湖南省青羊湖国家森林公园健康评价研究

Evaluation on forest health condition in Qingyang Lake National Forest Park in Hunan Province

在宁乡县青羊湖国家森林公园选取不同林分的标准样地,从系统活力、结构能力、土壤特性、抵抗外力4个方面进行研究,并运用(FEHI)评价模型进行健康状况评价。结果表明:健康分值排序为马尾松×青冈栎针阔混交林>青冈栎阔叶林>马尾松纯林;健康样地有1块,占总体的11.11%;较健康样地有5块,占总体的55.56%;亚健康样地有3块,占总体的33.33%;不健康样地无。表明青羊湖国家森林公园的健康状况较为乐观。

Select the standard plots in Ningxiang County Qingyang Lake National Forest Park , from four aspects of the system vitality, ability structure, soil properties, resistance to external research, and the health status were evaluated by use of FEHI evaluation model. The results showed that the health value order was needle and broad-leaved mixed forest of Pinus massoniana and Quercus glauca 〉 Quercus glauca broad-leaved forest 〉 Pinus massoniana pure forest. Health plots had 1 block, 11.11% of the total, relative health plots had 5 blocks, 55.56% of the total, and sub-health plots had 3 blocks, 33.33% of the total. It means that the health status of Qingyang Lake National Forest Park is more optimistic.