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Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability
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 ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-08/33 : Автор(ы): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)
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Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps
. The otoliths identified in pellets were affected by the digestive process and consequently the fish ... species were differentialy underrepresented in number and size (length/mass). Except Gobionotothen ... gibberifrons and Nototheniops nudifrons all the species were underestimated in number (N. rossii fully). G ... that experimentally observed in other not antarctic shag species. Algae and ploychaetes were found in ...
Meeting Document : WG-CEMP-94/29 : Автор(ы): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)
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ИЗМЕНЕНИЕ КЛИМАТА И ПРЕДУПРЕДИТЕЛЬНАЯ ПРОСТРАНСТВЕННАЯ ОХРАНА: ШЕЛЬФОВЫЕ ЛЕДНИКИ
Abstract: Regional climate change is now known to be well established in the Antarctic ... , particularly in the Antarctic Peninsula region. One of the most evident signs of climate change has been ice ... shelf collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf ... to return that were last present during the last interglacial, a warmer period than at present. In ...
Meeting Document : SC-CAMLR-XXX/13 : Автор(ы): Delegation of the United Kingdom
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Comparison of age readings by two otolith preparation techniques and readers
were exchanged between Russia and New Zealand ageing programmes to compare consistency in ages ... resulting four-way comparison enabled differences in preparation method to be distinguished from differences ... in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... each reader and with each method. However, there were enough inconsistencies in preparation technique ...
Meeting Document : WG-FSA-14/53 : Автор(ы): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Diet composition of Antarctic toothfish
Abstract: To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... fishing vessel. In the previous studies, similarities in total FA compositions and the FA profiles in ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ...
Meeting Document : WG-FSA-16/06 : Автор(ы): Delegation of the Republic of Korea
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Examination of the CCAMLR toothfish GLM
CPUE in Subarea 48.3 are investigated. Problems with crossover between the essentially summer fishery ... nationalities, coupled with the existence of the experimental fishery in 1994, lead us to suggest that future ... analyses should be restricted to GLMs based on winter data alone. Unfortunately, this does result in there ... different sizes on the shelf slope. A winter GLM is described which includes a depth factor, and is used in ...
Meeting Document : WG-FSA-98/35 : Автор(ы): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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SUMMARY OF FRENCH PAPERS REGARDING RECOMMENDATIONS MADE BY THE SCIENTIFIC COMMITTEE WITH RESPECT TO THE INCIDENTAL MORTALITY OF SEABIRDS
use and develop effective mitigation measures in the French EEZ fisheries and that France continues to ... during longline fishing in the French EEZs are the only remaining substantial seabird by-catch in the ... mortality of seabirds in accordance with CCAMLR policies and practices'. This document summarises the ... papers submitted by France in response to the recommendations recorded in paragraph 5.6 of the Scientific ...
Meeting Document : SC-CAMLR-XXVII/10 : Автор(ы): Delegation of France
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KRILL FISHERY REPORT: 2008 UPDATE
for krill in Area 48 in the 2007/08 season, and these vessels have taken 84110 t of krill to date. The ... 104586 t of krill reported in the STATLANT data for 2006/07. With the exception of Poland, all ... ; Consideration of the Conservation Measures in force in the fishery. Reference information on stock and areas ... , and parameters used in stock assessment are also included. Author(s): Secretariat Title: KRILL ...
Meeting Document : WG-EMM-08/05 : Автор(ы): Secretariat
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Have Antarctic toothfish returned to McMurdo Sound?
Abstract: A dramatic reduction in catch rates of Antarctic toothfish in McMurdo Sound, Antarctica ... , has led to conclusions that the commercial bottom longline fishery for toothfish in the Ross Sea has ... , results from a new monitoring programme for Antarctic toothfish and other top predators carried out in ... McMurdo Sound in 2014 have shown toothfish catch rate, fish size and fish age similar to those observed ...
Meeting Document : WG-FSA-15/P01 : Автор(ы): S.J. Parker, S. Mormede, A.L. DeVries, S.M. Hanchet and R. Eisert
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
) of fish in the catch, determining the ages in the sample, and calculating proportions in each age ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... the extra information in the LF sample to calculate proportions by age by multiplying the probability ... otoliths removed until a fixed number of fish in each length bin have been obtained and further sampling ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Автор(ы): S.G. Candy (Australia)
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