Search results
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2016/17
the long-term mean at both Bird Island and Goudier Island but below the mean at Signy Island. The incidence ... of marine mammal entanglements was below the long-term mean at all sites surveyed. Debris associated ... with seabird colonies was above the mean level for wandering albatrosses and grey-headed albatrosses, but below ... the mean for black-browed albatrosses and giant petrels. Author(s): C. Waluda Title: Marine debris ...
Meeting Document : SC-CAMLR-XXXVI/BG/35 : Author(s): C. Waluda
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ... not been completed in most of the recent fishing seasons. Soaking time showed high variability and no ... to fishing logbooks recorded in the exploratory fisheries carried out between July 2000 and March ... 2012. During this period, a total of 9 countries registered fishing operations in which 1811 sets were ...
Meeting Document : WG-SAM-13/41 : Author(s): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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Draft Krill Fishery Report
summary of information related to the krill fishery in a similar format to the fishery reports that are ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ... includes a report on krill fishing in the current season and a list of notifications for next season ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ...
Meeting Document : WG-EMM-14/58 : Author(s): Secretariat
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ... the new diversity threshold, a total of 10 VME areas are proposed, half of which encompass multiple ...
Meeting Document : WG-EMM-12/51 : Author(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Relative abundance of large whales around South Georgia
mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ... Abstract: To assess large whale stocks following the cessation of land-based South Georgia ... particular feeding ground is the most likely reason for ongoing low numbers of all species. Other factors may ... humans, an unusually high rate of natural mortality, habitat change such as alteration in sea ice ...
Meeting Document : WG-EMM-99/34 : Author(s): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)
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Krill stock evaluation with data from commercial fishing vessels
‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... . The use of such vessels as platforms for survey transects under scientific supervision has already ... board during normal fishing operations in a relatively easy and cheap manner using the Norwegian vessel ... within a time-frame of a week and linked to krill length data from the same period. The data from the ...
Meeting Document : WG-EMM-12/63 : Author(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
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Alternative assessment methods for toothfish at South Georgia
initial lack of early decline, the abrupt decline between 1995 and 1996 and the subsequent increase in ... . The fit of the model to the CPUE series is not good, and there are several unexplained problems. The ... first is that the CPUE in the early 1990s did not decline as would be expected as the resource was ... would be predicted by the model. Thirdly, all models predict a continuing decline, not the increase in ...
Meeting Document : WG-FSA-SAM-04/17 : Author(s): Kirkwood, G., Payne, A., Agnew, D.
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MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES
is important to integrate the predator needs as natural mortality of its prey in models to set prey ... precautionary interpretation in the context of an ecosystem-based management. Author(s): J. Forcada, D. Malone ... Abstract: Correctly quantifying the impacts of rare apex marine predators is essential to ... species and their dependent predators. This requires modelling the uncertainty in such processes as ...
Meeting Document : WG-EMM-09/P08 : Author(s): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland
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Dietary composition of juvenile Dissostichus eleginoides (Pisces, Nototheniidae) around Shag Rocks and South Georgia, Antarctica.
Abstract: A diet analysis of the Patagonian toothfish Dissostichus eleginoides, trawled in the ... by the frequency of occurrence method. Cephalopods and mysids were infrequent in the stomachs, and ... South Georgia Islands area in March–April 1996, was carried out by frequency of occurrence (F%) and ... coefficient ‘‘Q’’ (%) methods. The samples consisted chiefly of immature specimens, with predominant length ...
Meeting Document : WG-FSA-05/P6 : Author(s): Casaux, R., Barrera-Oro, E.R., Marschoff, E.R.
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POTENTIAL PHENOLOGICAL RESPONSES TO ENVIRONMENTAL VARIABILITY AND CHANGE FOR ADÉLIE PENGUINS
environmental change and have been reported for a range of species around the globe. In Antarctica, there is a ... phenophases of the breeding cycle and describe shifts in Adélie penguin breeding phenology reported at ... clear indication of phenological changes for the Adélie penguin (Pygoscelis adeliae) with contrasting ... trends in clutch initiation dates reported for populations on opposite sides of Antarctica. Such shifts ...
Meeting Document : WG-EMM-11/33 : Author(s): L. Emmerson and C. Southwell (Australia)