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CATCH MATRIX [1 record]

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Record 1 2021-12-21

English

Subject field(s)
  • Collaboration with the FAO
  • Statistics
  • Commercial Fishing
CONT

To determine the precision and accuracy of the mangement advice ... provided for fish stocks using analytical models, it is necessary to assess first the variability and bias at each step of the data processing. The basic data used for the construction of a catch matrix required for cohort or [virtual population analysis] are length frequencies obtained from samples of commercial catches. Age determination of subsamples of these samples are made and an age-length key is constructed to convert catch-at-length estimates to catch-at-age estimates.

French

Domaine(s)
  • Collaboration avec la FAO
  • Statistique
  • Pêche commerciale

Spanish

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