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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. An outline of narrowband echosounder survey methods to estimate biomass of Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

    will be conducted in CCAMLR Division 58.4.1 during 2018/19. The biomass estimation will be conducted ... according to the up-to-date CCAMLR standard protocol. The first standardized survey was conducted by CCAMLR ... in 2000 as the CCAMLR-2000 survey. Quantitative echosounders has evolved since then and a current ... broadband frequency modulation wave (FM), CW will be used for biomass estimation to follow the CCAMLR ...

    Meeting Document : SG-ASAM-18/02 : Autor(es): K. Abe, K. Amakasu, R. Matsukura, T. Mukai and H. Murase

  2. Penguins, fur seals, and fishing: prey requirements and potential competition in the South Shetland Islands, Antarctica

    may have a significant effect on krill abundance, we estimated the energy and prey requirements of ... and female Antarctic fur seals (Arctocephalus gazella) breeding on the South Shetland Islands ... , Antarctica and compared these estimates with catch statistics from the Antarctic krill fishery. Published ... offspring. Due to their large population size, chinstrap penguins were the most significant krill predators ...

    Meeting Document : WG-EMM-99/57 : Autor(es): D.A. Croll and B.R. Tershy (USA)

  3. Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

    Abstract:  Krill distribution and density are reviewed for the Elephant Island area with regard to ... the representativeness of the study area (60°- 62°30'S and 53°- 57°30 'W) for the ... recruitment and density indices. Recruitment indices were re-calculated applying the delta distribution ... approach introduced by de la Mare (1994a). The high interannual variability of krill recruitment is ...

    Meeting Document : WG-EMM-96/45 : Autor(es): de la Mare, W., Loeb, V., Siegel, V.

  4. Large scale circulation in the South Atlantic: estimates from giant iceberg drift rates

    Abstract:  The paper reports work currently in progress and presents estimates for ocean ... circulation in the Scotia Sea. The estimates are derived from the drift rates of giant icebergs calved in the ... Weddell Sea since 1974. Comparison with other estimates is limited by the lack of studies reported in the ... (United Kingdom) Title:  Large scale circulation in the South Atlantic: estimates from giant iceberg drift ...

    Meeting Document : WS-Flux-94/06 : Autor(es): P.N. Trathan and C. Symon (United Kingdom)

  5. Regional catch analysis of the longline fishery of Dissostichus eleginoides (Pisces: Nototheniidae) in Chile

    Abstract:  Capture statistic analyses from the different regions of Chile where fishery of ... statistics published by the SERNAP (National Fishery Service). It shows that activity has lasted few years in ... each geographic region considered. As captures have decreased in the northern zone, the artisanal fleet ... has migrated towards south, concentrating actually in the X Region of Chile and we attract attention ...

    Meeting Document : WG-FSA-91/10 : Autor(es): C. Lemaitre, P. Rubilar, P. Gebauer and C.A. Moreno (Chile)

  6. Dynamics of abundance and state of Notothenia rossii rossii stocks on the Kerguelen Island shelf

    Abstract:  Population structure and dynamics of the abundance of Notothenia rossii rossii on the ... Kerguelen Island shelf from the beginning of the fishery to 1984 has been examined.Total and commercial ... calculation by mathematical modelling.Comparative estimates of the abundance and recruitment-remainder ratio ... for the period of 1970-1984 have been presented, the average age of recruitment has been stated ...

    Meeting Document : WG-FSA-90/41 : Autor(es): P.B. Tankevich and V.A. Shlyakhov (YugNIRO, USSR)

  7. Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates

    the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... approach that uses the current data on catch (C2 data), tag-recovery effort and tag-release data from Dunn ... et al. (2005c), but ignores movements of tagged and untagged fish. The results suggest that as the ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ...

    Meeting Document : WG-FSA-SAM-06/10 : Autor(es): A. Dunn (New Zealand)

  8. A methodology for estimating total finfish by-catch of the Area 48 krill fishery

    Abstract:  The report presents a methodology that can be used to estimate the total finfish ... bycatch of the Area 48 krill fishery and quantify the impact of bycatch on the finfish stocks using data ... that is currently available, applied to data collected by Scientific Observers on the FV Saga Sea ... and Myctophidae species using delta-lognormal GLMs presented in Martin et al. (2012).  The bycatch ...

    Meeting Document : WG-EMM-12/29 : Autor(es): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)

  9. Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

    Abstract:  The diet of Antarctic silverfish (Pleuragramma antarcticum) was evaluated by examining ... stomach contents of specimens collected in the Ross Sea (71°–77°S, 165°E–180°) in January–March 2008 ... composition of carbon and nitrogen. According to index of relative importance (IRI), the most important prey ... by silverfish occurred mainly in the extreme south-west of the region and near the continental slope ...

    Meeting Document : WG-EMM-12/54 : Autor(es): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)

  10. Fatty acid analysis to infer diet of Antarctic toothfish caught in February 2012 in the southern Ross Sea

    Abstract:  To infer important prey resources for Antarctic toothfish (Dissostichus mawsoni) in the ... south of SSRUs 881.J and 881.L in the southern Ross Sea, their lipid composition was determined and ... compared tolipid profiles of fish and invertebrate species taken as bycatch in the fishery or collected ... identify feeding relationships between these species. The aim of this study was to establish the ...

    Meeting Document : WG-FSA-12/61 : Autor(es): I. Yeon, H.-S. Jo, C. Lim (Republic of Korea), S.M. Hanchet (New Zealand), D.-W. Lee and C.-K. Kang (Republic of Korea)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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