Resultados de la búsqueda
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Diving patterns and processes in epipelagic and benthic foraging sub-Antarctic seabirds
Abstract: We contrast the depth, duration and pattern of diving in the epipelagic-foraging Gentoo ... foraging period was 8 hours in both species, but Gentoos spent 50% of this time diving compared to 20% in ... processes in epipelagic and benthic foraging sub-Antarctic seabirds Approval: Approved ...
Meeting Document : WG-CEMP-91/19 : Autor(es): T.D. Williams, J.P. Croxall (United Kingdom), Y. Naito and A. Kato (Japan)
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Assessment of green Notothenia (Notothenia gibberifrons, Lonnberg 1905) stocks in the Antarctic Peninsula subarea
based on the results of inventory trawling surveys carried out in 1984/1985 and 1986/1987 by the BMRT ... "Gizhiga" in the Antarctic Peninsula subarea. Also presented are the abundance and biomass ... to the investigation data, the green Notothenia biomass in the Antarctic Peninsula subarea amounts to ... gibberifrons, Lonnberg 1905) stocks in the Antarctic Peninsula subarea Approval: Approved ...
Meeting Document : SC-CAMLR-VII/BG/46 : Autor(es): V.A. Boronin (USSR)
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Survey estimates of recruitment of toothfish in Subarea 48.3
data used by the Working Group for toothfish assessments in 1999 and later were correct. We found ... , the modal progression of peaks in the length densities corresponding to cohorts assessed by sequential ... consistently determined from the survey data. The expected reduction in cohort density with time at a log-scale ... rate of-0.16 (natural mortality) was evident in only very few cohort plots, even those which were ...
Meeting Document : WG-FSA-SAM-04/16 : Autor(es): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.
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Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
(Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... observer data collected from commercial fishing operations in the Ross Sea. In addition, we review meta ... ) Title: Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in ...
Meeting Document : WG-FSA-SAM-06/08 : Autor(es): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
, collected during the 2000-2011 fishing seasons in Division 58.5.2 and outside the CCAMLR area at Macquarie ... , as well as allowing more precise estimates of the selectivity of the different fishing gears used in ... the stock assessment in Division 58.5.2 compared to a scenario using only catch at length data. The ... in developing an ageing program. Author(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J ...
Meeting Document : WG-FSA-12/P07 : Autor(es): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins
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A revised assessment of Patagonian toothfish in Subarea 48.4
Abstract: The stocks of toothfish in Subarea 48.4 are currently divided, for assessment purposes ... species are caught throughout Subarea 48.4 although D. eleginoides are predominantly caught in the north ... , whilst D. mawsoni are mainly caught in the south. WG-FSA 2012 concluded that species specific assessments ... . eleginoides in Subarea 48.4. The main changes to the assessment are: the removal of D. mawsoni data and the ...
Meeting Document : WG-SAM-13/24 : Autor(es): R. Scott (United Kingdom)
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Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling
Abstract: In this contribution we report the presence of 6 vulnerable marine ecosystems (VME ... inclusion in the CCAMLR VME registry, were detected during a research cruise performed by the National ... here with previous reports in the same area. Thus, owing to high diversity and abundance of indicators ... by fishing activity in the area of the CCAMLR convention. Author(s): E. Gaitán, L. Schejter, D ...
Meeting Document : WG-FSA-13/58 : Autor(es): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)
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Preliminary assessment of Patagonian toothfish in Subarea 48.4
Abstract: To date, the stocks of toothfish in Subarea 48.4 have been divided, for assessment ... in the north, whilst D. mawsoni are mainly caught in the south. CCAMLR WG-FSA 2012 concluded that ... revised assessment of D. eleginoides in Subarea 48.4. The main changes to the assessment are: the removal ... Patagonian toothfish in Subarea 48.4 Approval: Approved ...
Meeting Document : WG-FSA-13/31 : Autor(es): R. Scott and V. Laptikohvsky (United Kingdom)
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A Petersen tag-recapture preliminary population assessment of Antarctic toothfish in CCAMLR Subarea 48.4 based on data for the 2009–2014 fishing seasons
Abstract: The stock of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 was estimated from ... tagging returns to be 1,027 tonnes during the 2013/14 season. In previous years the harvest rate used for ... Patagonian toothfish (D. eleginoides) in Subarea 48.3 (γ = 0.038) has been used as a precautionary harvest ... tag-recapture preliminary population assessment of Antarctic toothfish in CCAMLR Subarea 48.4 based on ...
Meeting Document : WG-FSA-14/30 Rev. 1 : Autor(es): V. Laptikhovsky, R. Scott, M. Söffker, T. Earl and C. Darby (United Kingdom)
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018
Abstract: Russian Federation is going to continue investigation for toothfish in Ross Sea in ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018 ...
Meeting Document : WG-SAM-15/21 : Autor(es): Delegation of the Russian Federation