Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): E. McClure, K. Reid (Secretariat)
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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 ... moderate krill abundance and lower recruitment success of the 1995/96 year class relative to that of 1994 ... , K., Outram, D., Loeb, V. Title: Krill, salps and other dominant zooplankton taxa in the Elephant ...
Meeting Document : WG-EMM-97/33 : Auteur(s): Puglise, K., Outram, D., Loeb, V.
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
, penguins, seals, and fish) in the Scotia Sea. We also investigated the potential to mitigate depletion risk ... for predators by curtailing krill fishing at different points in the 21st century. The projected ... effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... in the mass of individual krill. Projections also suggest a 25% chance that krill biomass will fall ...
Meeting Document : WG-EMM-18/P02 : Auteur(s): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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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 : Auteur(s): L. Robinson, P. Burch and K. Reid
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Plan of research program of the Russian Federation in Subarea 48.5
Antarctic which is very similar to the Ross Sea in some respects like shape, bathymetrical profile and ... , fishery in subarea 48.5 is closed based on absent stock assessment. The main objective of the present ... in accordance with CCAMLR decision rules. The program contains several phases and prospected for 5 ... Scientific Committee that data-poor area in the future would need to be consistent with the original research ...
Meeting Document : WG-SAM-15/18 : Auteur(s): Delegation of the Russian Federation
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Haul data analysis from the Polish krill fishery in 1997–1999
of 60-70 minutes. Differences in catch rates in various areas and years were observed. The highest ... February and June from 1997 to 1999 in statistical area 48. Records from each haul were used for analysis ... catches in this period and area. Each fishing season was different. In 1997 the catches were carried out ... in sub-area 48.1 and 48.3, in 1998 they were exclusively carried out in sub-area 48.1 and in 1999 in ...
Meeting Document : WG-EMM-00/17 : Auteur(s): E. Jackowksi (Poland)
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Hydrographic conditions in the Elephant Island plateau region during December 1996
-operative analysis of data sampled throughout the years in the Elephant Island Plateau Region. With the new ... ) Islands and the Antarctic Peninsula Region. A data set sampled during December 1996 in the Elephant Island ... collected by German research vessels in this region. By means of a new interactive software water mass ... circulation. Compared to krill abundance data, the thermal and the dynamic fields indicate some correlation in ...
Meeting Document : WG-EMM-97/06 : Auteur(s): Stein, M.
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Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05
000-31 000) birds killed per year, of which 85% are killed on warps and 15% entangled in nets. Of the ... Abstract: This study estimates the mortality of seabirds in the South African deep water hake ... during 20 trips on 14 vessels between mid-2004 and end 2005. Long-winged albatrosses were killed most ... . Mortalities were greater in winter, when more birds attended fishing vessels, and most occurred during dumping ...
Meeting Document : WG-FSA-06/41 : Auteur(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
than 50 years from when pack-ice seal surveys were first undertaken and reported in the 1950s to the ... groups, including abundance, trends in abundance, habitat utilisation, foraging and growth, this review ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... encountered in the pack-ice and fast-ice surrounding Antarctica (crabeater seal Lobodon carcinophaga, Ross ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Auteur(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.