Resultados de la búsqueda
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... attention was focused to the analysis of the length-species compositions of catch by years and SSRU while ... programs planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas ...
Meeting Document : WG-SAM-17/23 : Autor(es): S. Kasatkina
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... was focused to the analysis of the length-species compositions of catch by years and SSRU while using ... planning. Author(s): S. Kasatkina Title: Analysis of the toothfish fishery indices in Subareas 88.1 and ...
Meeting Document : WG-FSA-17/56 : Autor(es): S. Kasatkina
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Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002
estimate of the icefish biomass in the subarea of South Georgia amounted to 92.6 thous. tonnes. Nearly 30 ... Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... abundance values by size class in pelagic zone and in the near-bottom 8m layer (covered by bottom trawling ...
Meeting Document : WG-FSA-02/44 : Autor(es): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ... (data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... in the area off the northern Coronation Island. Vessels of PPR type obtained the highest catch ...
Meeting Document : WG-EMM-97/51 : Autor(es): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.
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Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
reduce the extension of the foraging trips which in years of scarce food availability may no result in ... usually foraged once a day; females early in the morning and males when their partners returned to the ... reducing the daily total time spent foraging due to the marked increment in the number of trips required to ... . The possibility of using the foraging parameters considered in this study in monitoring programmes is ...
Meeting Document : WG-EMM-04/22 : Autor(es): R. Casaux and A. Baroni (Argentina)
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
. Fluctuations in year class success in parts, or all, of the population across the Scotia Sea, can generate ... the relative roles of biological and physical processes in generating these fluctuations are unknown ... . There is now extensive evidence that there are years when there is a very low abundance of Antarctic ... krill (Euphausia superba) in the South Georgia area, and that the variation affects much of the ...
Meeting Document : WS-AREA 48-98/8 : Autor(es): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991, February/March 1992 and January/February 1993. The ... surveys indicated some association of krill with the shelf break in the western part of the survey area ... and the centre of the Prydz Bay region but also found that the shelf break was in general not a region ...
Meeting Document : WG-Krill-94/21 : Autor(es): T. Pauly and I. Higginbottom (Australia)
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A review of by-catch in CCAMLR exploratory toothfish fisheries
years, despite no significant reduction in fishing effort probably linked to changes in landings of ... thorough and effective management of Southern Ocean toothfish fisheries, especially in eliminating ... caught as bycatch annually. Fish bycatch mitigation controls in toothfish fisheries have seen a ... thoroughly investigated. This study explores trends in fish bycatch of exploratory fisheries for toothfish ...
Meeting Document : WG-FSA-14/16 : Autor(es): E. McClure, K. Reid (Secretariat)
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
Abstract: This study used an operating model to simulate a Dissostichus eleginoides population in ... achieving the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when ... consider developing criteria such as a minimum number of annual tag-recaptures required in each Research ... in data-poor and exploratory fisheries Microsoft Word File: sam-17-13.docx Approval: Approved ...
Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid
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Krill, salps and other dominant zooplankton taxa in the Elephant Island area during the 1997 austral summer
, resulted from massive population growth during summer. This bloom, as those in previous "salp years ... Abstract: Results from two net surveys in the Elephant Island area during January-March indicated ... , K., Outram, D., Loeb, V. Title: Krill, salps and other dominant zooplankton taxa in the Elephant ... moderate krill abundance and lower recruitment success of the 1995/96 year class relative to that of 1994 ...
Meeting Document : WG-EMM-97/33 : Autor(es): Puglise, K., Outram, D., Loeb, V.