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三峡库区万州段投饵网箱养鱼对底泥水化因子的影响

Effects of cage culture on water quality factors of the bottom mud in Wanzhou Region of the Three Gorges Reservoir Area

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2005年6月至2006年4月对长江三峡库区投饵网箱养殖区上游、网箱养殖区以及网箱养殖区下游底泥中有机物耗氧量、TN、NO3-N、TP、硫化物等指标进行了监测.结果显示,网箱养殖区及网箱下游底泥有机物耗氧量和总磷含量分别高出对照区5.4~6.5 mg/g和0.03~0.08 g/kg,网箱养殖区及网箱下游底泥总氮含量及硝态氮含量分别高出对照区40~80 mg/kg和0.8~1.2 mg/kg,网箱养殖区及网箱下游底层水的硫化物含量平均值分别高出对照区1.3 mg/L和0.11 mg/L.
The contents of COD,TN,N03-N,TP and sulfide in the bottom mud of upstream (control),downstream and cage culture area of Three Gorges of Yangtze River reservoir were investigated from Jun. 2005 to Apr. 2006. The result indicated that,the contents of COD,TP,TN and NO3-N in downstream and cage culture area were 5.4~6.5 mg/g,0.03 ~0. 08 g/kg,40~80 mg/kg and 0. 8 ~ 1.2 mg/kg higher than control area,respectively;the average content of sulfide in the water of downstream and cage culture area was 1. 3 mg/L and 0.11 mg/L higher than control area,respectively.

Three Gorges Reservoir Areacage culturebottom mud,water quality

石广福、郑永华、蔡深文、姚维志、谢全志

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西南大学动物科技学院,重庆,400715

重庆市水产科学研究所,重庆,400020

三峡库区 网箱养鱼 底泥 水质

重庆市农业委员会重点科技项目

2005-2007

2009

淡水渔业
中国水产学会 中国水产科学研究院长江水产研究所 中国水产科学研究院淡水渔业研究中心

淡水渔业

CSTPCDCSCD北大核心
影响因子:0.776
ISSN:1000-6907
年,卷(期):2009.39(3)
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