Resultados de la búsqueda
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Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Spain
Abstract: We present preliminary results on age and growth of Dissostichus mawsoni for the third ... season (2015/16) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on ... otolith readings. It is included the growth parameters estimates by sex. Growth parameters obtained using ... :-0.1771 for males; and L ∞: 226.4, k: 0.05673 and t 0:-0.745 all combined. Values differ with the previous ...
Meeting Document : WG-FSA-17/66 : Autor(es): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro
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SCIC-08
/01 PROVISIONAL AGENDA FOR THE 2008 MEETING OF THE CCAMLR STANDING COMMITTEE ON IMPLEMENTATION AND ... Secretariat SCIC-08/07 INFORMATION FROM CHILE AND PANAMA REGARDING THE VESSEL ROSA Secretariat SCIC-08/08 ... EXTRACTS FROM THE REPORT OF THE WORKING GROUP ON FISH STOCK ASSESSMENT (total removals of Dissostichus spp ... . including IUU catches in the Convention Area) Secretariat SCIC-08/10 INFORMATION FROM MARSHALL ISLANDS ...
Meeting
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MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE
Abstract: The organization, example outputs, and future objectives of an integrated, age ... ‐structured model designed to estimate krill population dynamics and productivity are described. The model ... 's capabilities are illustrated using 19 years of survey data collected by the U.S. AMLR Program ... around the South Shetland Islands, but it is being developed to be applicable to any region where multi ...
Meeting Document : WG-EMM-11/43 Rev. 1 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
Abstract: Chaenocephalus aceratus (Family Channicthyidae) is one of the dominant species of ... demersal fish living on the South Georgia shelf where it is caught in low numbers as by-catch in the ... estimates from a swept area method ranged from 4462 tonnes to 28740 tonnes on the South Georgia and Shag ... that growth was fast in the first five years with males and females attaining lengths at first spawning ...
Meeting Document : WG-FSA-07/P5 : Autor(es): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
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Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96
Abstract: In the third year of standardised recording of oil, fishing gear and marine debris at ... (two squid jigs; six hooks swallowed and impaled (four in adults, two in chicks), the remainder being ... seabirds at South Georgia have returned to the levels recorded in 1993194, relatively few items having been ... reported in 1994195. The reduction in 1994195 probably related mainly to changes in the long-line fishing ...
Meeting Document : SC-CAMLR-XV/BG/04 : Autor(es): Delegation of the United Kingdom
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Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)
deployed during the day. and (4) bottom trawl deployed at night. Catches were characterized in terms of ... , were larger than those caught in the trawl; the size of crabs caught in the trawl at night was larger ... than those caught during the day; 2) large-clawed crabs predominated in the catches from traps whereas ... small-clawed animals predominated in the trawl catches; 3) soft-shell crabs were more common in trawl ...
Meeting Document : WS-CRAB-93/11 : Autor(es): J.M. Hoenig and E.G. Dawe (USA)
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Part 1. Seabird assemblages during trawling operations
Abstract: Our knowledge of seabird assemblage composition and abundance at-sea is limited by the ... the stern rather than the bow of the vessel. The information was collected as part of the project ... "Finfish distribution and abundance in Subareas 48.1 and 48.2" developed by the Pontificia ... Universidad Católica de Valparaíso on board the fishing vessel Cabo de Hornos, between January 21 and February ...
Meeting Document : WG-FSA-16/20 : Autor(es): J.A. Arata
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VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
Abstract: The West Antarctic Peninsula (WAP) and adjacent Scotia Sea support abundant wildlife ... populations, many of which were nearly extirpated by humans. This region is also among the fastest-warming ... areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... winter sea-ice cover. These biological and physical perturbations have affected the ecosystem profoundly ...
Meeting Document : WG-EMM-11/P1 : Autor(es): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
krill surveys have taken place for the recent twenty years. It has been attempted to determine the ... influence of such improvements on krill biomass estimation. The letter seems to become useful in comparative ... analysis of krill biomass data from the results of different acoustic surveys. There have been presented ... the results of krill biomass comparative estimation by single-frequency and double-frequency ...
Meeting Document : WG-EMM-01/41 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)
Abstract: Strong contrasts in ambient isotope ratios and in diet suggest stable isotopes in the ... Patagonian toothfish (Dissostichus eleginoides) sampled off the Patagonian Shelf and South Georgia, on either ... distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ... capture area with 100% success, validating their use for distinguishing provenance and corroborating the ...
Meeting Document : WG-FSA-08/P03 : Autor(es): J.R. Ashford and C.M. Jones