甘肃退耕还林还草中的生物多样性和生物入侵问题

Pasture and Forest Restoration and the Diversity of Wildlife

本文论述退耕还林还草问题时 ,结合甘肃植被生境和物种多样性的具体特点 ,及多样性退化濒危丧失的情况 ,提出以下意见因地制宜恢复和重建林草植被 ;按生境种植适宜的树和草 ;突出三大流域和六大植物区域的重点林草 ;培育、引进和筛选丰产和高 WU E相结合的植被 ;防止生物入侵 ;保护和改善生态环境和生物多样性。

Based on the characteristic features of the pastures and forestry of Gansu Province, the present paper discusses the various concepts and methods in restoring pasture and forest in formally converted farmlands, concluding that different vegetation be introduced in different areas to suit the natural environment, that high quality, high WUE species be adopted to ensure permanent vegetation, and that animal invasion be checked to prevent overgrazing.