catch-at-weight


catch-at-weight
the estimated weight of fish caught, tabulated by weight class and by other factors such as gear or nation. For any given species, catch-at-weight should include all fish killed by the act of fishing, not just those fish that are landed

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • catch-at-weight data — Data on the number of fish of each weight group in the catch of a fishery, usually obtained by measuring the individual weights of fish in representative samples of the catch …   Fisheries — dictionary

  • catch per unit effort — an older term for the catch in numbers or weight taken for a given amount of fishing effort over time using specific gear, expressed as a ratio. Often considered an index of fish biomass or abundance a decline in CPUE usually indicates a decline …   Dictionary of ichthyology

  • catch|weight — «KACH WAYT», noun. Sports. 1. the weight of a contestant left to the contestant s option: »to wrestle the best of three falls at catchweight (Daily Chronicle). 2. the weight carried by a race horse left to the owner s option …   Useful english dictionary

  • catch per unit of effort — The catch of fish, in numbers or in weight, taken by a defined unit of fishing effort. Also called: catch per effort, fishing success, availability …   Fisheries — dictionary

  • catch per unit of effort — The catch of fish, in numbers or in weight, taken by a defined unit of fishing effort. Also called: catch per effort, fishing success, availability …   Fisheries — dictionary

  • catch — 1) the act of landing a fish dead or alive or of bringing fish on board a vessel. Live catches may be released or retained 2) the number or weight of fish caught by a fishery, by fishing gear or by angling. May be the total amount caught, only… …   Dictionary of ichthyology

  • catch off balance — {v. phr.} To confront someone with physical force or with a statement or question he or she is not prepared to answer or deal with; to exploit the disadvantage of another. * /The smaller wrestler caught his opponent off balance and managed to… …   Dictionary of American idioms

  • catch off balance — {v. phr.} To confront someone with physical force or with a statement or question he or she is not prepared to answer or deal with; to exploit the disadvantage of another. * /The smaller wrestler caught his opponent off balance and managed to… …   Dictionary of American idioms

  • catch per unit of effort — (CPUE) The number or weight of fish caught by a unit of fishing effort; e.g. 80 kg per hour searching. CPUE is often used as a measure of fish abundance …   Fisheries — dictionary

  • catch\ off\ balance — v. phr. To confront someone with physical force or with a statement or question he or she is not prepared to answer or deal with; to exploit the disadvantage of another. The smaller wrestler caught his opponent off balance and managed to throw… …   Словарь американских идиом


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