Résultats de la recherche

1. INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS

   accounts for both the variation associated with sub-sampling of the random length frequency (LF) sample for ... Monte Carlo multinomial replicates of the observed age length key (ALK) with each ALK used to generate a ... % to 10%. When random ageing error was combined with sampling error the corresponding values were lower ... , with a corresponding range of around 4 down to 1. This reduction is due to the way the ageing error ...

   Meeting Document : WG-SAM-09/08 : Auteur(s): S.G. Candy (Australia)

2. DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE

   upon the different requirements for the data, together with a recognition that, however thorough a ... errors and discrepancies are resolved in consultation with data owners/originators and, where possible ... review/reconciliation procedure with Members to ensure that CCAMLR data are consistent and current with ...

   Meeting Document : WG-SAM-09/05 : Auteur(s): Secretariat

3. The biology and ecology of mackerel icefish, Champsocephalus gunnari – an Antarctic fish species that lack haemoglobin

   exploited since the beginning of the 1970's with reported annual catches exceeding 50- 100 000 tomes in ... some years. Champsocephalus gunnari has many characteristics typical of Antarctic fish species with ... ability to reproduce at an early age coupled with a comparatively high fecundity and growth performance ... capacity to rebuild than species with the slower reproductive rates common in other notothenioids. Author(s ...

   Meeting Document : WG-FSA-96/24 : Auteur(s): Everson, I., Kock, K.-H.

4. Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea

   swarms identified with a Simrad EK60 (38 kHz, 120 kHz) echosounder were grouped into 4 categories ... -sectional areas of swarms were significantly larger inshore, with a mean value of 120 m 2 in the 0 to 50 km ... was also significantly greater, with an average density of 95 ind. M–3 compared to between 24 and 31 ... , dense swarms throughout the survey area, and this trend increased with decreasing distance from shore ...

   Meeting Document : WG-EMM-10/P09 : Auteur(s): T. Klevjer, G.A. Tarling and S. Fielding

5. Spatial overlap of krill-dependent predators and krill fishery catches and a proposal for subdivision of catch limits in Subarea 48.1

   overlap in Area 48, with particular emphasis on Subarea 48.1. We used habitat utilization data for ... in Subarea 48.1. In general, overlap of summer and winter foraging habitats with krill catches in ... might affect the distribution of fishing effort.  A comparison of CEMP parameters from two years with ... a Subarea limit of 155,000 tonnes provides a catch consistent with the objectives of Article II of ...

   Meeting Document : WG-EMM-14/36 : Auteur(s): J.T. Hinke, M.E. Goebel (USA), M.M. Santos (Argentina), P.N. Trathan (UK), W.Z. Trivelpiece and G.M. Watters (USA)

6. Priorités des groupes de travail et des sous-groupes pour les 4 prochaines années

   , and Conveners of the Working Groups and Subgroup, together with the Secretariat held a tele-conference ... next 4 years. This is solely a task for WG-EMM but will require close interactions with other groups to ... broadest participation of experts. Developing a clear common understanding of where we are heading with ... work of SG-ASAM closely links with feedback management, the priority work of WG-EMM and the SC in ...

   Meeting Document : SC-CAMLR-XXXIV/14 : Auteur(s): Conveners of WG-EMM, WG-SAM, WG-FSA and SG-ASAM

7. Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring

   unknown. The aim of this study was to improve the understanding of the krill's interaction with the ... interface (0-2 m) and comparing the size and developmental stage composition of krill with the pelagic ... size distribution of krill differed between the two depth strata sampled. Larval stages with a ... 's energy demand and swimming capacity increase with size and age. The degree of sea ice ...

   Meeting Document : WG-EMM-16/P16 : Auteur(s): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker

8. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... -380 m, 381-440, and 441-500 m). Sampling will be conducted using bottom trawl nets, with stations in ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ... these two previous surveys. With the data obtained in each Subarea, size composition, density and ...

   Meeting Document : WG-SAM-17/18 : Auteur(s): Delegation of Chile

9. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... -380 m, 381-440, and 441-500 m). Sampling will be conducted using bottom trawl nets, with stations in ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ... these two previous surveys. With the data obtained in each Subarea, size composition, density and ...

   Meeting Document : WG-FSA-17/28 : Auteur(s): Delegation of Chile

10. Selectivity-induced bias in growth parameter estimates

    being included in catch samples. Fish were included in catch samples from the population with ... Subarea 48.3. Substantial selectivity-induced bias was demonstrated, with the simulated catch sample data ... assessments in Subarea 48.3 are not incompatible with the Belchier (2004, WG-FSA-04/86) data. Author(s):  G.P ...

    Meeting Document : WG-FSA-SAM-05/19 : Auteur(s): G.P. Kirkwood (United Kingdom)

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