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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Incidental mortality of seabirds and marine mammals during longline fishing around the Falkland/Malvinas Islands

    Abstract:  Data on incidental mortality of seabirds and marine mammals associated with longline ... fishing around the Falkland Islands between August 1996 and May 1997 are briefly summarised. For seabirds ...

    Meeting Document : WG-FSA-97/21 : Autor(es): Cielniaszek, Z., Croxall, J.P.

  2. Preliminary assessment of the South Georgia toothfish stock, 2007

    be considered, and that the toothfish assessment is undertaken at periods of greater than one year ... Abstract:  1. The catch-at-length based CASAL model for toothfish at South Georgia is updated with ... data that tag-induced growth retardation is also related to size, smaller fish suffering less growth ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ...

    Meeting Document : WG-FSA-07/29 : Autor(es): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)

  3. Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population

    Abstract:  Understanding the demographics of Antarctic krill over large scales may be complicated ... by regional differences in the 11 processes that govern population structure. The influence of ... modal size classes that was not present 15 in the raw data. Optimising the mortality rate, to minimise ... rate at South Georgia that the South Shetlands. The intra-specific variations in growth and mortality ...

    Meeting Document : WG-EMM-02/16 : Autor(es): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)

  4. Ocean acidification and the Southern Ocean

    , including the Southern Ocean. The relative undersaturation of CaCO3 in the Southern Ocean suggests that ... organisms such as the pteropods that form the base of much of the Southern Ocean food chain. Orr et al (2005 ... ) predicted that under the Intergovernmental Panel on Climate Change (IPCC) IS92a warming scenario, which ... be undersaturated throughout the Southern Ocean. Even under the more conservative IPCC S650 scenario ...

    Meeting Document : CCAMLR-XXIX/BG/24 : Autor(es): ASOC Observer

  5. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

    between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... random hauls were completed around Shag Rocks with 3 additional opportunistic sites at South Georgia ... . Reasonable catches of Patagonian toothfish were found around Shag Rocks (greater than in 2009 and 2010), with ... -weighted length frequencies of mackerel icefish indicated that 2+ and 3+ sized fish dominated at Shag Rocks ...

    Meeting Document : WG-FSA-12/37 : Autor(es): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

  6. The feeding peculiarities of the Antarctic seals in the region of the archipelago of Argentina Islands

    islands archipelago, that was spent through out 11 Ukrainian Antarctic expedition (2006-2007), has shown ... that krill (Euphausia superba) is the main type of food for the major species of seals in region. Krill ... growth in comparison with literary data аccording to Weddell seal (L. weddelli) newborns monitoring. It ... archipelago water area in which diet krill prevails also (about 70 %). Considering that from 5 seals species ...

    Meeting Document : WG-EMM-12/P01 : Autor(es): I. Dykyy

  7. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

    previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ... 0.21 tonnes. The vessel's fishing master had no experience of fishing for icefish and was not well ...

    Meeting Document : WG-FSA-98/53 : Autor(es): G. Parkes, A. King and C. Jones (United Kingdom)

  8. REVISED RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4A and B BY SHINSEI MARU NO. 3 IN 2009/10

    , and on fishing trials using both Trot line and Spanish line systems so that their properties can be ... division that includes 4 SSRUs, taking into account the conservative exploitation rate (less than 3.8 % of ... the effort on a smaller subset of this Division is thought to be more reasonable in terms of ... , sufficient tagging rate was calculated to be 5 fish/ton, which can predict the CV of a Petersen estimate of ...

    Meeting Document : WG-FSA-09/12 : Autor(es): Delegation of Japan

  9. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

    Committee to provide the Commission with advice on how precautionary limits could be applied to subareas or ... recognize that other tradeoffs may be equally important. Alternatives that allocate the 1.5 million ton ... tradeoff to be important: choosing a biologically explicit alternative and delaying implementation, or ... limit by evenly dividing the catch among subareas or by using historical catches to set limits can be ...

    Meeting Document : WG-KRILL-92/16 : Autor(es): G. Watters and R.P. Hewitt (USA)

  10. Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2

    differences in diet, growth and longevity, and location. We conclude that these results can only be explained ... . mawsoni. The three prey species had intermediate mercury levels, with Whitson’s grenadier (Macrourus ... dewitti) and blue antimora (Antimora rostrata) were at low levels, similar to that of D. mawsoni. Mercury ... levels were positively correlated with fish length in four of the species. Mercury levels also showed ...

    Meeting Document : WG-FSA-07/24 : Autor(es): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)

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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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  • WG-FSA-2025
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