Resultados de la búsqueda
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Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island
. Antarctic Marine Living Resources Program (AMLR). Information on species composition, biomass, and size ... distribution of the abundant fish species was provided. Estimates of total biomass for Elephant Island and the ... South Shetland Islands separately were computed for Notothenia rossii, N. coriiceps, Lepidonotothen ... Chionodraco rastrospinosus. For these species, biomass estimates were found to be 3 comparable to survey ...
Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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KRILL CATCHES INDICATE THE IMPACT OF THE EL-NIŇO – SOUTHERN OSCILLATION RELATED PROCESSES ON THE DISTRIBUTION OF KRILL BIOMASS BETWEEN SUBAREAS OF THE ATLANTIC SECTOR OF ANTARCTIC
different climate oceanographic regimes and its influence on krill biomass into the discussion of krill ... used to analyze the influence of the El-Niňo – Southern Oscillation (ENSO) related processes on the ... associated with La Niňa event in the South Pacific. The mechanisms for these phenomena associated with the ... discussed. In order to reach better understanding of the risks of different options for allocation of krill ...
Meeting Document : WG-EMM-09/47 : Autor(es): V. Spiridonov (Russia)
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Summary of the work of the CEP on Marine Protected Areas
future opportunities for practical cooperation between the two bodies. The 2009 Workshop noted the shared ... “Summary of the Work of the CEP on Marine Protected Areas”. This paper reports on the development of the ... topic of Marine Protected Areas (MPA’s) in discussions of the Committee for Environmental Protection ... regarding the review of proposals for potential MPAs. This paper reviews and summarizes CEP meeting reports ...
Meeting Document : WS-MPA-11/04 : Autor(es): Antarctic Treaty Secretariat, c/o Dr P. Penhale, CEP Representative to the CCAMLR MPA Workshop
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IMPLEMENTATION OF FOOSA (KPFM) IN THE EPOC MODELLING FRAMEWORK TO FACILITATE VALIDATION AND POSSIBLE EXTENSION OF MODELS USED IN EVALUATING KRILL FISHERY HARVEST STRATEGIES THAT WILL MINIMISE RISK OF LOCALISED IMPACTS ON KRILL PREDATORS
Abstract: This paper details how FOOSA, an operating foodweb model for evaluating spatially ... -structured harvest strategies for krill, has been implemented within the EPOC modelling framework. It also ... shows how the parameters developed for use in FOOSA can be adapted for use in EPOC. The paper has three ... main parts – an outline of the structure of EPOC, consideration of the general FOOSA structure that ...
Meeting Document : WG-SAM-08/15 : Autor(es): A. Constable (Australia)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
maturity condition for Dissostichus eleginoides and D. mawsoni were investigated on Banzare Bank, using the ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ...
Meeting Document : WG-FSA-10/47 : Autor(es): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
maturity condition for Dissostichus eleginoides and D. mawsoni were investigated on Banzare Bank, using the ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ...
Meeting Document : WG-SAM-10/16 : Autor(es): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)
sex composition, when controlling for gear selectivity, year and sex effects. Fish length increased ... Abstract: The Kerguelen Plateau supports the largest fishery for Patagonian toothfish ... toothfish drawn from biological data collected in the HIMI area (Division 58.5.2) on more than 500,000 fish ... larger fish inhabit deeper waters (>1500m) especially on the eastern part of the Plateau, where the ...
Meeting Document : WG-FSA-14/42 : Autor(es): C. Péron and D.C. Welsford (Australia)
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Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau
Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... mature females did not spawn every year. Age-at-maturity estimates, obtained based on the assumption that ... eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian ... throughout the late autumn and winter months of May–August, and spawning activity is concentrated on slopes ...
Meeting Document : WG-FSA-17/P04 : Autor(es): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
the lowest levels on record being reported for the 2005 season. This increased to 10 entanglements in ... Abstract: The current status of national surveys on monitoring of marine debris and their impact ... on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... Database contains data from 12 sites, most within Area 48. There are 4 sites that have data for more than 3 ...
Meeting Document : SC-CAMLR-XXV/BG/09 : Autor(es): Secretariat
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Report on the effectiveness of integrated weight (fast sinking) longlines in reducing the mortality of white-chinned petrels and sooty shearwaters in autoline longline fisheries
sooty shearwaters (Puffinus griseus) killed by unweighted longlines (UW; mean sink rate to 20 m depth ... conducted in the seabird breeding seasons (October/November) of 2002 and 2003 on F/V’s Janas and Avro ... streamer line was deployed on all sets. Differences between IW and UW lines in the catch rates of white ... for each pair of magazines or lines by counting dead birds during line hauling. In 2002 80 white ...
Meeting Document : WG-FSA-04/72 : Autor(es): G. Robertson (Australia), N. Smith (New Zealand), B. Wienecke and S. Candy (Australia)