Diurnal variation in bottom trawl survey catches: Does it pay to adjust?

Canadian Journal of Fisheries and Aquatic Sciences

Volumn 59, Issue 1, 2002, Pages 33-48

  Hjellvik, Vidar ^a   Godø, Olav Rune ^a   Tjøstheim, Dag ^a  

^a INSTITUTE OF MARINE RESEARCH   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ABUNDANCE ESTIMATION; BOTTOM TRAWLING; DIURNAL VARIATION; FISH;

MELANOGRAMMUS AEGLEFINUS;

EID: 18244367931     PISSN: 0706652X     EISSN: None     Source Type: Journal    
DOI: 10.1139/f01-193     Document Type: Article

References (24)

1. How vertical fish distribution may affect surveys results
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3. Interactions between cod (Gadus morhua) and its prey species in the Barents Sea. Forage fishes in marine ecosystems
4. Diel variation in trawl catchability: Is it as clear as day and night?
5. Bias in acoustic biomass estimates of Euphasia suberba due to diel vertical migration
6. Escape of fish under the fishing line of a Norwegian sampling trawl and its influence on survey results
7. Factors affecting reliability of groundfish abundance estimates from bottom trawl surveys
8. Migratory behaviour of northeast Arctic cod, studied by use of data storage tags
9. Size selection during trawl sampling of cod and haddock and its effect on abundance indices at age
10. Nonparametric tests of linearity for time series
11. Modelling diurnal variation of marine populations
12. Norwegian combined acoustic and bottom trawl surveys for demersal fish in the Barents Sea during winter
13. Length and species dependent diurnal variation in catch rates in the Norwegian Barents Sea bottom trawl surveys
14. A survey-based assessment of the Northeast Arctic cod stock
15. A decision rule based on the mean square error for correcting relative fishing power differences in trawl survey data
16. Diel vertical migrations of marine fishes: An obligate or facultative process?
17. Fish reaction to trawling noise: The significance for trawl sampling
18. Measuring the effect of changes in catchability on the variance of marine survey abundance
19. Optimum size of sampling unit for estimating the density of marine populations
20. An improved Bonferroni procedure for multiple tests of significance
21. Methods of the U.S.-Japan demersal trawl surveys
22. Diel variability in trawl catches of juvenile and adult yellowtail flounder on the Grand Banks and the effect on resource assessment