眉山市生态市规划中生态敏感性评价

Eco-sensitivity Evaluation in the Ecological City Planning of Meishan City

以四川省眉山市为例,应用GIS空间分析技术和生态因子评分法,针对水土流失、生物多样性和土地利用现状进行生态敏感性评价,并通过多因子加权求和模型进行综合分析。结果表明,眉山市极敏感区占全市总面积的15.83%,高度敏感区占17.22%,中度敏感区占47.72%,轻度敏感区占19.22%。并根据不同敏感区的特点,提出了相应的环境保护对策。

Taking Meishan City of Sichuan Province as an example, aiming at the water and soil erosion, the bio-diversity and the land use actuality, the eco-sensitivity was evaluated by using GIS spatial analysis technique and ecological factor scoring method. The comprehensive analysis was made by using multifactor weighted summation model. The results showed that the proportion of extremely sensitive area, high sensitive area, medium sensitive area and slight sensitive area in total area of Meishan City were 15.83%, 17.22%, 47.72% and 19.22% resp. According to the characteristics of different sensitive areas, corresponding environmental protection countermeasures were put forward.