Search results
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model
Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... models were first developed for the region in 2014 and refined in 2015. Results showed the need to ... collect mark-recapture data in the South to help inform the estimation of biomass in the South. We present ... research plan. The assessment models were fit to the proportions-at-age in the catch and the mark-recapture ...
Meeting Document : WG-FSA-16/44 : Author(s): S. Mormede, K. Large and S. Hanchet
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
Abstract: The Generalised Yield Model is used by the WG-FSA in the assessments of Champsocephalus ... gunnari, Dissostichus eliginoides and Euphausia superba. Its current version is GYM501D.EXE. In the course ... in 2004 an error in the calculation of the recruitment series from survey data was detected. This ... error does not affect the assessments undertaken in recent years. This paper presents the nature of the ...
Meeting Document : WG-FSA-04/91 : Author(s): A.J. Constable (Australia)
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ... tagged D. mawsoni were recaptured in the first season. 3. Macrourids and rajids dominated finfish bycatch ...
Meeting Document : WG-FSA-09/18 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
Headquarters on 7-11 May 2012 in Hobart, Australia, hosted by the Australian Antarctic Division and the ... the discussion on strategies for measuring change in Southern Ocean marine ecosystems, including ship ... benchmarking Southern Ocean ecosystems in 2020 and for establishing routine activities for estimating change in ... involved in this work, particularly through the Working Group on Ecosystem Monitoring and Management and ...
Meeting Document : WG-EMM-12/59 : Author(s): A. Constable (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... in 1990 and 1991. Nearly all animals were juveniles, half with severe injuries and the proportion of ... females (40%) was the highest yet reported. The proportion of animals entangled in packaging bands was the ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Author(s): Delegation of United Kingdom
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Procedures for proposals and reporting on research plans in data-poor fisheries
Abstract: Noting the large increase in new research proposals tabled targeting toothfish across ... the Convention Area, and the relative lack of progress in achieving research objectives in some areas ... , WG-SAM-17 recommended that the procedures for research plan proposals in data poor fisheries be ... Groups in one place, to provide context and direction where the process has not previously been specified ...
Meeting Document : WG-FSA-17/13 : Author(s): S.J. Parker and D.C. Welsford
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CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES
Isaac-Kidd Midwater Trawl (IKMT) from 1992 to 2007 showed a marked decline (~35%) in the volume of water ... filtered beginning in 2000. Analysis of tow time duration, reported ship speed during tows, and mean number ... of rotor counts from the flow meters showed no significant trends. The discrepancy in volume is ... traced to a simple arithmetic error in the calculation of the mouth area of the net. Since 2000, the net ...
Meeting Document : WG-EMM-08/19 : Author(s): C. Reiss (USA)
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Penguin demography and winter distributions in the Antarctic Peninsula region
Abstract: Our long-term seabird research at Admiralty Bay has documented annual variability in ... physical processes to their effects on dependent predators in the Southern Ocean. Our most recent results ... present a conceptual model linking increasing temperatures and decreasing sea ice cover in the Antarctic ... Peninsula region to declines in krill and penguin populations. Winter temperatures in the Antarctic ...
Meeting Document : WG-EMM-01/32 : Author(s): W. Trivelpiece and S. Trivelpiece (USA)
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Proposal for a Representative System of Marine Protected Areas (RSMPA) in the East Antarctica planning domain
Abstract: This paper proposes a representative system of marine protected areas (RSMPA) in the ... East Antarctica Planning Domain identified by the CCAMLR Worksop on Marine Protected Areas (MPAs) in ... proposal is an updated version from 2010. It includes results from the workshop in France on MPAs in May ... ) description of the RSMPA, (2) analysis of conservation values and trade‐offs for MPAs in the East Antarctica ...
Meeting Document : SC-CAMLR-XXX/11 : Author(s): Delegations of Australia and France
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Consumption of krill by minke whales in Areas IV and V of the Antarctic
(Balaenoptera acutorostrata) in Areas IV and V of the Antarctic was estimated from diurnal change in the ... Whale Research Program Under Special Permit in the Antarctic) data. Estimates of the daily food ... summer in Areas IV and V were 14.7- 17.8 x 105 t and 63.2- 77.0 x 105 t, respectively. The values in Area ... IV were equivalent to roughly one- fourth of a total estimate biomass of krill in Area IV ...
Meeting Document : WG-EMM-97/17 : Author(s): Fujise, Y., Tamura, T., Ichii, T.