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Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?
by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... , the by-catch was substantial. Fish by-catch in krill fisheries has been discussed in WG-FSA since the ... 25 years later WG-FSA is still not in the position to estimate the amount of fish by-catch reliably ...
Meeting Document : WG-FSA-14/66 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)
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Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991
observation of krill fishing operations, collection and processing of catch samples for analysing ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ... channichthyids. In general, krill density in Subarea 48.2 was twice as high as that in Subarea 48.3. Catch-per ... and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ...
Meeting Document : WG-KRILL-92/06 : Автор(ы): V.I. Latogursky (Russia)
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Exploring variability in the locations used by the krill fishery in Area 48 in relation to intra- and inter-annual variability in seasonal sea ice
Abstract: We present preliminary analyses of krill fishery catch data covering the period ... . This often allows fishing to late June and, sometimes, throughout the winter. Overall, the mean catch ... location in Subarea 48.1 has shifted in recent years with most catch being taken south of the South ... Shetland Islands since 2008/09 in contrast to earlier years when the mean catch location was always to the ...
Meeting Document : WG-EMM-14/11 : Автор(ы): J. Silk, S.L. Hill and P.N. Trathan (United Kingdom)
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Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
) will require modifications to the previous method the estimation of catch splits in the calculation of ... assessment will need to be modified to respond to changes in the fishing catch and effort distributions that ... while including updated catch, age-frequency, and tag-release and recapture data. Yield projections ... should be run that incorporate short term catch split options as required by CM 91-05. Additional options ...
Meeting Document : WG-SAM-17/41 : Автор(ы): S. Mormede and S. Parker
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Предлагаемые поправки к Мере по сохранению 10-05, направленные на расширение возможностей участия недоговаривающихся сторон в Системе АНТКОМ по документации уловов в том, что касается арестованных или конфискованных уловов
participate in the Catch Documentation Scheme (CDS), where they have seized or confiscated Dissostichus spp ... . catch. The amendments are based on the options presented by Australia at CCAMLR XXXIV (2015) and ... the scope of how Non-Contracting Parties can participate in the CCAMLR Catch Documentation Scheme for ... seized or confiscated catch Microsoft Word File: e-cc-xxxv-17.docx Approval: Approved Secretariat ...
Meeting Document : CCAMLR-XXXV/17 : Автор(ы): Delegation of Australia
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A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... SSRUs 48.6G and 48.6E. For the Patagonian toothfish the accumulated catch was 349 tons and almost all ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...
Meeting Document : WG-SAM-12/33 : Автор(ы): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)
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A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... SSRUs 48.6G and 48.6E. For the Patagonian toothfish the accumulated catch was 349 tons and almost all ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...
Meeting Document : WG-FSA-12/38 : Автор(ы): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
Notothenia rossii, a species which is at present only fishable as a by-catch. The total biomass of the stock ... reached legal catch size. The value of the selected abundance index (catch per unit effort expressed in ... reduction in catch and fishing effort. This trend could well be reversed by too high a catch in 1988/89 ... fishable as a by-catch. The total biomass of the stock, however, remains very low according to the ... good results in 1988/89, once the cohort had reached legal catch size. The value of the selected ... abundance index (catch per unit effort expressed in tonnes per fishing hour) is, however, lower than those ... in the abundance index, following a reduction in catch and fishing effort. This trend could well be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.
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Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE
Abstract: An accurate history of catch is an important input into the assessment of toothfish ... stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... where they were taken. For the purposes of developing an alternative catch history for these SSRUs, we ... a standardised CPUE from these vessels to develop an estimate of the amount of catch that could ...
Meeting Document : WG-FSA-13/57 Rev. 1 : Автор(ы): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)
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Leslie analyses of commercial snow crab trap data: a comparative study of catchability coefficients
Abstract: If we could determine the relationship between catch rates in a trap survey and ... from a survey conducted with traps. One way to calibrate the catch rates is to examine available ... historical Leslie analyses of commercial catch data obtained over several years and quantify the relationship ... between catch rate at the beginning of the season and the corresponding population estimate obtained by ...
Meeting Document : WS-CRAB-93/13 : Автор(ы): J.M. Hoenig, E.G. Dawe, D.M. Taylor, M. Eagles and J. Tremblay (USA)
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