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渔业环境重金属污染
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渔业环境重金属污染
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渔业环境重金属污染
释
heavy metal contamination of fisheries environment
渔业环境重金属污染
重金属及其化合物在渔业环境中超过允许标准,对渔业生态环境和渔业生物造成急性中毒或慢性影响的现象。重金属指比重大于5的金属(一般指密度大于4.5克/厘米3的金属)。
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ecosystem engineering effects in the invaded range
ecosystem exogenous disturbance
ecosystem function
Ecosystem Generated Contents
Ecosystem Health and Sustainability
ecosystem information flow
ecosystem integrity
ecosystem management
ecosystem manipulation experiment
ecosystem observation
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