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Ammonia emissions from soil under sheep grazing in Inner Mongolian grasslands of China

文献类型：期刊论文

作者Zhang, YunHai1; He, NianPeng4; Zhang, GuangMing; Huang, JianHui; Wang, QiBing; Pan, QingMin; Han, XingGuo3
刊名JOURNAL OF ARID LAND
出版日期2013
卷号5期号:2页码:155-165
关键词NH3 N emission grazing intensity stocking rate nitrogen cycle Inner Mongolia
ISSN号1674-6767
DOI10.1007/s40333-013-0149-z
文献子类Article
英文摘要Ammonia (NH3) emission and redeposition play a major role in terrestrial nitrogen (N) cycles and can also cause environmental problems, such as changes in biodiversity, soil acidity, and eutrophication. Previous field grazing experiments showed inconsistent (positive, neutral, and negative) NH3 volatilization from soils in response to varying grazing intensities. However, it remains unclear whether, or to what extent, NH3 emissions from soil are affected by increasing grazing intensities in Inner Mongolian grasslands. Using a 5-year grazing experiment, we investigated the relationship between NH3 volatilization from soil and grazing pressure (0.0, 3.0, 6.0, and 9.0 sheep/hm(2)) from June to September of 2009 and 2010 via the vented-chamber method. The results show that soil NH3 volatilization was not significantly different at different grazing intensities in 2009, although it was higher at the highest stocking rate during 2010. There was no significant linear relationship between soil NH3 volatilization rates and soil NH4+-N, but soil NH3 volatilization rates were significantly related to soil water content and air temperature. Grazing intensities had no significant influence on soil NH3 volatilization. Soil NH3 emissions from June to September (grazing period), averaged over all grazing intensities, were 9.6 +/- 0.2 and 19.0 +/- 0.2 kg N/hm(2) in 2009 and 2010, respectively. Moreover, linear equations describing monthly air temperature and precipitation showed a good fit to changes in soil NH3 emissions (r=0.506, P=0.014). Overall, grazing intensities had less influence than that of climatic factors on soil NH3 emissions. Our findings provide new insights into the effects of grazing on NH3 volatilization from soil in Inner Mongolian grasslands, and have important implications for understanding N cycles in grassland ecosystems and for estimating soil NH3 emissions on a regional scale.
学科主题Environmental Sciences
出版地HEIDELBERG
电子版国际标准刊号2194-7783
WOS关键词NITROGEN MINERALIZATION ; SURFACE APPLICATIONS ; CALCAREOUS SOILS ; N MINERALIZATION ; VOLATILIZATION ; TEMPERATURE ; STEPPE ; MODEL ; MANAGEMENT ; INTENSITY
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
语种英语
WOS记录号WOS:000318210600003
出版者SPRINGER HEIDELBERG
资助机构National Natural Science Foundation of China(National Natural Science Foundation of China (NSFC)) ; National Basic Research Program of China(National Basic Research Program of China) ; Innovative Research Group Project of the National Natural Science Foundation of China(National Natural Science Foundation of China (NSFC))
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/28130]  
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Synth Res Ctr Chinese Ecosyst Res Network, Beijing 100101, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, YunHai,He, NianPeng,Zhang, GuangMing,et al. Ammonia emissions from soil under sheep grazing in Inner Mongolian grasslands of China[J]. JOURNAL OF ARID LAND,2013,5(2):155-165.
APA Zhang, YunHai.,He, NianPeng.,Zhang, GuangMing.,Huang, JianHui.,Wang, QiBing.,...&Han, XingGuo.(2013).Ammonia emissions from soil under sheep grazing in Inner Mongolian grasslands of China.JOURNAL OF ARID LAND,5(2),155-165.
MLA Zhang, YunHai,et al."Ammonia emissions from soil under sheep grazing in Inner Mongolian grasslands of China".JOURNAL OF ARID LAND 5.2(2013):155-165.

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来源：植物研究所

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