平河梁自然保护区的生态评价

Ecological Evaluation of the Pingheliang Nature Reserve

根据平河梁自然保护区森林生态系统的特征和实际情况,选取多样性、稀有性、自然性、代表性、面积适宜性、生态脆弱性和人类威胁七项指标,运用AHP法对保护区森林生态系统进行评价。并计算各生态评价因子的评价指数,结果得出的综合评价指数为0.871 9,表明平河梁自然保护区森林生态系统的生态质量良好,保护价值很高。

According to the forestry ecological characteristics and the practical situations in Pingheliang Nature Reserve, which is located in Qinling Mountians, an ecological evaluation was conducted by selecting seven indices （di- versity, rarity, naturalness, representativeness, suitability of area, ecological fragility and human impacts） and using AHP （analytic hierarchy process） method. The evaluation index of each ecological factor was calculated, and the comprehensive evaluation index （CEI） was figured out as 0. 871 9, suggesting that the ecological quality of the nature reserve is very good, and that it has high protection values.