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License: CC BY
Data sources: ZENODO
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Report on the effect of light lines on fish behaviour and light line experiments on a commercial vessel.

Authors: O'Neill, Barry; Watson, Dan; Moret, Kelly;

Report on the effect of light lines on fish behaviour and light line experiments on a commercial vessel.

Abstract

Box 1: Report Highlights Proto type light-emitting devices for use on trawl fishing gears have been developed and tested Laboratory experiments investigating the behavioural response of haddock and cod to light of different wavelengths, intensity and strobing rates. Continuous lines of light have been shown to influence the height at which some species enter a trawl gear Illuminated grids in the extension section can be used to direct fish out of the trawl gear or to different codends where further selection can take place. Adding white and purple LED lights into baited traps significantly improved the catch per unit effort of snow crab Box 2: The methods/approaches followed Design and development of physical hardware, software and user interfaces. Laboratory experiments with captive fish. Catch comparison fishing trials. Box 3: How these results can be used and by who? Fishers and net makers – to develop gears that utilise light to select for fish that best match their quota allocation. Fishing gear scientists – to better understand how light can be harnessed to improve trawl gear selectivity and the fishing efficiency of traps. Box 4: Policy recommendations This report demonstrates the potential of using light to improve the selective performance of gears, which if to be fully exploited requires (i) committed research support and (ii) a regulatory framework that is sufficiently flexible to accept readily new technologies and novel gears.

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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visibility
download
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
OpenAIRE UsageCountsDownloads provided by UsageCounts
0
Average
Average
Average
13
12
Funded by
EC| DiscardLess
Project
DiscardLess
DiscardLess – Strategies for the gradual elimination of discards in European fisheries
  • Funder: European Commission (EC)
  • Project Code: 633680
  • Funding stream: H2020 | RIA
Related to Research communities
European Marine Science
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