Search results
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
reduction of the populations of Adélie (Pygoscelis adeliae) and chinstrap penguins (Pygoscelis antarctica ... chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... . Trivelpiece et al. argue that the reduction of the populations of both species could be attributed to changes ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ...
Meeting Document : CCAMLR-XXX/BG/21 : Author(s): Submitted by ASOC
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Analysis of changes in biomass of fish stocks in the South Georgia Area in 1976/77 – 1986/87
N.gibberifrons. Recently, an increase of the C.aceratus stock is observed and, at the same time, a gradual ... Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1916/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ...
Meeting Document : WG-FSA-87/10 : Author(s): M. Mucha and W. Ślósarczyk (Poland)
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Analysis of changes in biomass of fish stocks in the south Georgia Area in 1976/77 – 1986/87
N.gibberifrons. Recently, an increase of the C.aceratus stock is observed and, at the same time, a gradual ... Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1976/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ...
Meeting Document : SC-CAMLR-VI/BG/40 : Author(s): M. Mucha and W. Ślósarczyk (Poland)
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SC-CAMLR-XXV
seabirds at Bird Island, South Georgia, 2005/06 Delegation of the United Kingdom SC-CAMLR-XXV/BG/12 Beach ... -XXV/BG/13 Entanglement of Antarctic fur seals (Arctocephalus gazella) by man made debris at Bird ... -made debris at Signy Island, South Orkney Islands, 2005/2006 Delegation of the United Kingdom SC-CAMLR ... Full Name: Twenty-fifth Meeting of the Scientific Committee Location: Hobart, Australia Date(s ...
Meeting
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Method of age determination for Antarctic toothfish (Dissostichus mawsoni)
. All in all 6009 specimens of toothfish were aged using the same above described method. Otoliths were ... collected by Russian observers aboard longline vessels at the Ross Sea during 2002-2007 seasons. We consider ... , A.F. Petrov and V.A. Bizikov (Russia) Title: Method of age determination for Antarctic toothfish ...
Meeting Document : WG-SAM-12/18 : Author(s): E.N. Kyznetsova, A.F. Petrov and V.A. Bizikov (Russia)
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Commercial krill fisheries in the Antarctic, 1973 to 1988
: STATLANT data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... tonnes in 1981/82 before dropping to allow level in 1983/84 and stabilizing at about 400 000 tonnes ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ... in 1983/84 and stabilizing at about 400 000 tonnes thereafter. In terms of both catch and effort ... current efforts aimed at assessing the role of the minke whale (Balaenoptera acutorostrata) as an ... cessation of fishing in April/May. In Subarea 48.2, on the other hand, fishing commences at a similar time ... realistically applied in the absence of minke whale stomach contents data at a similar level of resolution as ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Author(s): Miller, D.G.M.
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Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
Abstract: Observations on abundance of by-catch fishes were made during the austral summer months ... of 1994 (from January 12 to February 18) on board F/V Niitaka Maru in the north of the South Shetland ... Islands. Among 99 net hauls examined, a total of 77 specimens of fishes belonging to 13 species were found ... abundant (26 individuals) and most common species (found at 11 hauls). Juvenile and postlarval ...
Meeting Document : WG-Krill-94/25 : Author(s): T. Iwami (Japan)
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
) to 2.8 μm at 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fish of the ... Paper Title: Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari ... ) (Channichthyidae) in the South Georgia area Abstract / Description: The otolith microstructure of juvenile ... a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish ... observed from November to July. The highest number of females at stage V was found in April–May. Spawning ... at depths of 140–244 m. Catches of C. gunnari increased in pelagic trawl samples in the 15–95 m ... - ment zones were selected at the beginning, mid- dle and end of the period, then their width was ... increments per zone and the mean otolith width at the end of the 100-day period estimated. Daily ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V
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Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons
Abstract: In 2011 and 2012 in Subarea 88.3 research fishing of toothfish has been conducted by ... YugNIRO (Kerch, Ukraine). Totally, during the work period 44 longlines were set at a depth from 625 to ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... research fishing data contributes to the achievement of the main objectives of research for the data-poor ...
Meeting Document : WG-SAM-12/05 : Author(s): A.F. Petrov, V.A. Tatarnikov, K.V. Shust, I.I. Gordeev, E.F. Kulish (Russia)
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Comparison of the diet of the blue-eyed shag Phalacrocorax atriceps by the analysis of pellets and stomach contents
Abstract: A total of 45 pellets from the blue-eyed shag Phalacrocorax atriceps were collected in ... January 1994 at Duthoit Point, Nelson Island, South Shetland Islands. The analysis showed fish as the main ... prey, followed by octopods, polychaetes and gastropods. Notothenia coriiceps formed the bulk of the ... the same colony; however, they differed in importance. A daily mean of 0.7 pellets per bird was ...
Meeting Document : WG-EMM-95/79 : Author(s): Silva, P., Coria, N., Favero, M., Casaux, R.