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dc.contributor.authorDoyle, Jennifer
dc.contributor.authorAristegui, M.
dc.contributor.authorO’Connor, Sean
dc.contributor.authorSullivan, M.
dc.contributor.authorKinneen, Michael
dc.contributor.authorSugrue, S.
dc.contributor.authorDerbyshire, Cian
dc.date.accessioned2022-10-28T11:42:56Z
dc.date.available2022-10-28T11:42:56Z
dc.date.issued2022
dc.identifier.citationDoyle, J., Aristegui, M., O’Connor, S., Sullivan, M., Kinneen, M., Sugrue, S., & Derbyshire, C. (2022). The “Smalls” Nephrops Grounds (FU22) 2022 UWTV Survey Report and catch scenarios for 2023. Marine Institute UWTV Survey report.en_US
dc.identifier.urihttp://hdl.handle.net/10793/1797
dc.descriptionen_US
dc.description.abstractThis report provides the main results and findings of the seventeenth annual underwater television survey on the ‘Smalls grounds’ ICES assessment area; Functional Unit 22. The survey was multi-disciplinary in nature collecting UWTV and other ecosystem data. A total of 42 UWTV stations were surveyed successfully (high quality image data), carried out over an isometric grid at 4.5nmi or 8.3km intervals. The precision, with a CV of 7%, was well below the upper limit of 20% recommended by SGNEPS (ICES, 2012). The 2022 abundance estimate was 36% higher than in 2022 and at 895 million is below the MSY Btrigger reference point (990 million). Using the 2022 estimate of abundance and updated stock data implies catch in 2023 that correspond to the ICES MSY approach of 2548 tonnes, assuming that discard rates and fishery selection patterns do not change from the average of 2019 - 2021. One species of sea pen was recorded as present at the stations surveyed: Virgularia mirabilis. Trawl marks were observed at 29% of the stations surveyed.en_US
dc.language.isoenen_US
dc.publisherMarine Instituteen_US
dc.relation.ispartofseriesMarine Institute UWTV Survey report;
dc.subjectNephrops norvegicusen_US
dc.subjectstock assessmenten_US
dc.subjectgeostatisticsen_US
dc.subjectunderwater television (UWTV)en_US
dc.subjectbenthosen_US
dc.titleThe “Smalls” Nephrops Grounds (FU22) 2022 UWTV Survey Report and catch scenarios for 2023en_US
dc.typeTechnical Reporten_US
refterms.dateFOA2022-11-07T09:16:49Z


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