However, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
The mode of optimization disposition for regional and intrazonal forest and grass has been determined in Inner.
确定内蒙古荒漠草原地带性和隐域性林草优化配置模式。
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