中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 地理科学与资源研究所
  3. 中国科学院地理科学与资源研究所
Revegetation induced change in soil erodibility as influenced by slope situation on the Loess Plateau

文献类型：期刊论文

作者Guo, Mingming1,3; Chen, Zhuoxin2; Wang, Wenlong2,3; Wang, Tianchao2; Wang, Wenxin2; Cui, Zhiqiang3
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2021-06-10
卷号772页码:15
关键词Soil erodibility Landscape position Land use Root traits Soil erosion
ISSN号0048-9697
DOI10.1016/j.scitotenv.2021.145540
通讯作者Wang, Wenlong(nwafu_wwl@163.com)
英文摘要Soil erodibility is an indispensable parameter for predicting soil erosion and evaluating the benefits of soil and water conservation. Slope situation can alter revegetation and its effects on soil properties and root traits, and thus may affect soil erodibility. However, whether slope situation will change the effect of revegetation on soil erodibility through improving soil properties and root traits has rarely been evaluated. Therefore, this study was conducted to detect the response of soil erodibility to slope situations (loess-tableland, hill-slope and gullyslope) in a typical watershed of the Loess Plateau. Five soil erodibility parameters (saturated soil hydraulicconductivity, SHe mean weight diameter of aggregates, MWD: clay ratio, CR: soil disintegration rate, SDR; soil erodibility factor, K) and a comprehensive soil erodibility index (CSEI) are selected to darify the study targets. The results revealed that soil properties, root traits, soil erodibility parameters and GE( were affected by slope situation significantly. Soil and root can explain 79.7%, 79.1% and 69.8% of total variance in soil erodibility of loess-tableland, hillslope and gully-slope, respectively. Slope situation influenced soil erodibility by changing the effects of revegetation on soil properties and root traits. Evidently, the slope situation greatly changed the relations between CSEI and soil and root parameters, whereafter a model considering slope situation (slope steepness), sand, organic matter content and root surface area density was reliable to estimate soil erodibility (CSEI). Our study suggested that the Armeniaca sibirica, the combination of Bothriochloa ischcemum and Robinia pseudoacacia and the combination of Armeniaca sibirica and Lespedeza bicolor can be used as the optimal selection for mitigating soil erodibility of loess-tableland, hill-slope and gully-slope, respectively. This study is of great significance in optimizing the spatial layout of soil and water conservation measures for different slope situations of the Loess Plateau. (C) 2021 Elsevier B.V. All rights reserved.
资助项目National Natural Science Foundation of China[42077079] ; National Natural Science Foundation of China[41571275] ; China Postdoctoral Science Foundation[2020M681062]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000628753700127
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; China Postdoctoral Science Foundation
源URL[http://ir.igsnrr.ac.cn/handle/311030/161990]  
专题中国科学院地理科学与资源研究所
通讯作者Wang, Wenlong
作者单位1.Chinese Acad Sci, Key Lab Mollisols Agroecol, Northeast Inst Geog & Agroecol, Harbin 150081, Heilongjiang, Peoples R China
2.Northwest A&f Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Water & Soil Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Water & Soil Conservat, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Mingming,Chen, Zhuoxin,Wang, Wenlong,et al. Revegetation induced change in soil erodibility as influenced by slope situation on the Loess Plateau[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,772:15.
APA Guo, Mingming,Chen, Zhuoxin,Wang, Wenlong,Wang, Tianchao,Wang, Wenxin,&Cui, Zhiqiang.(2021).Revegetation induced change in soil erodibility as influenced by slope situation on the Loess Plateau.SCIENCE OF THE TOTAL ENVIRONMENT,772,15.
MLA Guo, Mingming,et al."Revegetation induced change in soil erodibility as influenced by slope situation on the Loess Plateau".SCIENCE OF THE TOTAL ENVIRONMENT 772(2021):15.

入库方式： OAI收割

来源：地理科学与资源研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。