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A generalised linear model for catch allocation: an example from Australia''s Northern Prawn Fishery |
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| Authors: | W.N. Venables C.M. Dichmont |
| Affiliation: | CSIRO, 233 Middle Street, Cleveland, Qld 4163, Australia |
| Abstract: | Two biologically distinct species, Penaeus semisulcatus and P. esculentus, are caught in the tiger prawn component of Australia's Northern Prawn Fishery. These species are recorded and marketed together as ‘tiger prawns’. A generalised linear model is used to separate the logbook catches of ‘tiger prawns’ into catches by individual species, even though only fragmentary historical survey data are available. We also consider generalised additive model and generalised linear mixed model approaches, and the extra benefits they might allow. |
| Keywords: | Generalised additive model Generalised linear model Generalised linear mixed model Penaeus esculentus Penaeus semisulcatus Quasi-likelihood Species separation Spline regression model |
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