Résultats de la recherche
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10
fishing together with the catch of Dissostichus spp and bycatch species by year for the period 1997–98 to ... 2009–10. During the 2009–10 fishing year most of the catch in Subarea 88.1 came from the slope SSRUs ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ... Subarea 88.2 was taken from SSRU 882E, with little fishing occurring in the other SSRUs, and the catch ...
Meeting Document : WG-FSA-10/23 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR fishing Area 48.3
larvae on the South Georgia shelf which is comparable with previous reports of early growth in C. gunnari ...
Meeting Document : WG-FSA-94/16 : Auteur(s): A.W. North (United Kingdom)
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Progress report of the CEMP Special Fund camera network in Subarea 48.1
extend the camera network with 3 new installations. Author(s): J. Hinke, G. Watters, M. Santos, M ... Network in Subarea 48.1”. The project was initiated with support from the CEMP Special Fund in 2014/15 ... summaries indicate variation in phenological timing within species across sites with relatively high ... . The project is now fully operational. In 2016/17 data were recovered from 50 cameras covering 3 ...
Meeting Document : WG-EMM-17/16 Rev. 1 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, V. Lytvynov, A. Barbosa, C. Southwell and L. Emmerson
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Are penguins and seals in competition for Antarctic krill at South Georgia?
with nowadays less krill in the diet of macaroni penguins than in that of Antarctic fur seals. Despite ... availability and of interspecies competition cannot be resolved with available evidence. The likely competitive ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... 1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ...
Meeting Document : WG-EMM-02/22 : Auteur(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)
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CEMP cameras data validation experiment at the Galindez Island gentoo penguin (Pygoscelis papua) colonies
three monitoring sites GBW, GPP1, and GPP2, simultaneously with automatic time-lapse cameras picturing ... . The results of visual observations have been compared with data from camera pictures, which registered ... preliminary results exhibit the reasonable correspondence within 0-3 days between visual observations and time ... -lapse camera data for both seasons. The standard deviation for each event varies from ±1 to ±3 days for ...
Meeting Document : WG-EMM-2019/59 : Auteur(s): P. Khoetsky, A. Dzhulai, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyi, I. Parnikoza and L.Pshenichnov
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
; = 0.57) and 2-year-old krill (r = 0.69) with a level of significance of 5%. In addition, the strength of ... westerlies also had a strong correlation with chlorophyll a (r = 0.63) and sea ice cover with a 1-year time ... and the strength of westerlies during 1982–1998. Years with strong westerlies during the austral ... density with hypothesized environmental factors, including strength of westerly winds (westerlies ...
Meeting Document : WG-EMM-99/52 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia
and were the main prey in 12 years, with Champsocephalus gunnari and Lepidonotothen larseni the most ... patterns of gentoo penguin diet variability with those of macaroni penguins Eudyptes chrysolophus breeding ... Abstract: Inter-annual variability in diet during crèche (December to February) over 22 years ... present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ...
Meeting Document : WG-EMM-17/P02 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan
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A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.
level. Relative to Fishing Options 2 and 3, fishery performance under Option 4 is also poor, with ... . (2008) to assess the risks and tradeoffs associated with various management strategies for subdividing ... selecting among Fishing Options 2, 3, and 4 are tradeoffs between the risks to predator populations and ... of Fishing Option 3 will also require substantive fishery operations in pelagic SSMUs, but, if krill ...
Meeting Document : WG-EMM-08/30 : Auteur(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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Estimating toothfish biomass in Subarea 48.3 using local depletions
of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ... the initial CPUE experienced by the fishing vessels. Using this correlation, combined with the average ... means of estimating toothfish density at South Georgia. Over the four years 2000-2003, we found 25 areas ...
Meeting Document : WG-FSA-SAM-04/18 : Auteur(s): Pearce, J., Agnew, D.
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Modelling growth of Antarctic krill: a new approach to describing the growth trajectory
from direct measurements of individual pre- and post-moult krill sampled from the wild with a model of ... temperature-dependent intermoult period. Using summer and early autumn data for juveniles and males sampled ...
Meeting Document : WG-EMM-05/27 : Auteur(s): S. Candy and S. Kawaguchi (Australia)