The level of land exploitation and utilization is low and the land productivity develops slowly.

土地开发利用程度低，土地生产力水平发挥不够。

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In the view of engineering utilization and exploitation land is both a kind of resources and also a kind of restraint.

从工程利用与开发的角度而言，土地既是一种资源，又可能是一种制约。

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However, the water and land resources exploitation and utilization in a watershed often resulted in wetlands loss and degradation, thus destroying, wetland hydrological regulating functions.

但是流域水土资源的开发利用常常导致大量湿地丧失和退化，湿地水文调节功能遭到破坏。

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