A comparison of methods for onboard sampling of discards in commercial fishing

Duncan Tamsett; Gareth Janacek; Mike  Emberton

doi:10.1016/S0165-7836(99)00031-4

A comparison of methods for onboard sampling of discards in commercial fishing

Duncan Tamsett, Gareth Janacek, Mike Emberton

Environmental Research Institute

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Two methods for onboard sampling of discards practised in UK waters are compared. The fishing gear was light trawl and the principal species caught were haddock and whiting. The quantities of fish discarded, as well as those for the market, were measured. The methods for onboard sampling of discards were carried out in parallel. Quantities discarded estimated using the two methods are compared against the measured quantities. No evidence for bias is found for either method. The results of other analyses of the data are presented, and the advantages and disadvantages of the methods discussed. A proposal is made for an approach to onboard sampling.

Original language	English
Pages (from-to)	127-135
Number of pages	8
Journal	Fisheries Research
Volume	42
Issue number	1-2
DOIs	https://doi.org/10.1016/S0165-7836(99)00031-4
Publication status	Published - Aug 1999

Keywords

Multilevel analysis
Fish discards
comparison sampling methods

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abstract = "Two methods for onboard sampling of discards practised in UK waters are compared. The fishing gear was light trawl and the principal species caught were haddock and whiting. The quantities of fish discarded, as well as those for the market, were measured. The methods for onboard sampling of discards were carried out in parallel. Quantities discarded estimated using the two methods are compared against the measured quantities. No evidence for bias is found for either method. The results of other analyses of the data are presented, and the advantages and disadvantages of the methods discussed. A proposal is made for an approach to onboard sampling.",

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AU - Janacek, Gareth

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AB - Two methods for onboard sampling of discards practised in UK waters are compared. The fishing gear was light trawl and the principal species caught were haddock and whiting. The quantities of fish discarded, as well as those for the market, were measured. The methods for onboard sampling of discards were carried out in parallel. Quantities discarded estimated using the two methods are compared against the measured quantities. No evidence for bias is found for either method. The results of other analyses of the data are presented, and the advantages and disadvantages of the methods discussed. A proposal is made for an approach to onboard sampling.

KW - Multilevel analysis

KW - Fish discards

KW - comparison sampling methods

U2 - 10.1016/S0165-7836(99)00031-4

DO - 10.1016/S0165-7836(99)00031-4

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VL - 42

SP - 127

EP - 135

JO - Fisheries Research

JF - Fisheries Research

IS - 1-2

ER -

A comparison of methods for onboard sampling of discards in commercial fishing

Abstract

Keywords

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