【摘要】 选取多样性、稀有性、自然性、代表性、生态稳定性、面积适宜性、人类威胁程度等7项指标,建立董寨国家级自然保护区生态评价的指标体系,以此为基础对各单项指标赋值,运用层次分析法确定各评价指标的权重,计算各生态评价因子的评价指数,得出综合评价指数为0.8523,表明董寨国家级自然保护区森林生态系统的生态质量较好,保护价值较高。最后分析了保护区目前所处状况和面临的问题,提出了相应的建议。更多还原

【Abstract】 In this paper,such indices as diversity,rarity,naturalness,representativeness,ecological stability,suitability of area and threat of human interference were chose to establish a ranking ecological evaluating system,and evaluated the ecological condition of Dongzhai National Nature Reserve.The value of each index was determined on the basis of the evaluation system,and the weight percentage was decided by analytical hierarchy process(AHP).The composite evaluation index was figured out as 0.8523,which suggested that the ecological quality of nature reserve was preferably good,and the protection value was quite high.Finally,the reserve’s problems were analyzed and the corresponding proposals were put forward.更多还原