稻田养鱼是人为安排的稻鱼共生生态结构。它把种植业和养殖业有机地结合起来,做到稻田养鱼、鱼养稻,发挥稻鱼共生互利的作用。这种稻鱼共生生态系统,具备了结构和谐、利用物质高效经济,并可巧妙地安排能量传输和转换等特点,可算是发挥最佳生产效率的模型。 Paddy fish farming is a man-made arrangement of rice symbiosis ecological structure. It organically combines crop farming and aquaculture, making it possible for fish to grow fish and raise fish for rice so as to give play to the symbiotic benefit of rice and fish. This rice-fish symbiosis ecosystem, which has the characteristics of harmonious structure, efficient use of materials and efficient arrangement of energy transfer and conversion, can be regarded as the model that gives the best production efficiency.