Résultats de la recherche

1. Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records

   Abstract:  Juvenile/larval fish taken as bycatch in the Antarctic krill fishery (CCAMLR subarea ... identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... by observers (5 families; 8 species) was considerably lower than with DNA barcoding (7 families; 20 ... B. Deagle Title:  Genetic identification of fish caught as by-catch in the Antarctic krill fishery ...

   Meeting Document : WG-EMM-18/30 : Auteur(s): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle

2. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

   breeding population at Bird Island decreased by 20% and increased by 84% in successive years during the ... varied annually, and with age of the breeding bird, nest location and, in one year, with laying date ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ... -3.4 days. Chicks creched when 25-30 days old. and this varied between years. possibly related to food ...

   Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)

3. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season

   % compared to last year; the lowest number of entanglements recorded since 1989. As in previous years, most ... 64% from last year. For the first time since records started in 1990, none of the injuries were ... Abstract:  The number of entanglements in the fifteenth consecutive winter surveyed, decreased by ... individuals observed entangled in debris were juveniles (80% of winter and 50% of summer observations). Of the ...

   Meeting Document : SC-CAMLR-XXIV/BG/16 : Auteur(s): Delegation of the United Kingdom

4. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

   in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... Generalized Yield Model). The 2019 survey showed a large 2+ and 3+ cohort in the population. Catches of 527 t ...

   Meeting Document : WG-FSA-2019/02 : Auteur(s): D. Maschette, G. Nowara and D. Welsford

5. ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3

   fishing for krill in Subarea 48.3 were analysed using Variance Components Analysis. Krill mean and median ... length and larval fish bycatch were analysed. In Subarea 48.3, a partial coverage sampling programme has ... been implemented since 2002. Observers have been placed on approximately 50% of vessels fishing in any ... one season, and have been present on board for about 30% of the fishing season. They have achieved a ...

   Meeting Document : WG-EMM-09/25 : Auteur(s): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)

6. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3

   recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020  and 2021 seasons ... Abstract:  Assessment of the Patagonian toothfish (D. eleginoides) in Subarea 48.3 indicates that ... the current status of the stock is at 50% of B 0. Spawning biomass has been relatively constant in ... toothfish (Dissostichus eleginoides) in Subarea 48.3 Microsoft Word File:  fsa-2019-28.docx Approval ...

   Meeting Document : WG-FSA-2019/28 : Auteur(s): T. Earl

7. Uncertainty in green weight estimates from Norwegian krill fishing vessels

   an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... krill fishery for Euphausia superba in the Antarctic. These vessels have in recent years contributed to ... form implemented for the fleet in 2012. There are at present three Norwegian vessels operating in the ... therefore be important contributions to an estimate of total uncertainty in catch weight. Here, we present ...

   Meeting Document : WG-EMM-13/41 : Auteur(s): G. Skaret and T. Knutsen (Norway)

8. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   , this increase may be suspended or reversed in any year depending on how many of the previous three year ... reductions may prove necessary during the 20 year period considered. Simulation tests, including one ... Article II is proposed: the primary objective is to prevent the expected lowest biomass of krill over a 20 ... Abstract:  An operational management procedure for krill in sub-Areas 48.1 + 48.2 + 4 48.3 ...

   Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2002 winter and 2002/03 breeding season

   reported here. The overall number of entanglements showed a decrease from last year of 55% in winter and 67 ... years, most individuals observed entangled in debris were juveniles (88% of winter and 81% of summer ... %. Severe injuries accounted for 33% of entanglements over winter and 25% during the summer. As in previous ... observations), the reasons for this are discussed. Of the entanglements where the animal could be sexed, males ...

   Meeting Document : SC-CAMLR-XXII/BG/11 : Auteur(s): Delegation of the United Kingdom

10. Principles for evaluating data collection plans in data-poor exploratory fisheries

    developing robust assessments of status of Dissostichus spp. in exploratory fisheries. Each additional year ... in accordance with the principles set forth in Article II of the Convention. However, several times ... over the last five years the Scientific Committee has noted with concern the lack of progress in ... Commissions’ goals for new, exploratory and closed fisheries as well as satisfying the objectives in Article ...

    Meeting Document : WG-SAM-11/08 : Auteur(s): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

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