关键词: 长江三角洲, 生态城市, 指标体系, 城市生态指数, 城市协调度指数, 生态城市综合指数

Abstract:

The Yangtze Delta is a fullfledged metropolis in China.With the construction of ecocity springing up increasingly, cities in the Yangtze Delta also began their ecocity building one after the other, and have acquired important advances in the construction of ecocity.However, there are also some questions such as the nonharmonious development of city socialeconomicenvironmental system and the difficulty to quantify the extent of ecocity construction.Based on the actual circumstance and the actual degree of the social and economic development of the Yangtze Delta, a localcharacter ecocity index system was set up—including city ecological index, city harmony index and ecocity comprehensive index—to evaluate the ecological level, the coordination level and the ecocity construction level of cities in the Yangtze Delta.The results indicated that: (1) as for the construction of ecocity, Suzhou is the best among the 15 cities in the Yangtze Delta, while Nantong the worst; (2) the sustainable development of ecocity is based on the allround development of the city.

Key words: the Yangtze Delta, ecocity, index system, city ecological index, city coordination index, ecocity comprehensive index