Arid
DOI10.1016/j.ecoleng.2016.02.001
Effects of grazing exclusion on plant community and soil physicochemical properties in a desert steppe on the Loess Plateau, China
Zhu, Guang-yu1; Deng, Lei1; Zhang, Xi-biao2; Shangguan, Zhou-ping1
通讯作者Deng, Lei ; Shangguan, Zhou-ping
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2016
卷号90页码:372-381
英文摘要

Although fencing is an effective restoration strategy used to achieve the global sustainability of grassland ecosystem, it is unclear from the literature whether fencing results in positive effects on soil physicochemical properties, plant diversity and the relationship between soil particle and soil chemical properties in a desert steppe on the Loess Plateau. Therefore, we selected fenced communities and grazed communities to study the effects of grazing exclusion on desert grassland on the Loess Plateau in China. Our results indicate that plant coverage, plant height, richness index, above- and below-ground biomass, root/shoot ratio, the number of grasses and the number of perennials increased significantly, whereas litter biomass, the number of forbs and annuals significantly decreased after approximately 12 years of fencing. Fencing also resulted in marked increases in ammonium nitrogen (AN) in the 0-10 cm soil depth, soil organic carbon (SOC), total nitrogen (TN), nitrate nitrogen (NN), clay and silt in the 0-30 cm soil depth and soil total phosphorus (TP) in 0-100 cm soil depth. Our results also indicated that SOC, TN, NN, clay, silt, sand and belowground biomass were significantly affected by land use type, soil layer and their interaction between land use type and soil layer. However, AN was affected by only land use type, and TP was affected by land use type and soil layer but not their interaction. In addition, there was s significant correlation between soil chemical properties (SOC, TN, TP, NN, AN) and soil particles (silt, clay and sand) in the 0-5 cm soil depth. As part of our ongoing research, this paper can produce substantial ecological benefits by contributing to the development of a more scientific strategy for grassland management on the Loess Plateau. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Fencing Plant diversity Soil particle Soil carbon Soil nitrogen Soil phosphorus
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000373376700047
WOS关键词DEGRADED SANDY GRASSLAND ; ORGANIC-CARBON ; VEGETATION RESTORATION ; TEMPERATE GRASSLAND ; SPATIAL-PATTERN ; NITROGEN ; LAND ; MANAGEMENT ; DIVERSITY ; DYNAMICS
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
来源机构西北农林科技大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192373
作者单位1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China;
2.Longdong Univ, Coll Life Sci & Technol, Qingyang 745000, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Zhu, Guang-yu,Deng, Lei,Zhang, Xi-biao,et al. Effects of grazing exclusion on plant community and soil physicochemical properties in a desert steppe on the Loess Plateau, China[J]. 西北农林科技大学,2016,90:372-381.
APA Zhu, Guang-yu,Deng, Lei,Zhang, Xi-biao,&Shangguan, Zhou-ping.(2016).Effects of grazing exclusion on plant community and soil physicochemical properties in a desert steppe on the Loess Plateau, China.ECOLOGICAL ENGINEERING,90,372-381.
MLA Zhu, Guang-yu,et al."Effects of grazing exclusion on plant community and soil physicochemical properties in a desert steppe on the Loess Plateau, China".ECOLOGICAL ENGINEERING 90(2016):372-381.
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