北川退耕还林不同经营模式的经济效益分析

Analysis of the Economic Profit of Different Models in Beichuan,under Sloping Land Conversion Program

在实地调查的基础上,分析和对比了北川退耕还林工程中林-药、林-草-牧、林-茶-桑和生态林4种生态经营模式的经济效益;其年均单位面积经济效益的顺序是林-药模式>林-茶-桑模式>林-草-牧模式>生态林模式。各模式都在兼顾生态效益的基础上,发展了地方经济,实现了农民增收。由此,提出了各经营模式应在条件相似的周边地区因地制宜地加以推广的建议。

Based on fieldworks in Beichuan county, the economic profit of different management models which are employed to turning cultivating lands back into forests is evaluated and compared comprehensively. The sequence of annual economic profit is medicine-woods model 〉 tea-sericulture-woods model 〉 husbandry-woods model 〉 ecological woods model. In this way, local economy and average income are developed obviously. At the same time, ecological effect is also considered well. It suggestes these models are highly worthy to be popularized in adjoining areas, during the process of turning cultivating land back into forest.