高寒草场荒漠化及其控制技术

对高寒干旱区草场荒漠化特征和引发机理的总结，查明了荒漠化草场奶穹的主要原因是气候巨变、不合理农垦、过牧及鼠害等。通过建立牧业生态户，对严重退化草场围封，进行人工补植优良牧草，灭除不可食毒、杂草，消灭鼠害，暖棚养畜；并将木本植物引入草场，设置灌木、半灌木绿篱，探求时空立体型牧场等多项试验措施。经4年治理，提出一套以牧业生态户为单元，防止高寒草场荒漠化，解决青藏高原雪灾问题的畜牧业可持续发展的路子和模式。

Desertification and controlling technologies of alpine rangeland in Qinghai

This paper summarized the characteristics and causing mechanism on desertification of alpine drought rangeland The main reasons of rangeland degeneration are climate changing, unreasonable reclamation, overgrazing and destroying by rodent and so on Some experiments, such as established ecological demonstration farm, enclosed to severe deterioration rangeland, over sown forage seeds, control weeds, feed animals in warming house, and introduced wood plants to rangeland, planted shrubs or sub shrubs were took to searched a rangeland model combing temporary to space to improve rangeland During the period of four year experiment, a set of sustainability development patterns and methods of stock raising and preventing alpine rangeland from desertification and disaster of snowing were proposed