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INCONSTANT CATCHABILITY [2 records]

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Alphabetical list of terms

Record 1 2022-09-30

English

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

Inconstant catchability among individual fish has been widely recognized... as a major source of error in depletion estimates of population size when using models [that] assume constant catchability. Inconstant catchability is a feature of populations that contain individuals with different vulnerabilities to capture or when their behaviour changes with successive hauls. The effect is to cause a rapid depletion of the more vulnerable individuals after the first unit(or few units) of effort is applied, leaving behind a pool of animals with a lower [catchability].

French

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

Spanish

Save record 1

Record 2 2022-02-21

English

Subject field(s)
  • General Vocabulary
DEF

Pertaining to the passage of time.

CONT

Inconstant catchability is perhaps the greatest potential source of error in applying methods of estimation based on secular change in catch per unit of effort.

French

Domaine(s)
  • Vocabulaire général
DEF

Se rapportant au passage du temps.

CONT

Un potentiel de capture irrégulier est certes la plus grande source de perturbation d'une méthode d'estimation où la variation de la capture par unité d'effort est censée être à très long terme ou séculaire.

Spanish

Save record 2

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