走马林场森林防火林带综合效益的评价

Evaluation on Comprehensive Benefits from Firebreak in Zouma Forest Farm

本文通过对鹤峰县走马林场森林防火林带综合效益的评价 ,得出如下结论 :1、防火林带较之空白防火带有显著的社会效益 (防火效益 )、经济效益和生态效益 ,具有广阔的推广应用前景。 2、防火林带的面积占整个森林面积的比例大约在 4.0 %～ 4.3%之间 ,走马林场合适的林带面积为 1 85～ 2 0 0hm2 。 3、不同防火林带模式之间存在着合适的配置比例关系 ,确定不同防火林带模式的规模 ,应综合考虑当地的社会经济条件、自然条件和森林火灾现状 ,走马林场茶带和乔木防火林带的面积比例接近于 1∶1。

By evaluating on comprehensive benefits from firebreak in Zouma Forest Farm, the results were showed as follows: 1. Firebreak had more significant social benefit, economic benefit and ecological benefit than the empty firebreak. It had an intensive popularization and application. 2. The ratio of the firebreak area to the whole forest area was about 4.0%～4.3%, the suitable firebreak area was 185～200 hm 2 in Zouma Forest Farm. 3. There was a relationship of suitable arrangement proportion among the different firebreak models, when the scale of a model was determined, something must be comprehensively considered on local social-economic condition, natural condition and forest fire status. The ratio of the tea firebreak to the tree ones was close to 1 to 1 in the Zouma Forest Farm.