黄土高原森林水文生态效应和林草适宜覆盖指标

概述了黄土高原森林各层次的水文生态功能和水土保持效益。在此基础上 ,根据自然条件、地形地貌和国民经济发展要求 ,提出了为保护生态环境和协调经济发展的适宜林草覆盖指标

The hydro ecological effects of the every layer of forest and its soil and water conservation benefits in the loess plateau are generally expounded. On the basis of these, the suitable index of vegetation coverage for protecting ecological environment and coordinating economy development is advanced in conformity with the natural conditions, landforms and the demands of national economy development.