岩溶化山地土地退化的等级划分与植被恢复初步研究——以湘西洛塔河流域坡耕地为例

CLASSIFICATION OF LAND DEGRADATION DEGREE AND VEGETATION RECOVERABILITY IN KARSTIFIED MOUNTAINOUS AREAS ——A Case Study of Cultivated Sloping Land in Luota Basin of West Hunan

通过专题研究及抽样调查 ,对岩溶化山地的资源环境及景观特征、土地退化原因和程度的划分、植被可恢复性及其土地持续利用等问题进行研究。

WT5BZ]Mainly based on data from sample surveys and monographic studies, the features and problems in karstified mountain terrains, about land degradation, vegetation recoverability in degraded land and sustainable land use patterns are discussed. The argument of the thesis is significant to re use and sustainable use of the land whether it is not reclaimed or not obviously degraded or degraded to different degrees.