Integrated estimation of density and catchability parameters from fisheries catch-effort data / C.T.T. Edwards.

By: Edwards, Charles T. T.
Contributor(s): Fisheries New Zealand (Government agency).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2021/32Publisher: Wellington, New Zealand : Fisheries New Zealand, Tini a Tangaroa, 2021Description: 1 online resource (32 pages).ISBN: 9781991009319.Other title: Fisheries risk assessment [Running title].Subject(s): FISHERIES | NEW ZEALANDOnline resources: FAR 2021/32 Fisheries Infosite | NIWA document server Summary: A statistical model is proposed to estimate the catch efficiency (the proportion of fish biomass within the gear affected area that is retained by that fishing event) from catch-effort data for multiple fisheries and gear types operating simultaneously throughout the New Zealand EEZ. The model was applied to nine fish species to provide estimates of the catch efficiency for each species and gear type.
List(s) this item appears in: New Zealand Fisheries Assessment Report
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"June 2021."

A statistical model is proposed to estimate the catch efficiency (the proportion of fish biomass within the gear affected area that is retained by that fishing event) from catch-effort data for multiple fisheries and gear types operating simultaneously throughout the New Zealand EEZ. The model was applied to nine fish species to provide estimates of the catch efficiency for each species and gear type.

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