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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. New possibilities of krill-dependent indicator species monitoring – UAV survey in Subarea 48.1

    software. In selected colonies a comparison with the results of measurements taken at the same time from ... study distribution and population size of three Pygoscelis penguin species on King George Island ... performed. The total flight time of the missions was 40 hours and 56 minutes. Flights covered the area of ... objective lens. Flights altitude at 350 – 550 m AGL (Above Ground Level) allowed images to be taken with a ...

    Meeting Document : WG-EMM-17/03 : Autor(es): M. Korczak-Abshire, A. Zmarz, M. Rodzewicz, R. Storvold, M. Kycko, I. Karsznia, A. Kidawa and K.J. Chwedorzewska

  2. Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport

    variability of influx to South Georgia, at times concentrating the influx into pulses of arrival. This ... critical food source and shelter, particularly in the early life stages. Advective modelling of transport ... pathways of krill have until now been on regional scales and have not taken explicit account of sea ice ... . Here we present Lagrangian modelling studies at the circumpolar scale that include interaction with sea ...

    Meeting Document : WG-EMM-07/P10 : Autor(es): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)

  3. Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area

    annual catches were from 0.5 to 3.1 x 103 tonnes. Mean length of fish taken at 300- 500 m depth was 58.1 ... cm, mean age was 5.8 years. Mean length of fish taken at 540- 600 m depth was 85.8, mean age was 9.7 ... Abstract:  Results of length-age composition studies of the Patagonian toothfish, Dissostichus ... eleginoides, from various fishing grounds of the shelf and continental slope areas of the Kerguelen Islands ...

    Meeting Document : WG-FSA-92/08 : Autor(es): V.G. Prutko and V.N. Chikov (Ukraine)

  4. Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South Orkney Islands)

    Ridge have rather simple size composition (one or two size groups), but at the level or to the south of ... Bellingshausen Sea), which drift along opposite side of the South Antilles Ridge (near to South Orkney Island at ... suppose also seasonal patern of adolescent E.superba drift from Antarctic peninsula side. At last, the ... Abstract:  Clarification of main tendencies of spatial changeability of size composition of ...

    Meeting Document : WG-KRILL-91/11 : Autor(es): V.I. Latogursky and R.R. Makarov (USSR)

  5. Measurement of ocean temperatures using instruments carried by Antarctic fur seals

    . Congruence was found at horizontal spatial scales from 0.01° X 0.01° to 0.5° X 0.5° (degrees of latitude and ... longitude), and at a vertical scale of 10 m. However, there was no significant correlation between ... Abstract:  The study aimed to test the utility of instruments deployed on marine mammals for ... recorders (TDRs) fitted to lactating Antarctic fur seals foraging from the coast of South Georgia ...

    Meeting Document : WG-EMM-01/56 : Autor(es): I.L. Boyd, E.J. Hawker, M.A. Brandon and I.J. Staniland (United Kingdom)

  6. Possible options for the future management of the Antarctic krill fishery in Subarea 48.2

    . The proposed framework includes the use of CEMP sites, remote cameras at important land-based predator ... breeding colonies, at-sea observations of predators, oceanographic moorings with acoustic sensors, acoustic ... that might facilitate the development of new management procedures for the krill fishery in Area 48. In ... 2014, the state of ecological knowledge for Subarea 48.2 was reviewed, and it was suggested that the ...

    Meeting Document : WG-EMM-15/10 : Autor(es): P.N. Trathan (United Kingdom), O.R. Godø (Norway) and S.L. Hill (United Kingdom)

  7. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

    coastal downwelling and changes in the at-sea habitat usage of chinstrap penguins (Pygoscelis antarctica ... indicators because their performance is presumed to be linked to the overall function of the ecosystem that ... supports them. In the southwest Atlantic sector of the Southern Ocean, Antarctic krill (Euphausia superba ... indices of krill predators have been proposed as a proxy for krill abundance.  However, there are several ...

    Meeting Document : WG-EMM-18/P14 : Autor(es): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

  8. Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands

    Abstract:  Samples of Chaenocephalus aceratus were collected during a trawl survey carried out ... observed in other recent surveys within the same area, C. aceratus represented one of the predominant ... along their sagittal plane. To estimate the precision of age data, we compared blind readings by readers ... Bertalanffy growth curves were fitted to the estimated age-length data for each sex. The estimated values of ...

    Meeting Document : WG-FSA-02/77 : Autor(es): M. La Mesa, J. Ashford, E. Larson and M. Vacchi

  9. Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects

    at 0.3 m/s to 15 m depth. Sink rates can be achieved by adding external weights to lines or by using ... lines with weigh integrated into the rope fibres. The sink rates to 15 m depth of 9 mm demersal ... 0.353 m/s, respectively. The longline with externally attached weights sank at 0.32 m/s. IW longlines ... . Catch rates of ling varied with line weight but results are indeterminant due to the small sample sizes ...

    Meeting Document : WG-FSA-02/22 : Autor(es): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)

  10. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

    assessments. The estimate of biomass of mackerel icefish for the population at Heard Island was not ... current estimates of length at age parameters would be for most of the fish to be three year olds. However ... Abstract:  A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ...

    Meeting Document : WG-FSA-02/47 : Autor(es): A.J. Constable, R. Williams and T. Lamb (Australia)

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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

 

Enlaces destacados

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  • Lista de medidas de conservación vigentes en la temporada 2024/25

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