Search results
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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 : Author(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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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 : Author(s): Delegation of Ukraine
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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 : Author(s): G.J. Patchell (New Zealand)
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
, called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... copepod which is abundant through much of near-surface waters of the Southern Ocean. A large dataset (> ... ;19 000 records) of abundances of O. similis were measured during the SCAR Southern Ocean Continuous ... the abundance and the probability of presence of O. similis and the long-term, broad-scale ...
Meeting Document : WG-SAM-08/12 : Author(s): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
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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 : Author(s): Secretariat
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Revisiting krill ageing method using eyestalk cuticles
Abstract: The development of a consistent and reproducible ageing method for krill is critical ... for improving the precautionary management of krill fisheries. The only method to date that has shown ... promise in the determination of the absolute age of krill is that of Kilada et al. (2017), which involves ... thin sectioning of the eyestalk cuticle. The mechanisms controlling the generation and retention of ...
Meeting Document : WG-EMM-2019/45 : Author(s): S. Kawaguchi, T. Barnes, N. Waller, B. Farmer, D. Hayes, R. Kilada, C. Reiss, G. Zhu, B. Krafft, A.-L. Agnalt, T. Ichii and T. Matsuda
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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 : Author(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 : Author(s): S.G. Candy (Australia)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in SSRUs C and E in Division 58.4.1 in 2013/2014
range of about 1,000-2,000 t per SSRU in 58.4.1 and 100-1,500 t per SSRU in 58.4.2. During the 2003-2007 ... . The food-web of Dissostichus spp. started to be studied recently only in the southern Ross Sea. Some ... studies on biology of the fish have been studied, but those are still not enough to assess the stocks and ... Division 58.4.1 is very important to consider proper ways for effective managements of the population and ...
Meeting Document : WG-FSA-13/44 : Author(s): Delegation of the Republic of Korea
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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 : Author(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)