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叙述了青蛙、克氏原螯虾、乌龟、河蟹、黄鳝和泥鳅对钉螺和蚊幼的摄食对比实验 ,结果表明 ,它们每天摄食多少顺序为 :对钉螺 ,克氏原螯虾 >乌龟 >河蟹 >青蛙 ;对蚊幼 ,乌龟 >克氏原螯虾 >泥鳅 >黄鳝或青蛙 >河蟹 .在疫区对金钱蟹和克氏原螯虾进行摄食钉螺的定性观察发现 :在放养了实验动物的生态小区内 ,钉螺种群数量明显减少 .通过本实验和近 8年来的研究工作 ,形成了四种水生动植物净化疫水的生态经济模式 :1)芋、蛙、鳝、鳅、蚓、菜 ;2 )莲、菜、龟或鳖、鳝、鳅 ;3)莲藕、河蟹、泥鳅 ;4)芦苇或荻、克氏原螯虾或沼虾、泥鳅。
The comparative experiments on juvenile feeding on snails and mosquitoes by frogs, Procambarus clarkii, turtles, crabs, eels and loaches showed that their order of feeding on day was: for snails, Procambarus clarkii> turtles> crabs> frogs; In mosquitoes, turtles> Procambarus clarkii> loach> eel or frogs> crabs, qualitative observations of snails fed on cash crabs and Procambarus clarkii in the endemic areas found that snail populations The quantity and the quantity have obviously reduced.Through this experiment and the research work in the past 8 years, four kinds of eco-economic models have been formed: 1) taro, frog, eel, loach, earthworm and vegetable; 2) Turtle or turtle, eel, loach; 3) lotus root, crab, loach; 4) reed or Di, Procambarus clarkii or marsh shrimp, loach.