Search results
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Outline proposal for geographic information services for CCAMLR
staged approach involving different levels of complexity and commitment. At this stage the document only ... -of-the-art capacity for managing spatial data for CCAMLR, particularly the types of information ... handling geographic information, and a phased handover of system development and maintenance to the ... Secretariat. BAS is well-placed to offer these geographic information services, with over 10 years of ...
Meeting Document : WG-EMM-12/70 : Author(s): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2006, Antarctica
, between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ... Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-06/13 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
number of species recorded from the Kerguelen has substantially increased. From 172 species reported by ... Arnaud (1974), the total number of species has increased dramatically to 735 (Jouventin et al., 1996) and ... have been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated at the ... northern limit of the Polar Front is probably one of the best study areas to (1) monitor the impact of ...
Meeting Document : WS-MPA-11/P03 : Author(s): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
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Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery
Abstract: Three aspects of current management of the “exploratory” Antarctic toothfish ... face of climate-related environmental changes currently underway. These aspects are: 1) lack of ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... targeted removal of the oldest, most successful and most fecund toothfish. The current strategy is to ...
Meeting Document : WG-FSA-09/07 : Author(s): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)
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Status and trends of Adelie penguin populations in the Ross Sea region
Abstract: Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to ... determine the breeding locations of Adé1ie penguins Pygoscelis adeliae, and to count the numbers of nests ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ... half the world population. Some rookeries were photographed in all, or most, of the seven seasons to ...
Meeting Document : WG-CEMP-92/23 : Author(s): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
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Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
part of the Ross Sea showed that this component of the population had a unimodal length distribution at ... Abstract: A number of morphological and reproductive measurements made seasonally on Antarctic ... seasons aboard the autoliner San Aotea II have been analysed. Results of this study indicate measurable ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ...
Meeting Document : WG-FSA-05/52 : Author(s): J.M. Fenaughty (New Zealand)
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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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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)