Résultats de la recherche
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Towards the development of Marine Important Bird and Biodiversity Areas (mIBAs) for penguins in Antarctica – an update on progress
Abstract: Our study area encompasses all CCAMLR MPA Planning Domains contiguous to mainland Antarctica. We present the preliminary marine Important Bird and Biodiversity Areas (mIBAS) for penguins. A total of 64 definitive sites were identified as IBAs We present a systematic overview of the
Meeting Document : WG-EMM-2019/30 : Auteur(s): J. Handley, M.-M. Rouyer, L. Pearmain, V. Warwick-Evans, P. Trathan and M.P. Dias
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Biomass/CCAMLR krill review
within the provisions set out by Article II of the Convention for the Conservation of Antarctic Marine ...
Meeting Document : SC-CAMLR-VII/BG/39 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
maximum of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ... estimate using effective tagging survival and tag detection rates and allowing a maximum of 20% change in ... Chapman estimate using effective tagging survival and tag detection rates and allowing a maximum of 20 ...
Meeting Document : WG-FSA-18/36 : Auteur(s): S. Mormede and S. Parker
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2004/05
of both species decreased from last year, and were the lowest average weights seen over nine years ... , peaking in the 46-50mm range, continuing a four year trend of increasing proportions of female krill and ... decline over the past six years, and is at its lowest size in the past eight years of study, and fledging ... success was poor compared to earlier years of study. The gentoo breeding population, in contrast, has ...
Meeting Document : WG-EMM-05/9 : Auteur(s): A.K. Miller, E. Leung and W.Z. Trivelpiece (USA)
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The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17
in the 2018 season. Catch rates, length frequency data, access to research blocks and Chapman biomass ... region are precautionary and we recommend extending the current research plan for 2018 season. No ...
Meeting Document : WG-FSA-17/39 : Auteur(s): S. Parker and S. Mormede
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Trade data analysis – A report of trends and supply chains in CDS data
%) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ... States of America (USA) in both years followed by Viet Nam. Analysis of supply chains within the CDS ... identified the greatest trade relationship for both years was between France and Viet Nam. Author(s): CCAMLR ...
Meeting Document : CCAMLR-XXXVII/BG/03 : Auteur(s): CCAMLR Secretariat
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
became sexually mature early also died early. Tooth growth layers deposited in each calendar year were ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... provided an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years ... in different years, suggesting that growth was greater in some years than others. No trends in cohort ...
Meeting Document : WG-CEMP-93/11 : Auteur(s): I.L. Boyd and J.P. Roberts (United Kingdom)
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Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia
regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ... . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ... copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ... . Differences in the prey species taken and observations of foraging behaviour suggest that in years of low ...
Meeting Document : WG-EMM-97/12 : Auteur(s): Croxall, J.P., Edwards, T.M., Reid, K.
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Fish and squid in the diet of king penguin chicks, Aptenodytes patagonicus, during winter at sub-Antarctic Crozet Islands
of the fish diet, constituting together 32 % by mass. The three main species of myctophids eaten in ...
Meeting Document : WG-EMM-97/09 : Auteur(s): Cherel, Y., Ridoux, V., Rodhouse, P.G.
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Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters
commercially-exploited mackerel icefish, Champsocephalus gunnari, together with a preliminary assessment of ...
Meeting Document : WG-FSA-90/10 : Auteur(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)