Search results
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13
(north), and two moving from Subarea 88.2 to the Ross Sea slope (SSRU 88.1H), one from 88.2H- north ... ), and two moving from Subarea 88.2 to the Ross Sea slope (SSRU 88.1H), one from 88.2H - north, and 1 from ... released and 95 recaptured since 2001. In recent years, most vessels have achieved or exceeded the required ... tagging rate of one toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed ...
Meeting Document : WG-FSA-13/49 : Author(s): S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand)
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
, abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX ... t in the 2018/19 season respectively satisfied the CCAMLR decision rules. Given their apparent plasticity ... and yield in Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods (CMIX ... t in the 2018/19 season respectively satisfied the CCAMLR decision rules. Given their apparent plasticity ...
Meeting Document : WG-FSA-17/22 : Author(s): D. Maschette, P. Burch, P. Yates and D. Welsford
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... have been simulated for a period of 30 years. These were - diffierent levels of constant fishing ... of F 3 or 6 years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between ... year class. An increaseof F, however, should not occur before 4 years after a good recruitment ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Author(s): Delegation of Federal Republic of Germany
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A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey
t in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision rules ... t in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision rules. ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX ... and yield in Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods (CMIX ...
Meeting Document : WG-FSA-2019/02 : Author(s): D. Maschette, G. Nowara and D. Welsford
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Draft updated data collection plan for the Ross Sea toothfish fishery
the goals the management wishes to achieve. The long-term goals of the Ross Sea fishery based on Article II ... are not potentially reversible over two or three decades, with the aim of making possible the sustained conservation ... fishery for the next 5–7 years were developed in 2014. These medium-term research objectives were used ... in the Type II biological measurements for observer sampling from the 2015/16 fishing year onwards. It is also ...
Meeting Document : WG-FSA-15/40 : Author(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea
, and the interactions between them, is a key component in understanding the factors driving changes in animal ... . The presence of two giant icebergs from 2001 to 2005 increased sea ice concentrations, reducing adult foraging ... between them, is a key component in understanding the factors driving changes in animal populations. ... environmental variability. The presence of two giant icebergs from 2001 to 2005 increased sea ice ...
Meeting Document : WG-EMM-13/31 : Author(s): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)
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Outline of a research program to investigate the abundance, abundance trends and stock structure of large whales in the Indo-Pacific region of the Antarctic, including a survey plan for the 2019/20 austral summer season
Method, to be conducted alternatively in IWC Areas III, IV, V and VI by one or two specialized vessels ... utilizing the Line Transect Method, to be conducted alternatively in IWC Areas III, IV, V and VI by one ... or two specialized vessels, during a tentative period of eight austral summer seasons. Analyses related ... will be based on large and consistent data sets. The survey plan for the 2019/20 austral summer season ...
Meeting Document : WG-EMM-2019/68 : Author(s): Delegation of Japan
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
of Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect ... identified as being from Dissostichus eleginoides, 18 were from one stomach and, of these, only 7 could ... and related to a specific size class of fish. However, it seems that toothfish in the age range of 2-6 years ... of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in the trawl fishery ...
Meeting Document : WG-EMM-97/42 : Author(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
years, the whole investigated area was divided in rectangles of 1°x30' . The results of calculations ... free water was observed but below ice were rather single ones. Because in the same time, many times ... of observed aggregations were not migrated ones but created from krill scattered previously below ice. Biomass ... density of krill was calculated per each nautical mile. For comparison the biomass from different years ...
Meeting Document : WG-EMM-97/53 : Author(s): Kalinowski, J., Azzali, M.
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Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin
is considered in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar ... at the distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ... . Krill distribution well corresponds to the water flows mentioned. Further analyses revealed ... in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar Current ...
Meeting Document : WG-EMM-03/40 : Author(s): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)