Résultats de la recherche
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
of how biological and physical processes interact across a wide range of scales. Here we examine the ... role of physical and biological processes in generating fluctuations in the ecosystem around South ... Georgia in the South Atlantic sector of the Southern Ocean. Anomalies in sea surface temperature (SST) in ... the South Pacific sector of the Southern Ocean have previously been shown to be generated through ...
Meeting Document : WG-EMM-08/P02 : Auteur(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model
contribution to estimate abundance in a simple biomass dynamic model for both species of toothfish in northern ... area of 48.6 (SSRU 48.6A, 48.6G). Antarctic and Patagonian toothfish presented a high proportion with ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ... using multivariate statistical approach of the catch composition. Standardisation of CPUE was done by ...
Meeting Document : WG-SAM-13/29 : Auteur(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Le prix du poisson : Étude de marché mondiale de la légine australe (Dissostichus eleginoides) et antarctique (Dissostichus mawsoni)
Abstract: Patagonian and Antarctic toothfish are traded internationally and considered to be of ... , are managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ), there are currently no methods in place to monitor the volume or value of toothfish traded in the ... analysis of import and export data records from 2007 to 2012 was conducted. The objective was to examine ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Auteur(s): Secretariat
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Krill distribution and biomass variability within Subarea 48.3 in June 1991
Abstract: Temporal and spatial variability of krill distribution characteristics was investigated ... aggregations occurred a s fields of small swarms whose spatial distribution characteristics (size and density ... of swarms, swarm field density, number of swarms per mile) varied considerably from tach to tack ... within each survey. The maximum horizontal extension of swarms was 120 m, although about 70% of swarms ...
Meeting Document : WG-KRILL-93/35 : Auteur(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)
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Results from the New Zealand exploratory fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2004/05 season
season in this fishery are presented. Janas undertook 44 sets in Division 58.4.2 for a catch of 37.9 ... tonnes of D. mawsoni and 0.395 tonnes of D. eleginoides. Two sets were undertaken in Division 58.4.1 SSRU ... C for a catch of 0.372 tonnes of D. mawsoni. San Aspiring undertook 20 research sets in Division ... 58.4.1 SSRU G for a catch of 20.9 tonnes of D. mawsoni and 0.4 tonnes of D. eleginoides. The first sign ...
Meeting Document : WG-FSA-05/62 : Auteur(s): G.J. Patchell (New Zealand)
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The preliminary report on the survey in Subarea 48.2 in 2019
Abstract: The fifth year survey and observations of Dissostichus spp. in statistical subarea 48.2 ... on board of the Ukrainian vessel SIMEIZ were conducted in accordance with the recommendations of the ... Scientific Committee and Commission. The design and timing of the fifth year of research generally ... corresponded to the 2018 season, but significant changes were noted in the CPUE of Antarctic toothfish ...
Meeting Document : WG-SAM-2019/29 : Auteur(s): Delegation of Ukraine
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An illustrative management procedure for exploring dynamic feedback in krill catch limit allocations among small-scale management units
subdivision of the precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the ... Scotia Sea to reduce the potential impact of fishing on land-breeding predators. The Spatial Multi ... which simulates the “true” dynamics of the resource with tests across a wide range of scenarios for the ... underlying dynamics of the resource. Unlike static catch allocation options, the illustrative MPs developed ...
Meeting Document : WG-EMM-06/28 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)
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Modelling catch and effort data using generalised linear models with random cruise and stratum-by-year effects: trawl fishery for Dissostichus eleginoides in CAMLR Area 58.5.2
Abstract: A set of procedures for modelling catch and effort data using generalized linear mixed ... models (GLMMs) including data analytic methods for examining the appropriateness of model structure and ... parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... CAMLR area as an example dataset. Further development of these procedures is presented in this report ...
Meeting Document : WG-FSA-03/34 : Auteur(s): S.G. Candy (Australia)
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Krill fishery report: 2006 update
have taken 64415 t of krill to date. Two CCAMLR scientific observers have been deployed. The ... preliminary estimate of the total catch of krill for the season is approximately 97090 t. This compares with ... 127035 t of krill reported in the STATLANT data for 2004/05. All fine-scale data from Korea for 2004/05 ... submit these data as soon as the vessels return to port. The report includes: Availability of fishery and ...
Meeting Document : WG-EMM-06/5 : Auteur(s): Secretariat
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APPLICATION TO UNDERTAKE WINTER SCIENTIFIC RESEARCH IN CCAMLR SUBAREA 88.1 (SSRUS 88.1B, 88.1C AND 88.1G) IN THE 2008/09 SEASON
of the life cycle of D. mawsoni in the Ross Sea by collecting biological samples from a broad spread ... of locations across the northern Ross Sea during the austral winter. The survey is designed to ... collect information that should assist in the understanding of the early life history and reproduction of ... on the spawning movements of mature D. mawsoni. The results of the research will lead to improved ...
Meeting Document : WG-FSA-08/62 : Auteur(s): Delegation of New Zealand