安徽农业科学2017,Vol.45Issue(24):146-149,4.
麻江县退耕还林效益动态研究及综合评价
Dynamic Study and Comprehensive Evaluation of the Benefit of Returning Farmland to Forest in Majiang County
摘要
Abstract
[Objective]To analyze the growth status of returning farmland to forest tree species in different forest species, and evaluate the ecological, economic and social benefits of returning farmland to forests.[Method]According to the geomorphic features of Majiang County, it was divided into 3 steps: the East, the middle and the West.Monitoring plots were sete according to the project of returning farmland to forest and forest tree species distribution.A survey was carried out on the fixed sample plots during 2002-2014, the dynamics of tree height, DBH and canopy density were studied.[Result]Through comparative analysis, ecological economic and ecological benefits than economic forest, ecological benefit and economic benefit of Cunninghamia lanceolata model and mixed model of Cunninghamia lanceolata and bamboo was higher than that of other planting models.[Conclusion]It should give priority to the development of ecological forest in Mjiang County, in the development of ecological forest, priority should be given to the selection of Cunninghamia lanceolata model or mixed model of Cunninghamia lanceolata and bamboo.关键词
退耕还林/效益/麻江县Key words
Returning farmland to forests/Benefit/Majiang County分类
农业科技引用本文复制引用
杨安学,龙通珍..麻江县退耕还林效益动态研究及综合评价[J].安徽农业科学,2017,45(24):146-149,4.基金项目
贵州省林业科学研究院项目(2006-22). (2006-22)