东北西部草地生态环境与草业开发模式探讨

Construction of Grassland Ecological Environment and Development Models of Prataculture in the West of Northeast of China

论述了东北西部的科尔沁、松嫩和呼伦贝尔3大片草地生态环境的特点及其优势，分析这些草地生态环境的逆向演替现状及原因，提出了“三化”草地治理措施和草业开发模式。

The characteristics, advantages and present situation of grassland ecological environmrnt in Keerqin,Songnen and Hunlunber in the West of Northeast of China were discussed, and the reasons of converse succession were analyzed in this paper. The improvement measures for degradation, desertification and alkalization of the grassland and the development models of pratacuhure and alkalization of the grassland and the development models of pratacuhure were raised.