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dc.contributor.authorCuende, Elsa
dc.contributor.authorArregi, Luis
dc.contributor.authorHerrmann, Bent
dc.contributor.authorSistiaga, Manu and Basterretxea, Mikel
dc.date.accessioned2021-07-02T08:13:20Z-
dc.date.available2021-07-02T08:13:20Z-
dc.date.issued2020
dc.identifierISI:000519269100004
dc.identifier.citationSCIENTIA MARINA, 2020, 84, 39-47
dc.identifier.issn0214-8358
dc.identifier.urihttp://dspace.azti.es/handle/24689/1146-
dc.description.abstractReduction of discards from the Basque mixed bottom trawl fishery is a challenge. To improve the selective properties of the gear used by the fleet and supplement codend size selection, a square mesh panel (SMP) installed in the upper panel of the trawl was introduced in 2006. However, recent studies have shown that the release efficiency of this SMP is low due to lack of contact between the fish and the SMP. In this study, we tested the release efficiency of the SMP for four different gear configurations. We tested the effect of adding LED lights at two different positions and altering panel size and panel position in the trawl. The analyses were focused on two species: hake (Merluccius merluccius) and blue whiting (Micromesistius poutassou). The results showed that the position of LED lights did not significantly affect the SMP's release efficiency for any species. However, increasing panel size had a significant positive effect on the release efficiency of blue whiting, and placing the SMP in the lower panel improved the release efficiency of hake. These results highlight the challenge of simultaneously improving the selective properties of gear for species with different behaviour, especially in mixed demersal fisheries.
dc.language.isoEnglish
dc.publisherCONSEJO SUPERIOR INVESTIGACIONES CIENTIFICAS-CSIC
dc.subjectsquare mesh panel
dc.subjectLED lights
dc.subjecttrawl fishery
dc.subjectrelease efficiency
dc.subjecthake
dc.subjectblue whiting
dc.subjectCOD GADUS-MORHUA
dc.subjectHADDOCK MELANOGRAMMUS-AEGLEFINUS
dc.subjectESCAPE
dc.subjectMODEL
dc.subjectIMPROVE
dc.subjectFRONT
dc.subjectSIZE
dc.subjectEND
dc.titleRelease efficiency and selectivity of four different square mesh panel configurations in the Basque mixed bottom trawl fishery
dc.typeArticle
dc.identifier.journalSCIENTIA MARINA
dc.format.page39-47
dc.format.volume84
dc.contributor.funderSpanish Ministry of Agriculture, Fisheries, Food and Environment
dc.identifier.e-issn1886-8134
dc.identifier.doi10.3989/scimar.04975.17A
Appears in Publication types:Artículos científicos



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