Résultats de la recherche
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Recent increase and southern expansion of Adelie penguin populations in the Ross Sea, Antarctica, related to climatic warming
Abstract: The numbers of Adelie penguins Pygoscelis adeliae (Hombron and Jacquinot) in the Ross ... pronounced in McMurdo Sound, where the species’ breeding range has recently been extended 3 km south to Cape ... climatic variation in the McMurdo Sound region. We suggest that the dynamics of Adelie penguin populations ... may be very sensitive indicators of changes in the Antarctic climate. Published in: New Zealand ...
Meeting Document : WG-CEMP-92/22 : Auteur(s): R.H. Taylor and P.R. Wilson (New Zealand)
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Krill distribution and biomass variability within Subarea 48.3 in June 1991
were of 30 m in length, with density up to 200 g/m3. About 75% of all swarms revealed biomass to be ... in an 8 x 6 mile micropolygon, where eight consecutive hydroacoustic surveys were carried out. Krill ... less than 1 tonne. Average statistical parameters of swarms in the polygon varied insignificantly from ... 1 554 units. Krill biomass in the polygon varied spasmodically within the range from 1 091 to 6 085 ...
Meeting Document : WG-KRILL-93/35 : Auteur(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
Abstract: The biennial South Georgia Groundfish Survey was undertaken in January 2006 on board ... by fish of 20-25 cm (putative 2+), but unusually large numbers of fish of ~ 50 cm were also caught to ... the N and NE of South Georgia. Fish in spawning condition (Stage IV) were found at the eastern end of ... + fish in 2003. The toothfish diet was dominated by Patagonotothen guntheri. Acoustic observations were ...
Meeting Document : WG-FSA-06/51 : Auteur(s): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)
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The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project
Inventory to detect a 10% or 20% change in a parameter with a significance level as. 01 and a statistical ... information are intended to assist in establishing baselines for: future environmental assessments under the ... changes in fauna, flora, and other major features at these sites; and how best to minimize potential ... adverse impacts of human visitor activity. CEMP Standard Methods were relied upon in establishing the ...
Meeting Document : WG-EMM-97/38 : Auteur(s): Naveen, R.
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Guidelines to whale photo-identification from fishing boats derived from experience in Kerguelen (ASD 58.5.1) and Crozet (ASD 58.6)
Abstract: Scientific observers on board vessels fishing in Kerguelen and Crozet EEZ have ... from fishing boats derived from experience in Kerguelen (ASD 58.5.1) and Crozet (ASD 58.6) Approval ... contributed to a whale photo-identification program for several years. This paper describes the gear used ...
Meeting Document : WG-FSA-13/08 : Auteur(s): N. Gasco, P. Tixier and C. Guinet (France)
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Fish by-catch in the krill fishery: 2016 update
-catch in a 300 000 t krill fishery would be 370 t, comprising 40% Champsocephalus gunnari and 30 ... Abstract: Data on fish bycatch in the krill from Commercial catch data (95 513 hauls) and CCAMLR ... overlap in the most frequently reported taxa in the C1 data and SISO data, with Lepidonothen larseni and ... Chaenodraco wilsoni the most frequently reported in both datasets. The estimated total annual mass of fish by ...
Meeting Document : WG-FSA-16/04 : Auteur(s): CCAMLR Secretariat
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Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
. Although the increase of expected catch of krill notified in recent years has caused concerns among some ... Abstract: Unlike toothfish fishery, IUU fishery is not a serious concern in krill fishery ... urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... on Japanese krill fishing vessels in the CCAMLR Convention Area Approval: Approved ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Auteur(s): Delegation of Japan
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
superba Dana) aggregations detected and sized acoustically in the south-west Indian Ocean are described ... . The aggregations were on average considerably smaller than elsewhere in the Antarctic. Aggregation ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ... is consistent with the absence of pronounced hydrographic or topographic concentrating mechanisms in ...
Meeting Document : WS-KCPUE-89/11 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
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Commercial fishing in the Ross Sea
Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... operations in the Ross Sea region. The information sheet provides basic data on Antarctic Toothfish ... currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ...
Meeting Document : CCAMLR-XXXI/BG/35 : Auteur(s): Submitted by COLTO
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Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates
Abstract: This report outlines developments towards evaluating bias in abundance estimates for ... the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ...
Meeting Document : WG-FSA-SAM-06/10 : Auteur(s): A. Dunn (New Zealand)