| 饵料结构对河蟹养殖池塘氮、磷收支和污染强度的影响 |
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| 引用本文： | 戴修赢,蔡春芳,徐升宝,施陈江,吕梅良,叶元土. 饵料结构对河蟹养殖池塘氮、磷收支和污染强度的影响[J]. 水利渔业, 2010, 0(3) |
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| 作者姓名： | 戴修赢 蔡春芳 徐升宝 施陈江 吕梅良 叶元土 |
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| 作者单位： | 苏州大学基础医学与生物科学学院;苏州大学水产研究所;苏州市吴中区水产技术推广站; |
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| 基金项目： | 江苏省社会发展项目(BS2007140); 苏州市农业攻关项目(SNG0805); 苏州市应用基础研究计划(YJG0912) |
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| 摘 要： | 通过调查走访和实验分析,比较了3种投饵结构下河蟹(Eriocheir sinesis)养殖池塘在氮、磷收支和实际污染强度方面的差异。1种饵料结构以冰鲜鱼为主,另2种含配合饲料,按照配合饲料使用量不同,分为低于1000kg/hm2组和高于1000kg/hm2组。结果显示,以冰鲜鱼为主的养殖池塘氮收支方程为:苗种3.02kg(1.10%)+饵料272.18kg(98.90%)=渔获物31.92kg(11.60%)+伊乐藻136.18kg(49.48%)+底泥沉积79.53kg(28.90%)+尾水排放27.57kg(10.02%),磷收支方程为:苗种0.26kg(0.42%)+饵料61.02kg(99.58%)=渔获物1.49kg(2.43%)+伊乐藻15.01kg(24.49%)+底泥沉积41.94kg(68.44%)+尾水排放2.84kg(4.63%);配合饲料使用量低于1000kg/hm2的养殖池塘氮收支方程为:苗种4.49kg(2.74%)+饵料159.09kg(97.26%)=渔获物45.55kg(27.85%)+伊乐藻136.18kg(83.25%)+底泥沉积-39.26kg(-24.00%)+尾水排...
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| 关 键 词： | 配合饲料 河蟹 氮 磷 收支 污染强度 |
Effects of Food Composition on Nitrogen and Phosphorus Budgets and Pollution Intensity in Chinese Mitten Crab (Eriocheir sinesis) Culture Pond |
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| DAI Xiu-ying,CAI Chun-fang,,XU Sheng-bao,SHI Chen-jiang,LV Mei-liang,YE Yuan-tu. Effects of Food Composition on Nitrogen and Phosphorus Budgets and Pollution Intensity in Chinese Mitten Crab (Eriocheir sinesis) Culture Pond[J]. Reservoir Fisheries, 2010, 0(3) |
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| Authors: | DAI Xiu-ying CAI Chun-fang XU Sheng-bao SHI Chen-jiang LV Mei-liang YE Yuan-tu |
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| Affiliation: | DAI Xiu-ying1,CAI Chun-fang1,2,XU Sheng-bao1,SHI Chen-jiang1,LV Mei-liang3,YE Yuan-tu1,2 (1. School of Preclinical Medicine , Biological Science,Soochow University,Suzhou 215123,China,2. Institute of Aquaculture,3. Wuzhong District Fishery Technique Spread Station,Suzhou 215128,China ) |
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| Abstract: | Survey and experimental analysis was conducted to reveal the budgets of nitrogen and phosphorus and the pollution intensity of three food composition in Chinese Mitten Crab (Eriocheir sinesis) Culture Pond. The three food composition were:1,mainly with trash fish; 2,with less than 1 000 kg/hm2 formula feed; and 3,with more than 1000 kg/hm2. The result showed the nitrogen budget equation of the ponds mainly with trash fish is: fry 3. 02 kg (1. 10% ) + feeds 272. 18 kg (98. 90% ) = catch 31. 92 kg (11. 60% ) ... |
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| Keywords: | Formula feed Eriocheir sinesis Nitrogen Phosphorus Budget Pollution intensity |
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