- absolute abundance
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the total number of a kind of fish in the population. Usually estimated from relative abundance as it is rarely known
Dictionary of ichthyology. 2009.
absolute abundance
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abundance index — data obtained from samples or observations and used as a measure of the weight or number of fish which make up a stock, a segment of a stock such as spawners or in a given area. Most indices are relative units (as opposed to measuring absolute… … Dictionary of ichthyology
abundance — degree of plentifulness. The total number of fish in a population, stock, other group or on a fishing ground. Can be measured in absolute or relative terms and may be number per area or per unit fishing effort … Dictionary of ichthyology
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