- discard mortality
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discard mortality rate multiplied by discarded catch
Dictionary of ichthyology. 2009.
discard mortality
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discard mortality rate — the proportion of the discarded catch that dies as a result of catching or handling … Dictionary of ichthyology
estimated discard mortality — the numbers of fish thrown overboard that die, calculated by observers and from logbook records … Dictionary of ichthyology
Discards — Fisheries scientists sorting discards (mainly sprat, small herring and whiting) from targeted species (Nephrops norvegicus) in a trawl catch. Discards are the portion of a catch of fish which is not retained on board during commercial fishing… … Wikipedia
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Bycatch — are species caught in a fishery while it is intended to catch another species or reproductively immature juveniles of the target species. The OECD (1997) defines bycatch as total fishing mortality excluding that accounted directly by the retained … Wikipedia
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