昆明海口林场森林健康状况评价

通过在海口林场选取22块典型样地对其生产力、群落结构、抵抗力、土壤状况4个方面进行调查分析，运用森林生态系统健康指数（FEHI）评价模型评价昆明市国营海口林场的森林健康状况。结果表明:不同树种组成的林分健康程度不同，华山松林＞柏树林＞桉树林；同一树种，不同林龄阶段的林分健康程度也不同，成熟林＞近熟林＞中龄林。22个典型林分类型中，处于亚健康的样地有11个，占总数的500%；处于健康的样地有10个，占总数的455%；处于良好健康的样地为1个，占总数的45%；不健康和优质健康类型没有；综合评价表明，昆明市海口林场的森林健康状况为健康状态。

Evaluation on Forest Health Condition in Haikou Forest Farm of Kunming

22 typical plots in Haikou forest farm of Kunming were selected for the investigation on its productivity，community structure，resistance，soil conditions. The forest ecosystem health index （FEHI） model was used for the evaluation on the forest health status. The results showed that different species composition of forest lead different health degree， Pinus armandii forest>Cypress forest>Eucalyptus forest; The health status is different for the same tree species with different forest age, matures forest>near mature forest>middle aged forest. In the 22 sample plots，11 plots are in sub health, accounting for 500% of the total， 10 plots are in health，accounting for 455% of the total，only one in good health and accounting for 45% of the total， unhealthy and high quality forest are none. In general，forest health status of Haikou forest farm is healthy.