江川县生态环境状况评价

摘要

Objective] The study aimed to understanding the ecological environment of Jiangchuan County ,analyzing the existing problems and providing a scientific basis to government to develop a reasonable regional planning and economic development strategies .[Method] According to the Ministry of Environmental Protection of the People’s Republic China promulgated《Ecological environment evaluation of technical specifica-tions》HJ 192—2015, the use of remote sensing data and the state of the Environment data as well as Statistical Yearbook data , integration of RS and GIS theory and technology,selection the five factors of biological abundance index, vegetation cover index, water network density index, land stress index and the pollution load index, evaluating and analyzing the ecological environment of Jiangchuan County township in 2015.[Result] The ecological environment index(EI) of seven towns of Jiangchuan County in 2015 is vary from 66.912 1 to 57.954 7.Luju town has the highest EI index and Dajie town is lowest EI index ,the difference value of them is 8.957 4.[Conclusion] The entire ecological environment is in good condition.%[目的]掌握江川县生态环境状况、分析存在的问题，为政府制订合理的区域规划和经济发展战略提供科学依据。[方法]根据环境保护部颁布实施的《生态环境状况评价技术规范》（ HJ 192—2015），运用遥感影像数据和环境状况公报数据以及统计年鉴数据，结合RS与GIS相关理论与技术，选用生物丰度指数、植被覆盖指数、水网密度指数、土地胁迫指数、污染负荷指数5个因子，对2015年江川县各乡镇生态环境状况进行评价与分析。[结果]2015年江川县7个乡镇的生态环境指数为57．9547～66．9121，其中以路居镇最高，大街镇最低，二者差值为8．9574。[结论]江川县总体生态环境状况良好。