Résultats de la recherche

1. A two-fleet ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   updated to take account of further catch, GLM standardised CPUE and catch-at- length information that has ... Abstract:  The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... feature which has important implications for the status of the population. The possible extent of cetacean ... of various constant annual catches for the two-fleet model are computed. Although higher sustainable ...

   Meeting Document : WG-FSA-05/58 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

2. Preliminary results of stock estimation for D. mawsoni using CASAL in the research block 48.6_2

   Abstract:  A preliminal CASAL model was constructed for D. mawsoni at the research block 48.6_2 ... CPUE fit well. On the otherhands, fit of tag release are relatively low level, especiall in 2016. The ... . The MCMC estimates of B0 (18143.15t) and current biomass (17431.60 t) are much higher than the latest ... seems to converge well, We need futher discussion to improve the CASAL model for D. mawsoni at Subarea ...

   Meeting Document : WG-FSA-18/72 : Auteur(s): T. Okuda

3. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   fishing aggregation comprised 3 periods of harvesting; catch rates per hour showed evidence of decline at ... the end of the first two periods, but were increasing at the end of the third period when the Subarea ... period 1999/2000 to 2014/2015. We show that since 2013, both the number of hauls as well as the ... associated level of catch has increased in Subarea 48.1 during the penguin breeding season. We explore in ...

   Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill

4. Review of activities in monitoring marine debris in the CAMLR Convention Area

   originated in 2002 there have been no closed bands found at any of the three sites.  The amount of debris in ... colonies of grey-headed albatrosses, wandering albatrosses and black-browed albatrosses at Bird Island ... -fishing items such as plastics, packaging materials and wood remain the most common type of debris items ... decreased significantly since 2011, with the major category of items found being plastics.  The amount of ...

   Meeting Document : WG-FSA-12/64 : Auteur(s): Secretariat

5. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

   , Newfoundland, in order to estimate the increase in size at the time of molting. Ninety-two animals were ... recaptured which had usable information on growth increments. Based on the amount of growth, we hypothesized ... that 20 of these had molted once while the remainder molted twice. Two lines of evidence support this ... interpretation. First, animals in the group presumed to have molted twice were at liberty on average twice as ...

   Meeting Document : WS-CRAB-93/12 : Auteur(s): D.M. Taylor and J.M. Hoenig (USA)

6. Proposal for the establishment of a marine CCAMLR MPA in the Weddell Sea (Antarctica) – First conceptual outline

   study aiming at a Weddell Sea MPA, (ii) give a systematic overview of our preliminary data retrieval ... domains CCAMLR member states were asked to take the lead in MPA planning. At the CCAMLR meeting in 2012 ... , the Commission welcomed the offer of Germany to take the lead in developing a Weddell Sea MPA for ... consideration in 2014. Subsequently, the German Federal Ministry of Food, Agriculture and Consumer Protection ...

   Meeting Document : WG-EMM-13/22 : Auteur(s): K. Teschke, B. Dorschel, J. Gutt, S. Hain, H. Hellmer, K. Jerosch, R. Knust, K.-H. Kock, M. Schlüter, V. Siegel and T. Brey (Germany)

7. Depth and temperature preferences of Antarctica toothfish (Dissostichus mawsoni) from a pilot popup satellite archival tag study in the Mawson Sea

   appeared to have remained in the Mawson Sea area for the majority of time at liberty. The recaptured ... mawsoni) released in the Mawson Sea were analyzed. Toothfish were at liberty for 36-366 days, and yielding ... depth range of 326 to 1824 m and a temperature range of-1.95 to 0.7°C.  Through available depth and ... warranted to observe similar ascents in other individuals, and be analyzed in the greater context of ...

   Meeting Document : WG-FSA-18/22 : Auteur(s): C.H. Lam, S.-G. Choi, E. Kim, S. Chung, J. Lee and D.H. An

8. DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES

   conducted which looked at the behaviour of cetaceans around fishing vessels in the area. To aid ... Abstract:  Observer data collected on longliners between 2003 and 2009 was analysed to look at the ... levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocaphalus ... ) around South Georgia. Since 2003 cetaceans have been observed on 3000 out of 14644 observed lines (20.5 ...

   Meeting Document : WG-FSA-09/16 : Auteur(s): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)

9. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   Abstract:  A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ... . About 17% of the recaptures could not be matched to a release observation, mainly because of missing ...

   Meeting Document : WG-FSA-06/34 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

10. Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season

    integrated system collected video data from three cameras (two at the starboard hauling area and one at the ... and sensor data could be easily analysed to understand fishing activities (including understanding of ... developed to supplement and assist with scientific observation. This type of system has the potential to ... assist in improving the accuracy of data recording by observers, as well as allowing observers more time ...

    Meeting Document : WG-SAM-18/20 : Auteur(s): B. Plum, A. Smith and S. Parker

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