Effect of grazing on wind driven carbon and nitrogen ratios in the grasslands of Inner Mongolia

文献类型： 外文期刊

第一作者： Hoffmann, Carsten

作者： Hoffmann, Carsten;Funk, Roger;Sommer, Michael;Li, Yong

作者机构：

关键词： grazing intensity;semi-arid grassland;wind erosion;dust storm;dust emission;dust deposition

期刊名称：CATENA （ 影响因子：5.198； 五年影响因子：5.594 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Wind erosion and dust storms are common phenomena in the semi-arid Xilingele grassland (Inner Mongolia) and contribute considerably to matter balances. Dust emission and dust deposition affect particles of the silt and clay fraction and the organic matter predominantly. the carriers for nutrients in soils. Based on wind erosion measurements in spring 2005 and 2006 the organic carbon and total nitrogen contents of dust were analyzed to determine the contribution of wind erosion processes on C- and N-ratios to the grasslands. Dust deposition is important for the C and N balance in semi-arid grasslands. Despite large differences in dust storm intensities. the C-org and N-t contents in the trapped sediments were in the same range for both years with 35.1-39.1 mg g(-1) (C-org) and 3.23-3.60 mg g(-1) (N-t). These contents were significantly higher than the average soil contents of C-org and N-t which were 24.5 mg g(-1) and 2.53 mg g(-1), respectively. Grazing intensity was the strongest influencing factor on material gains or losses and was reflected strongly in the vegetation conditions (vegetation height and vegetation coverage). A moderate grazing with 1 to 2 ewes per hectare was the grazing practice, in which dust deposition and dust emission were in equilibrium. Heavy grazing (> 2 ewes per hectare) resulted in average organic carbon and nitrogen losses of 4.8 kg ha(-1) (C-org) and 0.4 kg ha(-1) (N-t) in the spring 2005 and 89.8 kg ha(-1) (C-org) and 8.3 kg ha(-1) (N-t) in the spring 2006. Lightly grazed sites (< 1 ewe per hectare) gained between 14.7 and 52.7 kg ha(-1) C-org and 1.4 to 4.8 kg ha(-1) N-t in 2005 and 129 to 243 kg ha(-1) C-org and 11.9 to 22.3 kg ha(-1) N-t in 2006. The largest matter gain was measured at ungrazed sites with on average 238.9 kg ha(-1) C-org and 20.0 kg ha(-1) N-t in 2006.

分类号： S15

  • 相关文献

[1]Effects of grazing and topography on dust flux and deposition in the Xilingele grassland, Inner Mongolia. Hoffmann, C.,Funk, R.,Sommer, M.,Wieland, R.,Li, Y..

[2]Temporal variations in PM(10) and particle size distribution during Asian dust storms in Inner Mongolia. Hoffmann, Carsten,Funk, Roger,Sommer, Michael,Li, Yong. 2008

[3]Using Cs-137 to estimate wind erosion and dust deposition on grassland in Inner Mongolia-selection of a reference site and description of the temporal variability. Funk, Roger,Hoffmann, Carsten,Reiche, Matthias,Zhang, Zhuodong,Sommer, Michael,Li, Yong,Zhang, Zhuodong,Li, Junjie,Sommer, Michael.

[4]Dust storm erosion and its impact on soil carbon and nitrogen losses in northern China. Wang, XB,Enema, O,Hoogmed, WB,Perdok, UD,Cai, DX. 2006

[5]Assessment of extreme wind erosion and its impacts in Inner Mongolia, China. Hoffmann, Carsten,Funk, Roger,Reiche, Matthias,Li, Yong.

[6]Long-term effects of mowing on plasticity and allometry of Leymus chinensis in a temperate semi-arid grassland, China. Li Xiliang,Hou Xiangyang,Ren Weibo,Wu Xinhong,Baoyin, Taogetao,Liu Zhiying,Li Yaqiong,Xu Huimin,Badgery, Warwick. 2016

[7]Variation of sources and mixing mechanism of mineral dust with pollution aerosol - revealed by the two peaks of a super dust storm in Beijing. Zhao, Xiujuan,Zhuang, Guoshun,Wang, Zifa,Sun, Yele,Wang, Ying,Yuan, Hui. 2007

[8]Evaluating the Effects of Springtime Dust Storms over Beijing and the Associated Characteristics of Sub-Micron Aerosol. Xu, Peng,Jiang, Changsheng,Xu, Peng,Zhang, Junke,Ji, Dongsheng,Liu, Zirui,Tang, Guiqian,Hu, Bo,Wang, Yuesi. 2017

[9]Grazing primarily drives the relative abundance change of C-4 plants in the typical steppe grasslands across households at a regional scale. Zhang, Qing,Ma, Wenjing,Kang, Sarula,Niu, Jianming,Ding, Yong,Hou, Xiangyang,Li, Xiliang,Sarula,Zhang, Qing,Li, Xin,Niu, Jianming.

[10]Effects of livestock grazing on soil nitrogen mineralization on Hulunber meadow steppe, China. Yan, R.,Yang, G.,Chen, B.,Wang, X.,Yan, Y.,Xin, X.,Zhu, X.,Bai, K.,Li, L.,Rong, Y.,Hou, L..

[11]Grazing intensity and driving factors affect soil nitrous oxide fluxes during the growing seasons in the Hulunber meadow steppe of China. Yan, Ruirui,Tang, Huajun,Xin, Xiaoping,Chen, Baorui,Yan, Yunchun,Wang, Xu,Yang, Guixia,Murray, Philip J.. 2016

[12]Microbial dynamic changes under different grazing intensities in growing seasons of Desert steppe. He, Jing,Yang, Tingting,Shi, Tao. 2014

[13]Bacterial and Fungal Community Structures in Loess Plateau Grasslands with Different Grazing Intensities. Huhe,Huhe,Chen, Xianjiang,Hou, Fujiang,Wu, Yanpei,Cheng, Yunxiang. 2017

[14]Effect of eco-grass planting on soil and water conservation on the bare slope of mountainous area in Beijing. Sun Tiejun,Baderihu. 2012

[15]Primary factors influencing wind erosion of farmland in Wuchuan County, Inner Mongolia, China. He Wenqing,Yan Changrong,Zhao Caixia,Gao Wangsheng. 2007

[16]Quantitative effects of wind erosion on the soil texture and soil nutrients under different vegetation coverage in a semiarid steppe of northern China. Yan, Yuchun,Xin, Xiaoping,Wang, Xu,Yang, Guixia,Yan, Ruirui,Chen, Baorui,Yan, Yuchun,Xin, Xiaoping,Wang, Xu,Yang, Guixia,Yan, Ruirui,Chen, Baorui,Yan, Yuchun,Xin, Xiaoping,Wang, Xu,Yang, Guixia,Yan, Ruirui,Chen, Baorui,Xu, Xingliang.

[17]Identifying sensitive areas to wind erosion in the Xilingele grassland by computational fluid dynamics modelling. Zhang, Zhuodong,Reiche, Matthias,Funk, Roger,Hoffmann, Carsten,Sommer, Michael,Wieland, Ralf,Li, Yong,Sommer, Michael.

[18]Estimation of Sand Transportation Rate for Fixed and Semi-Fixed Dunes Using Meteorological Wind Data. Hu Xia,Liu Lian-You,Liu Mu-Xing,Hu Xia,Liu Lian-You,Liu Mu-Xing,Hu Xia,Li Shun-Jiang,Xiao Bi-Lin.

[19]Application of satellite remote sensing for mapping wind erosion risk and dust emission-deposition in Inner Mongolia grassland, China. Reiche, Matthias,Funk, Roger,Zhang, Zhuodong,Hoffmann, Carsten,Wehrhan, Marc,Sommer, Michael,Zhang, Zhuodong,Li, Yong,Reiche, Johannes,Sommer, Michael. 2012

[20]How much soil organic carbon sequestration is due to conservation agriculture reducing soil erosion?. Li, Yong,Yu, Hanqing,Zhou, Na,Chappell, Adrian,Funk, Roger.

作者其他论文 更多>>

微信小程序