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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

    distribution from acoustic line-transect data. MaxEnt is founded on the bedrock of probability theory and ... allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... maximized. The method is iterative and uses the Bayesian approach of evaluating the posterior probability of ...

    Meeting Document : WG-EMM-02/35 : Autor(es): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

  2. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

    parameters. The paper is divided into four main parts. The first part develops the proposed method of forming ... Abstract:  A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring program (CEMP) into a single index for each of predator, prey and environmental ... summary indices, which is based on the usual theory of multivariate statistics and takes into account the ...

    Meeting Document : WG-EMM-00/14 Rev. 1 : Autor(es): W. de la Mare and A. Constable (Australia)

  3. Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys

    Abstract:  A proposal for a representative system of MPAs (RSMPA) for eastern Antarctica (CCAMLR ... Divisions 58.4.1 and 58.4.2) has been developed to satisfy overall the principles of comprehensiveness ... of the areas identified in the proposal (140-150°E from the coast to 60°S). This area has been ... studied by a number of countries in the CEAMARC surveys (Collaborative East Antarctic Marine Census) as ...

    Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi

  4. Some specific characteristics of Dissostichus eleginoides biology in the vicinity of the Kerguelen Islands (Division 58.5.1)

    present paper. Regular direct distribution of size groups D. eleginoides in depth range within the fishing ... Abstract:  For recent years Dissostichus eleginoids is the main target species of trawling and ... long-line fisheries in the vicinity of the Kerguelen Islands. Results of research made by the author on ... area on the northern slope of shelf was revealed. Difference in feeding spectrum of these groups was ...

    Meeting Document : WG-FSA-96/16 : Autor(es): Pshenichnov, L.K.

  5. CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins

    Abstract:  The suggestion that sex of Adélie penguins, Pygoscelis adeliae, might be assigned by ... observing which member of the pair (the male) takes the first long incubation shift (Anon. 1991) was ... examined for each of the 1990–91, 1991–92 and 1992–93 breeding seasons. There was an 8- or 9-day period ... when more than 90% of the incubating birds were male and a 6- or 7-day period when more than 90% of the ...

    Meeting Document : WG-CEMP-94/08 : Autor(es): K.R. Kerry, J.R. Clarke and G.D. Else (Australia)

  6. Development of a fine-scale model of land-based predator foraging demands in the Antarctic

    Abstract:  The CCAMLR Secretariat has been requested to provide annual calculations of the catch ... of krill within the critical period-distance of land-based predators in Subareas 48.1 and 48.2 (100km ... from colonies, December- March). This index of the overlap of predators and the fishery is unsuitable ... for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ...

    Meeting Document : WG-Joint-94/08 : Autor(es): D.J. Agnew and G. Phegan (Secretariat)

  7. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2014

    provides the scientific basis for the evaluation of marine protected areas (MPAs) in the Weddell Sea ... . Please note, that the current state of the background document presents a comprehensive yet incomplete ... structure of the document reflect also its main objectives, i.e. (i) to set out the general background and ... context of the establishment of MPAs, (ii) to describe the boundaries of the Weddell Sea MPA Planning Area ...

    Meeting Document : SC-CAMLR-XXXIII/BG/02 : Autor(es): Delegation of Germany

  8. RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS

    Abstract:  Four species of penguin breed regularly at South Africa’s Prince Edward Islands: king ... pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...

    Meeting Document : WG-EMM-10/P1 : Autor(es): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper

  9. INGESTION OF FISHING GEAR AND ENTANGLEMENTS OF SEABIRDS: IMPLICATIONS FOR MONITORING AND MANAGEMENT

    non-target species. Although deliberate dumping of plastics at sea is banned, not all fisheries ... legislation prohibits discarding of gear (hooks and line) in offal, and compliance is often unknown. Analysis ... of a 16 year dataset collected at Bird Island indicated that the amount of gear found in association ... with wandering albatross colonies was an order of magnitude greater than in any other species ...

    Meeting Document : WG-IMAF-09/10 : Autor(es): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)

  10. CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48

    -predator-fishery dynamics described in an accompanying paper is conditioned using the WG-SAM set of ... Abstract:  The updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ...

    Meeting Document : WG-EMM-08/44 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)

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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

 

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Recent and Upcoming Meetings

  • WG-EMM-2025
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