中国科尔沁草地草麻黄资源的分布及其合理利用

草麻黄具有饲用、药用、蜜源及维持生态平衡的作用。科尔沁草地是我国的草麻黄资源最富集地区，但由于地理位置、气候条件的差异由东南至西北呈明显的带状分布，已由建群种减少为伴生种，直至消失。目前亟待采取有效措施、加强宣传、教育群众保护草麻黄资源，搞好各管理、生产、科研部门之间的协调、实行开发与保护的统一，使草麻黄资源有良好的繁衍生息环境。

DISTRIBUT10N OF EPHEDRACEAE RESOURCES AND THEIR RATIONAL UTILIZATION IN HORQIN GRASSLAND OF CHINA

Ephedraceae can be used as forage, medicine, and nectar sources. It can alsobe used to maintain ecological balance. Horqin Grassland abounds in the richest ephedraceae resources in China. However, because of differences in geographical position and climatic conditions, ephedraceae appears a zonal distribution from southeast to northwest, a drop of constructive species to accompanying species, till vanishes. The pressing task at present is to adopt effective measures to publicize and educate people to protect ephedraceae resources, to effectively coordinate among departments of management, production and scientific research, and to unify development and protection for the purpose of providing ephedraceae with idealenvironment for reproduction and propagation.