Resultados de la búsqueda
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... Georgia for the ninth consecutive winter (1998) and eleventh consecutive summer (1998/99) are reported ... here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... 1997 winter total and an 87 % decrease on the highest previous total (1992). The proportion of animals ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Autor(es): Delegation of the United Kingdom
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Revised research plan for toothfish in Divisions 58.4.4a and 58.4.4b by the Shinsei Maru No. 3 in 2010/11
Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... . In Division 58.4.4 a & b, we proposed the research plan for toothfish in the Division by Shinsei ... Maru No. 3 to be conducted throughout the whole four SSRUs (A-D) in the Division in April-June 2011 in ... the WG-SAM 2010 meeting. However, during the first survey in 2009/10, when the research was surveyed ...
Meeting Document : WG-FSA-10/49 : Autor(es): Delegation of Japan
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Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill
Abstract: AMLR krill sampling data was supplied to the Generalised Yield Model as the " ... ;vector of recruitments" input option to simulate the population dynamics of krill in the Antarctic ... Peninsula region (Subarea 48.1) under various assumptions. The annual proportions of krill less than 36 mm ... in length to the total captured in AMLR net samples in four sampling regions of the Antarctic ...
Meeting Document : WG-EMM-12/26 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 16 years in ... Subarea 88.1 and for 10 years in Subarea 88.2. This report summarises the timing, depth, and location of ... fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... 2011–12. During the 2011–12 fishing year most of the catch in Subarea 88.1 came from the slope SSRU ...
Meeting Document : WG-FSA-12/42 : Autor(es): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
Abstract: Antarctic krill fisheries have the potential to be in the top 10 fisheries of the world ... in terms of biomass production. The expansion of the fishery from current levels appears inevitable ... given the demand for protein and the efficiencies now being developed in the fishery. CCAMLR is ... approach requires an appropriate level of understanding of (i) the structure, function and change of the ...
Meeting Document : WG-EMM-13/12 : Autor(es): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)
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Bridging the krill divide: understanding cross-sector objectives for krill fishing and conservation
Abstract: In June 2014, the ICED programme, the British Antarctic Survey and WWF co-hosted a two ... day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... Sea and Antarctic Peninsula region” which involved participants from the science, conservation, and ... fishing industry sectors. The workshop used structured dialogue, led by an independent facilitator, to ...
Meeting Document : SC-CAMLR-XXXIII/BG/34 : Autor(es): United Kingdom, Norway, Chile, ASOC and ARK
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An initial examination of using CPUE as a fishery performance index for the krill fishery
Abstract: Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... krill abundance. However, understanding the factors effecting the operation of the krill fishery and the ... management of the krill fishery. This analysis reviewed catch and effort data from the krill fishery for the ... used to produce a fishery-scale performance index. The vessels-specific mean CPUE (log catch (kg) per ...
Meeting Document : WG-EMM-16/10 : Autor(es): CCAMLR Secretariat
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ... ), using catch, catch-at-age, and tag-recapture data from 1998 to 2017 and including the results from the ... Ross Sea Shelf survey from 2012 to 2017. The model estimates of unfished biomass and current status ...
Meeting Document : WG-FSA-17/37 Rev. 1 : Autor(es): S. Mormede
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Advances are urgently needed in providing regular estimates of krill stock status based on the available data
Abstract: CCAMLR currently manages the krill fishery in subareas 48.1 to 48.4 using an arbitrary ... measure (the trigger level) which was established in 1991 and is “not related to the status of the krill ... stock”. At the same time, CCAMLR recognises that “advances are urgently needed” specifically because the ... trigger level is not related to the status of the stock. The establishing terms of reference for WG-EMM ...
Meeting Document : WG-EMM-2019/28 : Autor(es): S. Hill, J. Hinke, N. Ratcliffe, P. Trathan and G. Watters
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19
(Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A-B) is updated and revised using the ... most recent available data for the fishery. The assessment uses reported catch (C2), and tag-recapture ... data for 1998–2019 and age and abundance data from the Ross Sea Shelf survey for 2012–2019. Tag ... estimates using the updated data for 1998–2017, new data from 2018 and 2019, revised growth and length ...
Meeting Document : WG-FSA-2019/08 : Autor(es): A. Dunn