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渔业资源评估扫海面积法
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渔业资源评估扫海面积法
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渔业资源评估扫海面积法
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fisheries resource assessment swept-area method
渔业资源评估扫海面积法
根据拖网通道内的渔获率及鱼类在调查区域内的平均密度,按照拖网扫海面积中单位面积渔获量,估算调查区域内的总资源量的方法。是渔业资源群体资源量的概算方法之一。
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soil organic colloid
soil organic master acquisition
soil organic matter balance
soil organic mattercalcification
soil organic matter cycling
soil organic pollutant in-situ monitor
soil organic pollutants analysis
soil organic pollution
soil organisms
soil particle permanent charge
soil particle size analysis
soil particle variable charge
soil particulate organic matter
soil permeability
soil persistent organic pollutants
soil pesticide residue decomposition catalyst
soil pesticides pollution
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soil pe value
soil pH
soil phosphorus
soil phosphorus cycling
soil phosphorus fixation
soil physical evidence
soil physical property
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