盐津县森林资源动态变动分析及发展建议

Dynamic change analysis and development suggestion on forest resources in Yanjin county

分析2007-2016年盐津县森林资源动态变化情况。采用定性和定量分析法对比分析森林资源数量、质量和结构指标变化规律,探讨森林资源变动原因和可持续发展建议。结果显示,全县林地面积和活立木蓄积大幅增加,单位面积蓄积量有所提高,乔木林龄组结构、纯林和混交林比例变化不大,天然林面积有所减少。该研究可为全县制定林业政策提供依据。

The dynamic changes of forest resources in Yanjin county from 2007 to 2016 were analyzed. Qualitative and quantitative analysis methods were used to compare and analyze the changes of quantity, quality and structure indexes of forest resources, and to explore the causes of changes in forest resources and suggestion for sustainable development. The results showed that the area of forest land and the volume of living trees increased significantly, the volume per unit area increased, the age group structure of trees, the proportion of pure and mixed forests changed little, and the area of natural forests decreased. This study can provide a basis for the formulation of forestry policy in the county.