【摘要】 目前全球可利用的淡水资源很少,而水体污染和富营养化越来越严重.人工湿地以高效率、低投资、低运行费用、低维持技术及其独有生态功能受到众人的青睐.本文综述了人工湿地的国内外研究现状、存在的主要问题及今后研究的方向;并指出以其独特的优势正逐渐成为进一步研究的热点.更多还原

【Abstract】 At present,the whole world may use few freshwater resources,but the water pollution and eutrophication are more and more serious.Higher efficiency,lower investment,lower operating cost,lower maintenance technology and its particular ecology function of the constructed wetlands have had people’s good graces. This article summarized domestic and foreign research progress,the existence main questions and next research direction of the constructed wetlands.At last,constructed wetlands is becoming gradually the focal points of study for its special adventages.更多还原