watershed ecosystem.
流域生态系统
Soil Permeability Research on Small Area Forest Watershed Ecosystem
小流域森林生态系统林地土壤渗透性能研究
Water balance of watershed ecosystem in river upper reaches of Nenjiang.
嫩江上游流域生态系统水量平衡的研究。
Evaluation of Agriculture Ecosystem Environment Quality in Nihe Watershed
泥河沟流域农业生态环境质量评价
Evaluation on Characteristics of Agroforestry Economic Ecosystem at Nihe Gully Watershed Reach of Chunhua
淳化泥河沟流域农林复合生态经济系统特性评价
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