Search results
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Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)
of crab body sizes, shell conditions, and claw allometry. We concluded that: 1) mean and modal size ... than in trap catches whereas old-shell crabs were more common in trap than in trawl catches; 4) mean ... , shell conditions, and claw allometry. We concluded that: 1) mean and modal size of crabs captured ... old-shell crabs were more common in trap than in trawl catches; 4) mean size of the crabs caught ...
Meeting Document : WS-CRAB-93/11 : Author(s): J.M. Hoenig and E.G. Dawe (USA)
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ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON
% in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in number ... 1 and Phase 2, respectively. Mean CPUE of toothfish in weight by SSRU ranged from 64.0 to 80.7 kg / 1,000 ... (10-minute latitude x 20-minute longitude) standard stratification method, mean CPUE for the Division ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in number ...
Meeting Document : WG-SAM-09/10 : Author(s): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... , respectively, with both factors adversely affecting the population trends of this bird. In line with these ... influenced by the concomitant decrease in abundance of two of their main prey, the nototheniids Notothenia ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ...
Meeting Document : WG-EMM-16/P09 : Author(s): R. Casaux and E. Barrera-Oro
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A nonparametric algorithm to model movement between polygon subdomains in a spatially explicit ecosystem model
part of the modelling effort. In marine applications, a flow field grid describing the water movement ... are not designed to model movement on the larger scale of polygons, resulting in disproportionately ... usually forms the basis for movement of passive or nearly passive biomass. Grid-based advection algorithms ... effective algorithm to model movement at the polygon level is proposed, preserving the general properties of ...
Meeting Document : WG-EMM-06/35 : Author(s): T. Lenser and A. Constable (Australia)
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Changes to the Statistical Bulletin
) a revision of the boundaries in Division 58.4.3 and adjacent areas (agreed at CCAMLR-XX). The ... occurred. However, in a small number of historic datasets, the months are not defined and change (1) was ... Abstract: Two recent changes have impacted on the compilation of CCAMLR’s Statistical Bulletin ... necessitated some re-interpretation of existing STATLANT data. In most cases, change (1) was easily implemented ...
Meeting Document : SC-CAMLR-XXII/BG/07 : Author(s): Secretariat
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Documentation for the CCAMLR survey database and length-density analysis
because of the increasing quantity and diversity of survey data and their importance in the assessments of ... . While appropriate in earlier years, this procedure constricted the type of survey data that could be ... stored in the CCAMLR database and placed limitations of their interpretation. The Data Centre’s extensive ... work done, the structure of the new survey database, and the steps in the length-density analysis. The ...
Meeting Document : WG-FSA-00/11 : Author(s): Secretariat
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Data on krill, Euphausia superba Dana, consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
fishes as its main consumers in the above areas. According to the data of trawlings in the depth range of ... Abstract: Basing on the materials of complex study of the Kosmonavtov and Sodruzhestva Seas ... 100-500 m in the area between 30 and 80°E, the total fish stock was evaluated to be 551.300 t ... E.superba consumption not only for the region of the Kosmonavtov and Sodruzhestva Seas as a whole, but at ...
Meeting Document : SC-CAMLR-X/BG/11 : Author(s): Delegation of USSR
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Review of fishery monitoring and forecast procedures
closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... will be inaccurate. A range of management options are considered in response to a catch overrun. The ... Abstract: The Secretariat monitors the catches of all target and by-catch species (or species ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ...
Meeting Document : WG-SAM-13/06 : Author(s): Secretariat
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Food consumption estimates of southern elephant seal females during their post-breeding aquatic phase at South Shetland Islands
, King George Island (25 de Mayo). During lactation females spent a mean of 6021±1365 Mj, which resulted ... Island (25 de Mayo). During lactation females spent a mean of 6021±1365 Mj, which resulted in a loss ...
Meeting Document : WG-EMM-04/33 : Author(s): A.R. Carlini, G.A. Daneri, M.E.I. Márquez (Argentina), H. Bornemann (Germany), H. Panarello, R. Casaux (Argentina), S. Ramdohr and J. Plötz (Germany)
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ... sum of the number of years in the catch series and this windfall ratio. Input information includes the ... sum of catches and associated number of years, the relative reduction in biomass during that period ... Abstract: The depletion-corrected average catch (DCAC) formula is an extension of the potential ...
Meeting Document : WG-SAM-11/P3 : Author(s): A.D. McCall