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phenomena (en) > biological phenomena (en) > 폐사율 > natural mortality (en)

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DEFINITION

  • Natural mortality is deaths of fish from all causes except fishing (e.g. ageing, predation , cannibalism, disease and perhaps increasingly pollution). It is often expressed as a rate that indicates the percentage of fish dying in a year; for example a natural mortality rate of 0.2 implies that approximately 20% of the population will die in a year from causes other than fishing.

    Created: 7/3/20

    (en)

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http://aims.fao.org/aos/agrovoc/c_5e26404e

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RDF/XML TURTLE JSON-LD Created 9/4/19, last modified 10/23/20