Analysis on Soil and Water Conservation Profits under DifferentAgroforest Models for Sloping Land Conversion Program in Beichuan County

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- Analysis on Soil and Water Conservation Profits under DifferentAgroforest Models for Sloping Land Conversion Program in Beichuan County
- Issue 4, Pages: 16-19(2006)
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- Published：2006
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Analysis on Soil and Water Conservation Profits under DifferentAgroforest Models for Sloping Land Conversion Program in Beichuan County[J]. 2006, (4): 16-19.
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Analysis on Soil and Water Conservation Profits under DifferentAgroforest Models for Sloping Land Conversion Program in Beichuan County[J]. 2006, (4): 16-19. DOI：

通过对北川县退耕还林中林药、林茶桑、林草牧农林复合经营模式的水土保持效应监测

各模式在水土保持效应方面都显著优于其对照

径流量和泥沙量约为各自对照值的1/3~1/2;泥沙流失量和径流系数大小顺序为:林草牧模式林药模式>林草牧模式。各模式的水土侵蚀模数为林药模式10 510 t/(km2.a)、林茶桑模式1 036 t/(km2.a)、林草牧模式487 t/(km2.a)

3个模式总计减少泥沙流失量近105 t/a

总计涵养水源超过105 m3/a

取得了显著的生态效应

同时也带动了地方经济的发展。

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Analysis on Soil and Water Conservation Profits under DifferentAgroforest Models for Sloping Land Conversion Program in Beichuan County

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