我国草地生态研究的成就与展望

我国草地面积达4.0×10~6km~2,占国土总面积的41%。一方面,草地为草食动物提供食料,为人类提供肉、乳、毛、皮和多种药材。另一方面,它对保持水土、改善人民居住环境及维持区域生态平衡起着重大作用。可见,草地不但是我国主要的生态系统类型,而且是重

Achievements and Prospects of Grassland Ecological Research in China.

The history and current situation of grassland in China as well as problems arising from its over grazing, deterioration and biodiversity reduction etc. are systematically introduced. Since 17th century and especially since the founding of new China in 1949, many achievements have been made in all fields of grassland ecology, such as grassland plant resources, plant physioecology, vegetation,and community ecology,grassland animals and soil microorganisms, structure and function of grassland ecosystem, niche and ecological field theory, etc.. These achievements and developmental trends of grassland ecological research are briefly summarized in the paper.