祁连山东端封山育林涵养水源作用初步分析 关键词 封山育林 涵养水源 祁连山 [gap=669]Key words closed forest; water conservation effects; Qilian mountain
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江河源头和水源涵养区生态保护 ecological protection of river sources and water source conservation areas
水源涵养林 [林] water conservation forest ; forest for water resources conservation ; water resource conservation forest ; watershed forest
水源涵养 headwater conservation
水源涵养技术 headwater conservation technology
草地水源涵养 conserve water in rangeland
水源涵养保安林 water resource conservation forest
水源涵养林建设 construction of water source protection forest
树木有助于涵养水源。
广州城市森林涵养水源、固土保肥的功能及价值分析。
Function and value analysis of water conservation, soil reinforcement and fertility maintenance of urban forest in Guangzhou.
利用区域降水量和产流特征参数，计算了长江上游森林涵养水源能力。
The capacity of forest water conservation is calculated according to precipitation and runoff characteristic parameters in the area.
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