城郊水田“菱——茭——鱼”生态系统及其效益分析

Analysis of "Water Caltrop-Wild Rice Stem-Fish" Ecosystem in Suburban Paddy Fields

以浙江省慈溪市横河镇黄渭灿农户的“菱——茭——鱼”生态系统为例,较为系统地介绍了该系统所处地区的背景、设计与布局,并重点对该生态系统物质的产投状况,生态、经济和社会效益进行了评析,最后根据当地的实际情况提出了相应的意见和建议.表3.

Taking the 'Water caltrop - wild rice stem - fish' ecosystem of Huang Weican, a farmer in Henghe Township of Cixi City, as an example, this paper systematically introduced the backgrounds of the ecosystem's locality, the design and distribution of the ecosystem. and emphatically analyed the material input-output status and assessed the ecological, economic and social benefits of the ecosystem. Finally. in accordance with local situations some corresponding opimions and suggestions were proposed.