基于生態(tài)評估的新疆瑪納斯縣域發(fā)展適宜性分析
[Abstract]:Ecological assessment can determine the key areas of ecological protection and provide scientific reference for urban planning. Taking Manas County in Xinjiang as the research area, the paper first establishes the ecological sensitivity and ecological risk evaluation index system based on expert knowledge and AHP. Then the ecological sensitivity and ecological risk are evaluated on the ArcGIS 9.3 software platform. Finally, according to the results of ecological assessment, the suitability of county development is analyzed, and the no-building area, the restricted construction area and the suitable construction area are divided. The results show that the application of expert knowledge, analytic hierarchy process and GIS (geographical information system) to ecological assessment is feasible and reliable. The areas of high sensitivity, moderate sensitivity, low sensitivity and insensitivity accounted for 41.31% and 19.01% of the total area of the study area, respectively. The high ecological risk areas are mainly distributed in the south of Taxi River, the central and southern parts of Qingshui River, and the northern part of Guangdongdi. The higher risk areas are distributed along the middle and lower reaches of the Tasi River and the lower reaches of the Manas River, and the ecological risk levels in other areas are lower. The areas with high suitability for county development are mainly located in most areas of Manas Town, the western part of Lanzhou Bay Town and 147 regiment farms, the north of North Wucha, the New Lake Farm, 148 regiment farms, 149 regiment farms, and the eastern part of 150 regiment farms. The unsuitable areas are mainly located in the northern desert, the southern mountainous area, the Manas River and the Tasi River line and the wetland area.
【作者單位】: 清華大學(xué)環(huán)境學(xué)院生態(tài)學(xué)教研所;中央民族大學(xué)生命與環(huán)境科學(xué)學(xué)院;中國城市規(guī)劃設(shè)計(jì)研究院風(fēng)景園林規(guī)劃研究所;
【基金】:環(huán)境模擬與污染控制國家重點(diǎn)實(shí)驗(yàn)室專項(xiàng)(11Y02ESPCT) 中國城市規(guī)劃設(shè)計(jì)研究院新疆瑪納斯縣域生態(tài)環(huán)境保護(hù)建設(shè)專題資助項(xiàng)目(20132000936)
【分類號】:F127;X826
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