摘要
石漠化为我国南方湿润石灰岩岩溶地区特有,是在脆弱的喀斯特地貌基础上形成的一种荒漠化现象。石漠化恶化了农业生产条件和生态环境,直接的后果就是土地资源丧失,使群众失去赖以生存的基本条件。威远县是四川省石漠化危害严重县,近年来就石漠化治理开展了探索。对威远县石漠化概况、成因、危害及治理情况进行概述。
The rocky desertification is endemic to China Southern wet limestone karst area, and it＇s a kind of desertification phenomenon formed in the basis of fragile karst landscape. Rocky desertification worsens the agricultural production conditions and ecological environment, and its direct consequence is loss of land resources ,so the people lose their basic conditions for survival. Weiyuan County is a serious rocky desertification County in Sichuan Province, and the rocky desertification control was carried out in recent years. Causes, harm and control situation of rocky desertification in Weiyuan County were overviewed.
出处
《现代农业科技》
2014年第13期278-279,共2页
Modern Agricultural Science and Technology
关键词
石漠化
现状
成因
治理成效
四川威远
rocky desertification
present situation
cause
control effect
Weiyuan Sichuan
