梅子湖风景区森林植被的物种多样性研究

Study of the species diversity of forest in Meizi lake scenic spot

采用物种丰富度、Simpson指数、Shannon-weiner指数及Pielou均匀度指数研究梅子湖森林植被的物种多样性。4个物种多样性指数总体上表现出相同的变化趋势,在群落不同层次的变化规律为:灌木层>乔木层>草本层;不同植被类型的物种多样性特征是:常绿阔叶林>暖性针叶林。人为因子的干扰对梅子湖森林植被的物种多样性有较大的影响。

Species richness, Simpson index, Shannon--weiner index, and pielou index were used to study the species diversity of forests in Meizi Lake area. The results were following： generally, all four indices showed the similar variation patterns in species diversity; generally speaking, the order of species diversity indices changed with the pattern： shrub layer → tree layer→ herb layer ; the species diversity of evergreen broadleaved forests was larger than that of warm conifer forests; the species diversity of forests in Meizi Lake area has been affected by human factors.