[1]李冰,唐亚.金沙江下游地区人类活动对土壤侵蚀的影响[J].山地学报,2012,(03):299.
　LI Bing,TANG Ya.Impacts of Human Activities on Soil Erosion in the Lower Jinsha River Basin[J].Mountain Research,2012,(03):299.
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金沙江下游地区人类活动对土壤侵蚀的影响()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2012年03期
页码:
299
栏目:
山地学报
出版日期:
2012-01-01

文章信息/Info

Title:
Impacts of Human Activities on Soil Erosion in the Lower Jinsha River Basin
作者:
李冰;唐亚;
四川大学建筑与环境学院， 四川 成都 610065
Author(s):
LI Bing;  TANG Ya
Department of Environment, College of Architecture and Environment, Sichuan University, Chengdu 610065, China
关键词:
水土流失; 水土保持; 长江上游; 生态恢复工程; 政策
Keywords:
soil erosion; soil and water conservation; the upper Yangtze River; ecological restoration; policy
分类号:
S157
文献标志码:
A
摘要:
土壤侵蚀发生发展过程受自然因素和社会经济因素的共同作用。社会经济因素通过驱动人类活动间接作用于侵蚀过程,已成为土壤侵蚀的主要因素。作为长江流域土壤侵蚀最为严重的地区,金沙江下游独特的自然环境条件是造成其土壤侵蚀严重的基本条件,而不合理的人类活动加剧了这一过程。通过分析金沙江下游地区植被破坏、农业耕作、工程建设这三方面的人类活动对该地区的土壤侵蚀的影响,以及针对不合理人类活动所实施的恢复措施和政策,总结目前对人类活动影响土壤侵蚀过程认识的局限以及未来研究的方向。分析认为,争取认识金沙江下游干热气候的形成机制以及对人工生态系统的全面、系统、宏观评价,是建立正确的植被恢复策略的知识基础;农业耕作方面...
Abstract:
Occurrence and development process of soil erosion is affected by both natural and socioeconomic factors. It is recognized that focusing exclusively on physical process only offers a partial interpretation of the causes of soil erosion. Socioeconomic factors and human activities play an important role in causing and reducing soil erosion and should be fully incorporated in related research and extension programs. The lower Jinsha River Basin is characterized by the highest soil erosion rate in the Yangtze Basin. Determined by its unique biophysical conditions, the lower Jinsha River Basin is vulnerable to serious soil erosion, an environment problem recognized to be considerably severe in this area. Human activities have caused more intensive soil erosion in the region. Vegetation destruction, agricultural activities on sloping cropland and infrastructure construction have been recognized as the main contributing factors. Gaps in knowledge and research are identified. The conclusion was made that more efforts should be made on the formation mechanism and evolution of physical environment condition, appropriate assessment of ecological restoration projects, feedback mechanism of farmer activities and policy, and impact of infrastructure construction on soil erosion.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2011-08-11；改回日期(Accepted) : 2012-02-19。
基金项目（Foundation item）：“高等学校学科创新引智计划”（编号B08037）；科技部支撑计划(编号2012BAC06B02)。\[Supported by the Program of Introducing Talents of Discipline to University(B08037)and Tupporting Project of National Science and Technology Ministry(2012BAC06B02).\]
作者简介（Biography）：李冰（1988- ），女，湖南湘乡人，在读研究生，主要研究方向为土壤侵蚀、水土保持。\[Li Bing (1988- ), female, born in Xiangxiang, Hunan, graduate student, interested mainly in the study of soil erosion, soil and water conservation.\] *
通讯作者(Corresponding author): 唐亚\[Tang Ya\], E-mail: tangya@scu.edu.cn
更新日期/Last Update: 1900-01-01