Resultados de la búsqueda
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New data on trematodes (Plathelminthes, Trematoda) of fishes in the Ross Sea (Antarctic)
Abstract: Records of 14 trematode species, collected from bottom fishes from the western and ... northern parts of the Ross Sea, are given. Trematodes Otodistomum cestoides van Beneden, 1871, Lecithaster ... . are recorded from the Ross Sea for the first time. Proctophantastes sp. differs from other species of ... Proctophantastes Odhner, 1911 by the morphology of the ventral equatorial ridge of the ventral sucker. Author(s ...
Meeting Document : WG-FSA-14/P02 : Autor(es): S.G. Sokolov and I.I. Gordeev
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
Abstract: This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the ... fins and in the buccal cavity of 621 large D. mawsoni (mostly 120-150 cm). Up to five D. mawsoni per ...
Meeting Document : WG-FSA-06/28 : Autor(es): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea
georgiana, which are the major bycatch species in the exploratory fishery for toothfish in the Ross Sea ... vulnerable to overfishing. The risk to A. georgiana is mitigated due to a CCAMLR programme to cut all skates ... from longlines whilst still in the water and release them. Macrourus whitsoni were categorized as ... overfishing, catch rates in the toothfish fishery have not declined, juveniles are not selected by the fishery ...
Meeting Document : WG-FSA-05/21 : Autor(es): R.L. O’Driscoll (New Zealand)
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Description of an AD Model Builder implementation of the exact time of release and recapture stock assessment model of Tuck et al. (2003)
model and applied it to the stock of Patagonian Toothfish, Dissostichus eleginoides,at Macquarie Island ... the Working Group on Fish Stock assessment in 2000 (Tuck et al. 2000; CAMLR-XIX, 2000 paragraphs 3.126 ... , 3.127). The maximum likelihood estimation for this model has more recently been implemented in the AD ... Model Builder software by Dr Tuck. The AD Model Builder executable that implements Tuck et al. (2003) in ...
Meeting Document : WG-FSA-04/75 : Autor(es): S.G. Candy, A.J. Constable and D. Erceg (Australia)
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ACCURACY OF BENTHIC INVERTEBRATE BY-CATCH IDENTIFICATION BY OBSERVERS OPERATING IN THE HEARD ISLAND AND MCDONALD ISLANDS PATAGONIAN TOOTHFISH LONGLINE FISHERY
Abstract: As a means of testing the accuracy of observer identifications and to provide ... additional data on benthic invertebrate by-catch; observers operating aboard the longline fishing vessel ... to Heard Island and McDonald Islands (HIMI) for onshore verification by taxonomists at the Australian ... Antarctic Division (AAD). Observers displayed a high level of accuracy (89%) in the identification of ...
Meeting Document : WG-FSA-09/23 : Autor(es): T. Hibberd (Australia)
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Commercial krill fisheries in the Antarctic 1973–1988
Abstract: STATLANT data reported to the Commission for the Conservation of Antarctic Marine ... Living Resources (CCAMLR) are used to discern visible trends in catch and effort for the Antarctic krill ... (Euphausia superba) fishery between 1972/73 and 1987/88. With time the annual krill catch rose gradually to a ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ...
Meeting Document : SC-CAMLR-VIII/BG/11 : Autor(es): Delegation of South Africa
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A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica
obtained from the bycatch of the longline fishery for toothfish (Dissostichus mawsoni and D. eleginoides ... ) in the Ross Sea, Antarctica. Counts of zones visible in sectioned otoliths were used to estimate ... growth parameters for these species. The estimates must be considered preliminary because they are ... unvalidated, the otoliths are quite difficult to interpret, and the sampled fish do not represent the full ...
Meeting Document : WG-FSA-10/19 : Autor(es): P.L. Horn and C.P. Sutton (New Zealand)
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Update for CCAMLR WG-EMM on the BAS, BirdLife, SCAR penguin tracking database development and analysis project
Abstract: In late 2012 SCAR, BirdLife and BAS developed a successful proposal (to the UK Darwin ... Plus Fund) to build an integrated database that would facilitate the analysis of penguin tracking data ... . The database will have a web-based user interface that will allow data holders to submit data and ... attach a range of access levels; access may be granted only to the data holder, to a wider group, or to a ...
Meeting Document : WG-EMM-14/03 : Autor(es): P. Trathan, B. Lascelles (United Kingdom) and M. Hindell (Australia)
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... on almost every seamount in every year and usually in proportion to the level of tagging on the ... seamount in the previous year. Trends in local biomass estimates for individual seamounts and SSRU 88.2H ... overall showed a decline in biomass through time with a slight increase in biomass since 2012. The pattern ...
Meeting Document : WG-FSA-14/58 : Autor(es): S.J. Parker and S. Mormede (New Zealand)
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2018/2019
Abstract: SCAR is an interdisciplinary body of the International Science Council (ISC ... initiating, developing and coordinating high quality international scientific research in, from and about the ... Antarctic and the Southern Ocean, and providing objective, independent scientific advice. SCAR’s Mission is ... knowledge, understanding and education on any aspect of the Antarctic region and its role in the Earth ...
Meeting Document : SC-CAMLR-38/BG/16 : Autor(es): Submitted by SCAR