柠条饲料合理开发利用可以拓宽干旱沙区饲料资源，缓解草原压力，改善生态环境。
The reasonable development and utilization of Caragana feed can widen feed resource in arid and sandy area, relieving the stocking pressure on grassland and improve ecological environment.
水资源和土地资源的不合理开发利用是造成西部严重生态环境问题的根源。
The unreasonable exploitation and utilization of water and soil resources is the radical reason of causing serious ecological environment problems in the west part of China.
生物资源是当前最重要的生产资料之一，合理开发利用生物资源的一个重要方面是要保护生态环境。
The biological resource is one of the most important of production at present. To protect the ecological environment is one of the important aspects for using the biological resources rationally.
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