Abstract
Age—length-key and length-frequency analysis are well-known methods for estimating the proportion of fish at each age in a sample and the associated mean length and standard deviation of length at age. In this paper a combined age—length analysis (CALA) is described which fits a statistical model to both the age and length data. Monte Carlo testing of the methods indicates that the CALA method provides more precise estimates of the parameters than conventional age-length-key methods.
Original language | English |
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Pages (from-to) | 178-186 |
Number of pages | 9 |
Journal | Journal du Conseil - Conseil International pour l'Exploration de la Mer |
Volume | 46 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1 Dec 1990 |
Keywords
- age—length-key
- length-frequency analysis
- statistical model
- monte carlo method