Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s11270-017-3289-5 |
Roots of Cleistogenes songorica Improved Soil Aggregate Cohesion and Enhance Soil Water Erosion Resistance in Rainfall Simulation Experiments | |
Niu, Xueli; Nan, Zhibiao | |
通讯作者 | Nan, Zhibiao |
来源期刊 | WATER AIR AND SOIL POLLUTION
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ISSN | 0049-6979 |
EISSN | 1573-2932 |
出版年 | 2017 |
卷号 | 228期号:3 |
英文摘要 | Native grasses that have acceptable forage yield and quality can play an important role in the sustainable development and protection of soil ecosystem. In this study, we investigate a native grass of northern China, Cleistogenes songorica, showing promise for erosion control. We used a rainfall simulation method to compare the effects of C. songorica roots and tall fescue roots (Festuca arundinacea) on soil erosion in sandy loam field plots with irrigation during establishment in 2011 and under mild or severe drought treatments in 2012 and 2013. Root length (RL), root diameter (RD), soil bulk density (SBD), soil field capacity (FC), sediment yield (SY), and root biomass (RB) of each soil monolith were sampled in the topsoil layer (0-10 cm) with a rectangular geotome. The proportion of stable aggregates in soil and the soil anti-scouring properties were also evaluated. C. songorica had higher RD than tall fescue throughout the experiment and evolved higher RL and RB by 2013. Both C. songorica and tall fescue enhanced the erosion resistance of soil, but C. songorica stabilized soil more effectively than did tall fescue. The proportion of stable soil aggregates was greater in C. songorica plots than in tall fescue grassland under mild drought. The present study shows that C. songorica has great potential to be one of the biological resources for soil erosion resistance, water and soil conservation in arid and semi-arid areas. |
英文关键词 | Cleistogenes songorica Soil erosion resistance Scouring resistance Soil aggregate |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000397821100024 |
WOS关键词 | DROUGHT TOLERANCE ; SHEAR-STRENGTH ; TALL FESCUE ; CONCENTRATED FLOW ; DIFFERENT TILLAGE ; BULK-DENSITY ; PLANT-ROOTS ; VEGETATION ; RUNOFF ; IMPACT |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Water Resources |
来源机构 | 兰州大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/202854 |
作者单位 | Lanzhou Univ, State Key Lab Grassland Agroecosyst, Coll Pastoral Agr Sci & Technol, Lanzhou 730020, Peoples R China |
推荐引用方式 GB/T 7714 | Niu, Xueli,Nan, Zhibiao. Roots of Cleistogenes songorica Improved Soil Aggregate Cohesion and Enhance Soil Water Erosion Resistance in Rainfall Simulation Experiments[J]. 兰州大学,2017,228(3). |
APA | Niu, Xueli,&Nan, Zhibiao.(2017).Roots of Cleistogenes songorica Improved Soil Aggregate Cohesion and Enhance Soil Water Erosion Resistance in Rainfall Simulation Experiments.WATER AIR AND SOIL POLLUTION,228(3). |
MLA | Niu, Xueli,et al."Roots of Cleistogenes songorica Improved Soil Aggregate Cohesion and Enhance Soil Water Erosion Resistance in Rainfall Simulation Experiments".WATER AIR AND SOIL POLLUTION 228.3(2017). |
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