Search results
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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 ... species identification, one may suggest that other improvements for recent twenty years could also have ... have taken place for the recent twenty years. It has been attempted to determine the influence ... species identification, one may suggest that other improvements for recent twenty years could also have ...
Meeting Document : WG-EMM-01/41 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
years 1969-71 which yielded about 500,000 tonnes in 2 seasons around South Georgia. Since 1975/76 ... over a period of 10 years. Stock size of C. gunnari around South Georgia is largely dependent ... mainly by the Soviet Union. Notothenia rossii marmorata ,vas the target species in the first peak years ... of 10 years. Stock size of C. gunnari around South Georgia is largely dependent on the strength ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Author(s): Delegation of Federal Republic of Germany
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
us to determine that the Champsocephalus gunnari grew 55cm in 17 years and the Notothenia rossii grew ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ... that the Champsocephalus gunnari grew 55cm in 17 years and the Notothenia rossii grew 55 cm in 7 years. The lack ...
Meeting Document : SC-CAMLR-VI/BG/43 : Author(s): R. Radtke (USA)
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Decadal trends in the South Georgia demersal fish assemblage
were seen across survey years. Species counts were highly variable across the shelf region and appeared ... families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all years accounting ... seen across survey years. Species counts were highly variable across the shelf region and appeared ... families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all years accounting ...
Meeting Document : WG-FSA-13/26 : Author(s): M. Belchier (United Kingdom)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
3 consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff, (Livingston Island, South Shetland ... 3 consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff, (Livingston Island, South Shetland ...
Meeting Document : SC-CAMLR-XXIV/BG/13 : Author(s): Secretariat
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
Abstract: VHF radiotelemetry data has been used for over thirty years to monitor the behavior ... and decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data ... VHF radiotelemetry data has been used for over thirty years to monitor the behavior patterns ... and decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data ...
Meeting Document : WG-EMM-15/P05 : Author(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00, respectively while ... that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively. The density indices ... in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00, respectively while ... that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively. The density indices ...
Meeting Document : WG-EMM-16/26 : Author(s): L.A. Pastene and T. Hakamada
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Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan
on a couple of investigations for the following years (SC-CAMLR-XXXV, para. 3.250). France and Japan commonly ... notifies their intention to continue their exploratory fisheries in Division 58.4.3a over the coming years ... to carry on a couple of investigations for the following years (SC-CAMLR-XXXV, para. 3.250). France ... the coming years in order to contribute to the tagging program and to achieve a robust stock assessment. We ...
Meeting Document : WG-FSA-17/55 : Author(s): Delegations of France and Japan
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An introduction to the Southern Ocean Observing System (Paper XP18 to CEP–SC-CAMLR Workshop 2016)
to be completed in time for consideration at the ICED 2018 International Conference on Marine Ecosystem Assessment ... for the Southern Ocean (www.MEASO2018.aq); the SOOS Portal for linking metadata, accessing datasets and synthesis ... observing system in SOOS, which is intended to be completed in time for consideration at the ICED 2018 ... International Conference on Marine Ecosystem Assessment for the Southern Ocean (www.MEASO2018.aq); the SOOS ...
Meeting Document : WG-EMM-16/70 : Author(s): A.J. Constable, L. Newmman, O. Schofield, A. Wahlin and S. Swart
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20&rsquo ...
Meeting Document : WG-FSA-16/26 : Author(s): D. Maschette and D. Welsford