Search results
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2015
Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ... and do not indicate an excess capacity in the fishery. A measure of potential daily fishing capacity ... as a function of the catch limit for an area indicates that for some management areas the notified ... fishing capacity is in excess of the level that would allow the Secretariat to forecast and issue a ...
Meeting Document : WG-FSA-15/09 : Author(s): CCAMLR Secretariat
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An introduction to the International Association of Antarctica Tour Operators (IAATO)
Abstract: The International Association of Antarctica Tour Operators (IAATO) has been granted ... observer status at the thirty-seventh meetings of the Commission and Scientific Committee. IAATO is a ... membership organization founded in 1991 to advocate and promote the practice of safe, environmentally ... majority of all private sector tourism to the Antarctic and Southern Ocean. This paper is a brief ...
Meeting Document : CCAMLR-XXXVII/BG/27 : Author(s): Submitted by IAATO
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015–2018
implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. The present document is a new edition of the CCAMLR Document WG ... ): Delegation of the Russian Federation Title: Research program on resource potential and life cycle of ...
Meeting Document : WG-FSA-15/27 : Author(s): Delegation of the Russian Federation
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The preliminary report on the survey in Subarea 48.2 in 2016 (the second year of the planned 3-year-old investigations)
Abstract: The second year survey and observations of Dissostichus spp. in statistical subarea ... 48.2 on board the Ukrainian vessel SIMEIZ were conducted in accordance with the recommendations of the ... Scientific Committee and Commission. The second year survey design was amended in comparison with the one of ... biomass estimation of the target species and making decision for the future fishing on that fishing ground ...
Meeting Document : WG-SAM-16/22 : Author(s): L. Pshenichnov, S. Ajiumerov and D. Marichev
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
vicinity of Heard Island during April 2016. This paper provides a preliminary assessment of mackerel ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ... : A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on ...
Meeting Document : WG-FSA-16/26 : Author(s): D. Maschette and D. Welsford
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NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL
at 200 and 120 kHz (Sv200-120). We considered the performance of 4 different acoustic target ... model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... freq model’ using a smaller window but still attributing more than 90 % of the total backscatter to ...
Meeting Document : WG-EMM-08/54 : Author(s): J. Watkins and S. Fielding (United Kingdom)
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Methodical aspects of a large-scale international krill survey in 2019: comments and proposals
Abstract: Methodical aspects of a large-scale international survey in 2019 are discussed in the ... context of stated objectives. The main sources of uncertainty in the results of the 2019 survey are shown ... . Author(s): S. Kasatkina Title: Methodical aspects of a large-scale international krill survey in 2019 ...
Meeting Document : WG-EMM-2019/55 : Author(s): S. Kasatkina
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Development of the Southern Ocean Continuous Plankton Recorder survey
to Antarctic waters when the Australian Antarctic Division initiated a survey of the Southern Ocean ... on RSV Aurora Australis south of Australia and west to Mawson. The objectives are to study regional ... patterns, as well as the annual abundance and distribution of krill larvae. The survey covers a large area ... from 60°E to 160°E, and south from about 48°S to the Antarctic coast—an area of more than 14 million ...
Meeting Document : WS-BSO-07/P4 : Author(s): Hosie, G., M. Fukuchi and S. Kawaguchi
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation
-recapture data were generated for 12 years of fishing. Two alternative estimation models were programmed in ... R. Both use the same Poisson likelihood for annual number of recaptures by age class, and both model ... the age-structured population for each fishing year by annual recursive use of difference equations ... realistic. In simulation studies of multiple years of releases, both the BODE and CCODE models gave accurate ...
Meeting Document : WG-SAM-10/11 Rev. 1 : Author(s): S.G. Candy (Australia)
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
Abstract: The consequences of warming for Antarctic long-lived organisms depend on their ability ... to survive changing patterns of climate and environmental variation. Among birds and mammals of ... and Weddell seals, we found strong support for selection of life history traits that reduce ... survival of adults and in their propensity to breed annually, which are the vital rates that influence most ...
Meeting Document : WG-EMM-08/P05 : Author(s): J. Forcada, P.N. Trathan and E.J. Murphy