Search results
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Diving patterns and processes in epipelagic and benthic foraging sub-Antarctic seabirds
foraging period was 8 hours in both species, but Gentoos spent 50% of this time diving compared to 20 ... was 8 hours in both species, but Gentoos spent 50% of this time diving compared to 20% in Shags. Shags had ...
Meeting Document : WG-CEMP-91/19 : Author(s): T.D. Williams, J.P. Croxall (United Kingdom), Y. Naito and A. Kato (Japan)
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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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TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
juveniles of 8.5-20.9 cm and predominant age groups 1-2 years. Counting of sclerites facilitated ... juveniles of 8.5-20.9 cm and predominant age groups 1-2 years. Counting of sclerites facilitated ... rossii caught in Potter Cove, South Shetland Islands, in summer of years 2003-2006 and 2008. The sample ... was composed by blue phase fingerlings of 7-7.6 cm (TL) and age group 0 year and demersal young brown phase ...
Meeting Document : WG-FSA-09/32 : Author(s): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2015 random stratified trawl survey
population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20’ E using ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20&rsquo ...
Meeting Document : WG-FSA-15/12 Rev. 1 : Author(s): D.C. Welsford (Australia)
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Detection of systematic change in Adélie penguin foraging trip duration: consequences of high inter-annual variability and usefulness of ice cover as a covariate
Abstract: Power analyses were carried out using a 12 year data set from the Béchervaise Island ... three years or alternatively, with equal power, a 3.75% annual increase in trip duration after 12 years ... Power analyses were carried out using a 12 year data set from the Béchervaise Island Adélie penguin ... were required to detect a 35% step increase in foraging trip duration after three years ...
Meeting Document : WG-EMM-05/22 : Author(s): J. Clarke, C. Southwell and L.M. Emmerson (Australia)
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Management of C. gunnari in Subarea 48.3
with increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining ... by fishing, under conditions where M is assumed to be highly variable from year to year. Author(s): Kirkwood ... of icefish by Antarctic fur seals in years of poor krill availability. Thus natural mortality of icefish may ...
Meeting Document : WG-FSA-97/38 : Author(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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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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KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE WESTERN WEDDELL SEA WITH SPECIAL REFERENCE TO SSMUS OF AREA 48.1
in the Antarctic Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special reference ... Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special ...
Meeting Document : WG-EMM-09/21 : Author(s): J. Forcada and P.N. Trathan (United Kingdom)
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ANNUAL CHANGES IN SPECIES COMPOSITION AND ABUNDANCE OF BY-CATCH FISH COLLECTED BY JAPANESE KRILL SCIENTIFIC OBSERVERS IN THE NORTH OF SOUTH GEORGIA (CCAMLR SUBAREA 48.3), DURING AUSTRAL WINTER FROM 2002 TO 2008
, Lepidonotothen larseni and Champsocephalus gunnari, were recorded in every year from 2002 to 2008, and also ... around South Georgia. The length frequency distribution of C. gunnari varied with years and may indicate ... the increase in size in recent years. Electrona antarctica was not a major component of the recent mesopelagic ... larseni and Champsocephalus gunnari, were recorded in every year from 2002 to 2008, and also the most ...
Meeting Document : WG-EMM-11/40 : Author(s): T. Iwami, K. Taki and M. Kiyota (Japan)
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Continuation of multi-Member research on the Dissostichus spp. exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan
, para. 3.251), and recommended to carry on a couple of investigations for the following years (SC-CAMLR ... fisheries in Division 58.4.3a over the coming years in order to contribute to the tagging program ... 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-SAM-17/04 : Author(s): Delegations of France and Japan