摘要
本文以2004年、2009年和2014年3次森林资源规划设计调查成果为主要依据,采用森林蓄积量、森林自然度、森林群落结构、树种结构、植被总覆盖度、郁闭度、平均树高和枯枝落叶厚度等级以及林地面积占国土面积的比例等9项指标,分析了上海市森林生态功能综合指数现状及变化情况、变化原因,提出了进一步扩大林地面积、努力提高林地稳定性、积极开展森林抚育经营和科学优化森林空间布局等提高全市林业生态建设水平的建议,对于上海市林业生态建设具有一定的指导意义。
Based on the data of forest resource planning and design investigations in 2004, 2009 and 2014, it is analyzed the status, the changes and reasons of the comprehensive index of forest eco-function in Shanghai Municipality by using nine indexes, such as forest volume, naturalness degree, community structure, total vegetation coverage percentage, canopy density, average tree height, litter thickness grade and the proportion of woodland area to the national territorial area.In the essay, it is put forwards some suggestions that has the guiding significance to the eco-development of the forestry in Shanghai Municipality including the further expansion of the woodland area, improvement of the woodland stability, active development of the woodland nursery operation and scientific optimism of the woodland spatial distribution, etc.
出处
《亚热带水土保持》
2015年第3期34-37,共4页
Subtropical Soil and Water Conservation
关键词
生态功能综合指数
林地面积
森林结构
林地生产力
comprehensive index of forest eco-function
woodland area
forest structure
forest productivity