【摘要】 四川地处青藏高原与长江中下游平原之间的过渡带,区内地貌类型齐全、地质构造条件复杂,岩溶石漠化分布类型复杂多样。通过岩溶石山地区石漠化发育程度及分布情况调查分析,阐述了岩溶石山地区石漠化形成特点及分布特征。石漠化分布全省15个市、州的77个县(区、县),在全省总土地面积中所占比例约为0.9%,但在分布区县的面积比例却较大。四川省具有不同于云贵高原岩溶地区石漠化形成的机制特点,可划分为七个综合治理分区区进行治理。更多还原

【Abstract】 Sichuan lies in the intermediate zone between the Qinghai-Tibetan Plateau and the Yangtze Middle-Lower Reaches Plain and is characterized by development of various landforms,complicated geological structure and wide distribution of karst Hamada.The Hamada is distributed over 77 counties,amounting to 0.9% of the total area of Sichuan Province.This paper deals with development and distribution of the Hamada and makes a suggestion on control of the Hamada.更多还原