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A Bestiary of Sampling Methods

Why Bother?. Assess abundance, composition of organismsTo collect biological samplesStomach samples for feeding habitsTissue samples for contaminant levelsGonads to assess maturation. Selectivity and Bias. Sample Catch is a product of:Local AbundanceSusceptibility of organisms to sampling devi

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A Bestiary of Sampling Methods

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    1. A Bestiary of Sampling Methods Bestiary: noun a medieval book (usually illustrated) with allegorical and amusing descriptions of real and fabled animals 

    2. Why Bother? Assess abundance, composition of organisms To collect biological samples Stomach samples for feeding habits Tissue samples for contaminant levels Gonads to assess maturation

    3. Selectivity and Bias Sample Catch is a product of: Local Abundance Susceptibility of organisms to sampling device Varies by: Species, size, behavior No two gears sample the same species, size groups, the same way

    4. Gill Nets

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