Résultats de la recherche
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On the intensity of sampling krill trawl catches
Abstract: This paper uses actual krill length frequency data in an attempt to address the problem ... from commercial catches. In addition, the possible effect of two other factors (within-trawl ... differences in length should be considered along with the need to collect maturity stage information. * For ... still requires consideration. Author(s): D.G.M. Miller (South Africa) Title: On the intensity of ...
Meeting Document : WG-KRILL-90/27 : Auteur(s): D.G.M. Miller (South Africa)
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Mitigating killer whale depredation on demersal longline fisheries by changing fishing practices
with significant losses for fisheries and potential impacts on wild populations of depredating species ... time it takes for whales to reach vessels. The significant influence of five operational variables was ... diving abilities. The time it takes for killer whales to reach vessels was positively correlated to, v ... ) the distance travelled between longline sets with an estimated threshold of 100 km beyond which whales ...
Meeting Document : WG-FSA-14/P03 : Auteur(s): P. Tixier, J. Vacquie Garcia, N. Gasco, G. Duhamel and C. Guinet
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Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas
Abstract: Observations on abundance of by-catch fishes were made during fishing operations for ... Polish and Japanese by-catch samples, and its estimated value of an arithmetic mean was 11541 ind./t ... found or rare in hauls for krill swarms of higher density. Author(s): Cielniaszek, Z., Pakhomov, E.A ... Georgia (May to July, 1992), the Polish trawler Lepus on the fishing grounds of South Orkney Islands and ...
Meeting Document : WG-FSA-96/19 : Auteur(s): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.
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DEVELOPING FOUR PLAUSIBLE PARAMETERISATIONS OF FOOSA (A SO-CALLED REFERENCE SET OF PARAMETERISATIONS) BY CONDITIONING THE MODEL ON A CALENDAR OF EVENTS THAT DESCRIBES CHANGES IN THE ABUNDANCES OF KRILL AND THEIR PREDATORS IN THE SCOTIA SEA
abundance, one or two stock-recruitment parameters for each predator population to the numerical calendar ... calendar would be feasible. Second, we tuned, via sums of squares, one stock-recruitment parameter for each ... predator population in each parameterization to the “empirical abundance estimates” for predators reported ... predict the empirical abundance estimates almost exactly for all predators by all parameterizations. The ...
Meeting Document : WG-EMM-08/13 : Auteur(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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Report on the CCAMLR marine debris monitoring program
entanglements and hydrocarbon soilings were received for 2014 from South Africa, the United Kingdom, and Uruguay ... . Plastic packaging bands continue to be found in beach surveys, with an unfortunate increase in closed ... Abstract: Data on beach surveys, debris associated with seabird colonies, marine mammal ... outside Area 48 are limited by the absence of data on long-term monitoring of marine debris and Members ...
Meeting Document : WG-FSA-14/68 : Auteur(s): Secretariat
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Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001
Abstract: The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... were minke and humpback whales. An initial overview of oceanographic data shows strong patterns of ... on the vessels by the IWC. Passive acoustic moorings and expendable sonobuoys were deployed by the US ... (ie. dense aggregations in deep pools or holes) was made on these surveys. This indicates that baleen ...
Meeting Document : SC-CAMLR-XX/BG/29 : Auteur(s): Observer (IWC)
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Report on the CCAMLR Marine Debris monitoring program
entanglements and hydrocarbon soilings were received for 2015 from South Africa, the United Kingdom, the United ... trawl origins. Plastic packaging bands continue to be found in beach surveys, with an increase in open ... decreased, while debris associated with wandering albatrosses increased considerably from the previous year ... Abstract: Data on beach surveys, debris associated with seabird colonies, marine mammal ...
Meeting Document : WG-FSA-15/15 : Auteur(s): CCAMLR Secretariat
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Effect of a shore-based sampling program on Notothenia coriiceps populations
Abstract: The effect of an intensive sampling programme on an inshore population of Notothenia ... two close but not previously sampled zones (sites 2 and 3). The fish were caught with trammel nets ... an intensive sampling effort carried out at one specific site. Author(s): R. Casaux and E. Barrera ... -Oro (Argentina) Title: Effect of a shore-based sampling program on Notothenia coriiceps populations ...
Meeting Document : WG-FSA-99/24 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)
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PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
Abstract: Two successful experiments on definition of Antarctic krill mortality have been carried ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... . Pshenichnov and K. Vyshniakova (Ukraine) Title: PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ...
Meeting Document : WG-EMM-11/15 : Auteur(s): L. Pshenichnov and K. Vyshniakova (Ukraine)
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Note on demography of Antarctic seabirds
Abstract: At last year’s meetings WG-EMM and Scientific Committee expressed an interest in ... . this represents a substantial task with not inconsiderable resource implications. However, as an ... summarized information on seabird demography, particularly in relation to generation time and productivity ... proceed in respect of such data. Author(s): J.P. Croxall (United Kingdom) Title: Note on demography of ...
Meeting Document : WG-EMM-01/55 : Auteur(s): J.P. Croxall (United Kingdom)