【摘 要】
：
池塘经过两年以上生产，不论养殖鱼、虾、蟹，都应整修改造。尤其滩涂地、沼泽地土质差的池塘，改造更有必要。上海市崇明县在８０年代开挖的３．７万亩精养鱼塘，堤坝宽度由建成时的１６米塌裂至目
【机 构】
：
上海市崇明县水产技术推广站 邮编202150
论文部分内容阅读
池塘经过两年以上生产，不论养殖鱼、虾、蟹，都应整修改造。尤其滩涂地、沼泽地土质差的池塘，改造更有必要。上海市崇明县在８０年代开挖的３．７万亩精养鱼塘，堤坝宽度由建成时的１６米塌裂至目前２～３米；池深由２．５米提升至不足２米，导致蓄水量减少，水体缺氧，水质
Pond after more than two years of production, regardless of farmed fish, shrimp, crab, should be renovated. In particular, the tidal flat, poor marsh ponds, transformation is more necessary. Shanghai Chongming County in the 80’s excavation of 37000 acres of intensive fish ponds, dam width from the completion of 16 meters collapse to the current 2 to 3 meters; pool depth from 2.5 meters to less than 2 meters, Lead to the reduction of water storage, water oxygen, water quality
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