Soil Characteristic Comparison of Fenced and Grazed Riparian Floodplain Wetlands in the Typical Steppe Region of the Inner Mongolian Plateau, China
Wang, Lixin1; Liu, Huamin2; Liu, Yuhong1,3; Li, Jianwei1,4; Shao, Hongbo3; Wang, Wei2; Liang, Cunzhu2; Liu, YH (reprint author), Inner Mongolia Univ, Coll Environm & Resources, Hohhot 010021, Peoples R China. yhliu@yic.ac.cn; shaohongbochu@126.com
发表期刊SCIENTIFIC WORLD JOURNAL
ISSN1537-744X
2014
页码765907
关键词Intermountain Depressional Wetlands Yellow-river Delta Organic-carbon Primary Productivity Vegetation Structure Physical-properties Microbial Biomass Grazing Intensity Plant-communities Alpine Wetland
DOI10.1155/2014/765907
产权排序[Wang, Lixin; Liu, Yuhong; Li, Jianwei] Inner Mongolia Univ, Coll Environm & Resources, Hohhot 010021, Peoples R China; [Liu, Huamin; Wang, Wei; Liang, Cunzhu] Inner Mongolia Univ, Coll Life Sci, Hohhot 010021, Peoples R China; [Liu, Yuhong; Shao, Hongbo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Li, Jianwei] BERIS Engn & Res Corp, Baotou 014010, Peoples R China
作者部门中科院海岸带环境过程与生态修复重点实验室
英文摘要In recent decades, degradation of ecosystem in the steppe region of the Inner Mongolia Plateau, especially in riparian floodplain wetlands, has become a significant ecological crisis. Not uncommonly, with the increasing of livestock in the Inner Mongolian steppe region, a riparian floodplain wetland is becoming a hotspot area of grazing for local herdsmen. Hence, it is essential to understand degradation mechanisms of riparian floodplain wetland ecosystems caused by extensive grazing. In this study, the spatial distribution of soil compaction, salinity, total nitrogen, total phosphorus, organic carbon, and microbial biomass C and N were investigated. The results showed that grazing led to an increase in soil compaction and soil surface salinity, which significantly lowered levels of total N, P, and TOC in the soil surface. Grazing decreased soil microbial biomass C and N concentration in the lower riparian floodplain wetland, whereas it significantly increased soil microbial biomass C and N concentration in the higher riparian floodplain wetland. Elevation differences in the riparian floodplain wetland increased spatial heterogeneity in the soil and thus resulted in different influence of grazing on wetland soils and ecosystem. Therefore, elevation differences and grazing intensity were the main factors controlling soil characteristics in the riparian floodplain wetland of this region.; In recent decades, degradation of ecosystem in the steppe region of the Inner Mongolia Plateau, especially in riparian floodplain wetlands, has become a significant ecological crisis. Not uncommonly, with the increasing of livestock in the Inner Mongolian steppe region, a riparian floodplain wetland is becoming a hotspot area of grazing for local herdsmen. Hence, it is essential to understand degradation mechanisms of riparian floodplain wetland ecosystems caused by extensive grazing. In this study, the spatial distribution of soil compaction, salinity, total nitrogen, total phosphorus, organic carbon, and microbial biomass C and N were investigated. The results showed that grazing led to an increase in soil compaction and soil surface salinity, which significantly lowered levels of total N, P, and TOC in the soil surface. Grazing decreased soil microbial biomass C and N concentration in the lower riparian floodplain wetland, whereas it significantly increased soil microbial biomass C and N concentration in the higher riparian floodplain wetland. Elevation differences in the riparian floodplain wetland increased spatial heterogeneity in the soil and thus resulted in different influence of grazing on wetland soils and ecosystem. Therefore, elevation differences and grazing intensity were the main factors controlling soil characteristics in the riparian floodplain wetland of this region.
文章类型Article
资助机构Science & Technology - Other Topics
收录类别SCI
语种英语
关键词[WOS]INTERMOUNTAIN DEPRESSIONAL WETLANDS ; YELLOW-RIVER DELTA ; ORGANIC-CARBON ; PRIMARY PRODUCTIVITY ; VEGETATION STRUCTURE ; PHYSICAL-PROPERTIES ; MICROBIAL BIOMASS ; GRAZING INTENSITY ; PLANT-COMMUNITIES ; ALPINE WETLAND
研究领域[WOS]Science & Technology - Other Topics
WOS记录号WOS:000336572000001
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/8787
专题中国科学院海岸带环境过程与生态修复重点实验室
通讯作者Liu, YH (reprint author), Inner Mongolia Univ, Coll Environm & Resources, Hohhot 010021, Peoples R China. yhliu@yic.ac.cn; shaohongbochu@126.com
作者单位1.Inner Mongolia Univ, Coll Environm & Resources, Hohhot 010021, Peoples R China
2.Inner Mongolia Univ, Coll Life Sci, Hohhot 010021, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
4.BERIS Engn & Res Corp, Baotou 014010, Peoples R China
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Wang, Lixin,Liu, Huamin,Liu, Yuhong,et al. Soil Characteristic Comparison of Fenced and Grazed Riparian Floodplain Wetlands in the Typical Steppe Region of the Inner Mongolian Plateau, China[J]. SCIENTIFIC WORLD JOURNAL,2014:765907.
APA Wang, Lixin.,Liu, Huamin.,Liu, Yuhong.,Li, Jianwei.,Shao, Hongbo.,...&shaohongbochu@126.com.(2014).Soil Characteristic Comparison of Fenced and Grazed Riparian Floodplain Wetlands in the Typical Steppe Region of the Inner Mongolian Plateau, China.SCIENTIFIC WORLD JOURNAL,765907.
MLA Wang, Lixin,et al."Soil Characteristic Comparison of Fenced and Grazed Riparian Floodplain Wetlands in the Typical Steppe Region of the Inner Mongolian Plateau, China".SCIENTIFIC WORLD JOURNAL (2014):765907.
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