海带对罗源湾养殖区海水的生物修复研究Bioremediation of Mariculture Area by Laminaria japonica in Luoyuan Bay
沈淑芬;魏婷;孙琼花;王月华;郑怡;
摘要(Abstract):
研究了罗源湾海带栽培期间3-5月的水质状况,以及室内海带个体对养殖废水的净化作用.结果表明:大面积海带栽培可改善罗源湾的水质状况,降低无机氮磷含量.3-5月海带栽培区的总无机氮(DIN)的降低率分别达到25.48%、19.62%、44.65%,总无机磷(DIP)的降低率分别为20.17%、32.00%、38.72%.在7 d实验期间,海带个体对养殖废水的净化效果明显,DIN的去除率可达98%以上.海带在养殖废水中能正常生长,保持一定的日增长率,鲜质量及叶片长有所增加.
关键词(KeyWords): 海带;罗源湾;养殖废水;生物修复
基金项目(Foundation): 国家海洋局海洋公益性行业科研专项(201205009);; 福建省区域科技重大项目(2011N3002)
作者(Authors): 沈淑芬;魏婷;孙琼花;王月华;郑怡;
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