将乐林场常绿阔叶林健康评价指标体系构建

Construct the Health Evaluation of Index System for Evergreen Broadleaf Forest in Jiangle Forest Farm

南方集体林区常绿阔叶林的健康问题备受关注,根据18块典型样地调查数据,采用定性分析与定量测算相结合的方法,构建一套具有可操作性的常绿阔叶林健康评价指标体系;使用组合赋权法确定指标权重,对样地进行健康评价。结果表明,疾病样地占调查总面积的5.6%,没有不健康样地,亚健康样地占22.2%,健康样地占55.6%,优质样地占16.7%。将乐林场常绿阔叶林处于健康水平。

Much attention has been paid to health problems in southern collective evergreen broadleaf forest. Base on the survey data of 18 typical sample plots,through the combination of qualitative analysis and quantitative measurement method to construct a set of scientific and operational evergreen broadleaf forest health evaluation in-dex system.Besides,determined index weight and carrying out health assessment on the samples by using the com-bination method .The results showed that the disease plots accounts for 5.6% of the total area of investigation, there was no unhealthy plots,sub-health sample area accounted for 22.2%,health sample area accounted for 55.6%,high quality sample area accounted for 16.7%.Evergreen broadleaf forest in Jiangle forest farm was in healthy status.