILABLE SOIL NITRATE ACCUMULATION IN A TEMPERATE GRASSLAND.PAKISTAN JOURNAL OF BOTANY,47(5),1865-1874.
MLA Feng, Jinchao,et al."SHEEP GRAZING STIMULATED PLANT AVAILABLE SOIL NITRATE ACCUMULATION IN A TEMPERATE GRASSLAND".PAKISTAN JOURNAL OF BOTANY 47.5(2015):1865-1874.
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