中文摘要：

本文分析了武威地区可持续发展面临的主要生态环境问题,讨论了生态恢复与重建面临的困境,论证了以粮换林换草对促进区域可持续发展的必要性和有效性,指出了以粮换林换草中应进一步研究的问题,提出生态重建要坚持多措施并举。

英文摘要：

Shiyanghe, an inland river, locates in eastern Hexi region of Gansu Province. Wuwei Prefecture mainly consists ofShiyanghe valley. The water from Qilianshan, which is upper reach of Shiyanghe valley, bred glorious Wuwei oasis culture. However, for reasons of poverty, motivation of high economic benefit and weak management, the water-beating forest andsoil-preserving forest in Qilianshan were destroyed heavily in the past. Some turned into cultivated land while others becamebald. The water-bearing function o...