Résultats de la recherche
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A small unmanned aerial system for estimating abundance and size of Antarctic predators
flight, (3) limited launch area requirements, (4) safety, and (5) limited sound when compared to fixed ...
Meeting Document : WG-EMM-15/P06 : Auteur(s): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19
-year Chapman estimates and allowing a maximum of 20% in the catch limit for 88.2H and research block ... note that research blocks 882_1, 3 and 4 used the CPUE by seabed area analogy in the past, which has ...
Meeting Document : WG-FSA-2019/12 : Auteur(s): J. Devine and S. Parker
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06
and 25 recaptured. Tagging rates by area over the past three years have been in the same proportion as ...
Meeting Document : WG-FSA-06/34 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
48 is quite stable during last seventeen years. It is to be noted however that due to difference in ...
Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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KRILL FISHERY BEHAVIOUR IN THE SOUTHWEST ATLANTIC
tows were 10-15 nm, which is the scale of a single concentration. However, there was considerable year ... to year variability in the probabilities of operating within a local range after a number of tows. In ... /operational requirements in an area. These kinds of analysis show the importance of good year-round data from ... Abstract: 10 years worth of recent finescale haul-by haul krill data were used to characterize ...
Meeting Document : WG-EMM-08/39 : Auteur(s): S. Kawaguchi (Australia)
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
provide a sense of evolution and development of methodologies over a 50 year period of application. The ... than 50 years from when pack-ice seal surveys were first undertaken and reported in the 1950s to the ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Auteur(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
significant varied across years and by SSMU and among longline gear types. The spatial-temporal heterogeneity ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Auteur(s): S. Kasatkina
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Evidence of Vulnerable Marine Ecosystems documented via submarine in the Antarctic Sound and Gerlache Strait (Subarea 48.1)
recognized by WG-EMM in previous years. Herein, evidence appropriate to the diverse characteristics of the ...
Meeting Document : WG-EMM-18/35 : Auteur(s): S. Lockhart and J. Hocevar
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
‘homogeneity of capture’ assumption of mark–recapture models. When multiple sightings during any year are ... mortality and local migration. (Afr. J. Mar. Sci., 31 (3) (2009): 457–462) Author(s): W.C. Oosthuizen, M.N ...
Meeting Document : WG-EMM-10/P16 : Auteur(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast
fishing aggregation comprised 3 periods of harvesting; catch rates per hour showed evidence of decline at ...
Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill