Abstract:

To improve the ecological environment in the water sources of middle line of South-to-North Water Transfer Project, this paper, via the ecological efficiency theory, establishes a set of index system to evaluate the recycling economy, applies the principal component analysis to study the recycling economy of water sources during 2000 to 2007, indicating that the recycling economy develops in a fluctuation. The central governmental policies & capital and the local governmental industrial direction play a big role to the recycling economy in the water sources. The resources utilization efficiency and economic development level is critical for recycling economy. Hence, it is time to make full use of governmental policies, to adjust the industrial structures, to improve the resources utilization efficiency, to boost the science and technology, to refresh peoples understanding to environment, and to hasten the regional sustainable development.

Key words: South-to-North Water Transfer; ecological efficiency; recycling economy; evaluation; water sources

摘要：

为推进南水北调中线水源地生态环境建设，基于生态效率理论，建立循环经济评价指标体系，运用主成分分析法，对水源地2000—2007年循环经济状况进行评价发现，水源地的循环经济在波动中发展；中央政府的政策和资金支持与地方政府的产业引导对水源地循环经济的影响很大；资源利用效率和经济发展水平是决定循环经济发展状况的关键因子。因此，应充分利用国家和地方政策，积极调整产业结构，提高资源利用效率，加快科技发展，提高大众环境意识，促进区域可持续发展。

关键词: 南水北调；生态效率；循环经济；评价；中线水源地