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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean

    Abstract:  On the processes to investigate a proper model for understanding the processes that ... govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... OGCM (Ocean General Circulation Model) (2) to develop a one dimensional ecosystem model that can be ... ecology (4) to develop a numerical model to couple the OGCM and ecosystem models (5) to develop a ...

    Meeting Document : WG-EMM-95/52 : Autor(es): Naganobu, M., Kishi, M.J.

  2. Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too

    of the precautionary catch limit for krill. Foosa might therefore be a suitable simulation platform ... for evaluating feedback management approaches. Although Foosa resembles a minimum realistic model, it ... . There is a global need to develop strategic frameworks for assessing uncertainty in ecosystem dynamics ... models. Such a framework could incorporate elements of the evaluation of Foosa, but it should also ...

    Meeting Document : WG-EMM-12/20 Rev. 1 : Autor(es): S. Hill and J. Matthews (United Kingdom)

  3. A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments

    Abstract:  Length frequency distributions (LFD) of catch collected as a random sub-sample from ... /or gear specific selectivity. A distribution-free model of LFD is described which is fitted to the ... set of length quantiles L for a predetermined set of corresponding probabilities P (in this instance ... fish. The L s were modelled as a Gaussian response variable using a Generalised Additive Mixed Model ...

    Meeting Document : WG-SAM-13/18 : Autor(es): S. Candy, P. Ziegler and D. Welsford (Australia)

  4. Development of a spatially-explicit minimum realistic model for Antarctic toothfish (Dissostichus mawsoni) and its main prey (Macrouridae and Channichthyidae) in the Ross Sea

    Antarctic toothfish and its main prey, grenadiers (Macrouridae) and icefish (Channichthyidae), we develop a ... spatially explicit model using a predator-prey suitability model for the Ross Sea Region. We model the age ... fishing mortality on both prey species and that icefish is expected to show a larger increase in biomass ... through time than grenadiers. It also suggests that a prey-suitability function is more likely than a ...

    Meeting Document : WG-EMM-14/51 : Autor(es): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)

  5. Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula

    and we need to understand the impact on marine ecosystems. A diverse community of killer whales ... (Orcinus orca; Types B1, B2 and A) are important top predators around the AP, but there are currently no ... Antarctica. In contrast, less is known about the Type A killer whales that are more typical in appearance to ... killer whales sighted in other parts of the world.  Sightings of Type A around the AP have been ...

    Meeting Document : WG-EMM-17/49 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

  6. Adélie penguin diet: a pilot study directly comparing data from stomach flushing with faecal DNA analysis

    composition and mass. Analysing prey DNA in faeces may be a useful, less invasive, approach to complement ... existing diet monitoring. We undertook a pilot study to directly compare these two methods using Adélie ... /January) in 2014/15 and 2015/16. Each method produced a similar pattern of penguin diet, with a shift from ... almost exclusively krill in 2014/15 to a mixture of fish and krill in 2015/16. Stomach flushing allows ...

    Meeting Document : WG-EMM-18/29 : Autor(es): B. Deagle, J. McInnes, L. Emmerson, M. Dunn, S. Adlard and C. Waluda

  7. An identification of areas within the high seas of the Southern Ocean that would contribute to a representative system of marine protected areas

    the primary responsibility for developing a representative system of marine protected areas (RSMPA ... conservation planning to identify potential areas for inclusion in a RSMPA. We address this gap in existing ... knowledge by identifying areas that would contribute to a comprehensive, adequate and representative system ... underway. We aim to identify a system of areas that will capture the set of specified conservation features ...

    Meeting Document : WS-MPA-11/16 : Autor(es): L.L. Douglass, D. Beaver, J. Turner and R. Nicoll (WWF–ASOC)

  8. Proposal for a SCOR Working Group to identify Ecosystem Essential Ocean Variables for measuring change in the biological properties of marine ecosystems

    Abstract:  A proposal for a SCOR “Working Group to identify Ecosystem Essential Ocean Variables ... Group is to develop a set of essential variables for monitoring that would contribute to assessments of ... whole-of-ecosystem status and change.  The intention of the SCOR Working Group is to provide a mechanism ... for linking a number of groups working on this issue, leading to a symposium in 2016.  The proposal is ...

    Meeting Document : WG-EMM-12/45 : Autor(es): A. Constable (Australia)

  9. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2013 random stratified trawl survey

    vicinity of Heard Island during April 2013. This paper provides a preliminary assessment of mackerel ... using standard CCAMLR methods. A large cohort of fish, estimated to be 3+, dominates the population in ... both abundance and biomass. Two scenarios for harvest are presented – a typical two year projection of ... the population, and a projection accounting for the fact that the abundant 3+ year class is likely to ...

    Meeting Document : WG-FSA-13/23 : Autor(es): D.C. Welsford (Australia)

  10. A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size

    2013/14 the vessel Argos Georgia achieved a tag overlap statistic of 52% rather than the required ... minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... not a case of only small fish being tagged. The low tag overlap statistic is shown to be a sampling ...

    Meeting Document : WG-FSA-14/31 : Autor(es): C. Darby (United Kingdom)

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Datos de contacto

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

  • Ofertas de empleo
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  • Lista de medidas de conservación vigentes en la temporada 2024/25
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Recent and Upcoming Meetings

  • WG-EMM-2025
  • WG-FSA-2025
  • SCIC-2025
  • SC-CAMLR-44
  • CCAMLR-44

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