Resultados de la búsqueda
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The identification of scientific reference areas in the wider context of MPA planning – report of the CCAMLR scholarship recipient
Abstract: Domain 1 faces changes to the climate and changes in the operation of the fishery, in ... which the recent D1MPA preliminary proposal is of particular importance. In this context, the ... and have significant benefits in understanding change. Existing monitoring programmes and study sites ... in Domain 1, including integrating programmes such as SOOS, are a strong foundation on which to build ...
Meeting Document : WS-SM-18/17 : Autor(es): A. Capurro, M.M. Santos, R. Cavanagh and S. Grant
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Is our attempt to estimate biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
Abstract: Notothenia rossii was the first target species of the fishery in the Southern Ocean ... this species was one of the first conservation measures CCAMLR adopted in 1985. Fish biomass within a ... violated in the case of N. rossii which shows an abundance which is extremely skewed in that a large ... proportion of the population tends to aggregate in small areas while most of the area of distribution is only ...
Meeting Document : WG-FSA-03/12 : Autor(es): K.-H. Kock (Germany), M. Belchier (United Kingdom) and C.D. Jones (USA)
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
conducted by the Federal Republic of Germany in 1985, Spain in 1991, and the United States in 1999 ... . Biomass levels in March 1999 were compared to previous trawl surveys conducted in Feb. 1985, and Jan-Feb ... and Lepidonotothen larseni. Although there is substantial variability in point estimates, biomass ... . Author(s): C.D. Jones (USA), K.-H. Kock (Germany) and E. Balguerías (Spain) Title: Changes in biomass ...
Meeting Document : WG-FSA-99/32 : Autor(es): C.D. Jones (USA), K.-H. Kock (Germany) and E. Balguerías (Spain)
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ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009
Abstract: In 2008 fishing season the Russian flagged vessel ' Maxim Starostin ' started ... fishing operations for krill in the Convention area. The vessel used both conventional and continuous ... between January and March, 2009 in the area adjacent to the Southern Orkney Islands (CCAMLR Area 48.2 ... krill aggregations in South Orkney Islands region. These aggregation have complex size structure and ...
Meeting Document : WG-EMM-09/29 : Autor(es): D. Sologub (Russia)
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Preliminary results on the composition and abundance of the krill stock in the southern Bellingshausen Sea (Antarctic, CCAMLR Subarea 88.3)
south of 66°S, between 68°W and 120°W. Krill Euphausia superba abundance and biomass was in the lower ... range of values generally found in the Antarctic Peninsula and Elephant Island region. A distinct ... spatial separation for size groups was observed for krill, with small size groups being more abundant in ... recruitment success of the 1992/93 year-class in the region (R1 = 0.076). Both results indicate large scale ...
Meeting Document : WG-EMM-95/18 : Autor(es): Siegel, V.
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Gentoo penguin Pygoscelis papua diet as an indicator of planktonic availability in the Kerguelen Islands
, we investigated the composition of the diet of gentoo penguins, Pygoscelis papua, in relation to ... changes in the availability of two prey species, Euphausia vallentini and Themisto gaudichaudii, sampled ... during plankton surveys in the Kerguelen Islands. The comparison between plankton surveys and diet ... similar but the size distribution showed comparatively fewer small and large individuals in net-hauls than ...
Meeting Document : WG-Joint-94/11 : Autor(es): C.A. Bost, P. Koubbi, F. Genevois, L. Ruchon and V. Ridoux (France)
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Estimates of primary production by ice algae and phytoplankton in the coastal ice-covered area near Syowa Station, Antarctica
Station (69°00'S, 39°35'E), Antarctica, was estimated. Mean daily production in each month from ... -2 h-1 in June to 13.3 E m-2 h-1 in December. Relative light intensity estimated at the bottom of sea ... ) was reached in December and in February, respectively. The estimated annual production of ice algae ... phytoplankton production contributed remarkably to the primary production in the coastal ice-covered area near ...
Meeting Document : WG-KRILL-93/28 : Autor(es): H. Satoh, K. Watanabe and T. Hoshiai (Japan)
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Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
Abstract: The sixth Antarctic survey cruise of R/V Kaiyo Maru was carried out in waters around ... austral summer. In order to investigate seasonal changes in oceanic structure. two observations were put ... into operation In the same area after an interval of 40 days. The more characteristic change was ... clearly recognized in the waters of the insular shelf from the first leg to the second leg. The Antarctic ...
Meeting Document : WG-KRILL-92/24 : Autor(es): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)
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Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica
in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... changes in the abundances of these four demersal fish prey/bycatch groups in the Ross Sea are possible ... , and what changes in the trophic relationships between Antarctic toothfish and these prey groups may ... be presented to CCAMLR in due course. Author(s): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New ...
Meeting Document : WG-SAM-10/21 : Autor(es): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)
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Results of the longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) by the FV Janas, New Zealand
Abstract: New Zealand FV Janas conducted research in two research blocks (882A_5 and 882B_4) as ... toothfish populations in the northern areas (60°‑ 66° S) of Subarea 88.2 SSRUs A–B. Sampling strategy and ... data collection adhered to standards set in CM 41-10 (2014). A total of 49.85 t of Antarctic toothfish ... maturity status were similar to existing data from SSRU 88.1C. In contrast, the gonadosomatic index and the ...
Meeting Document : WG-SAM-15/46 : Autor(es): S.J. Parker, R.J.C. Currey and S. Mormede (New Zealand)