Search results
-
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
-
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.
-
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)
-
Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica
occupied. Applying our regression model to published mean Adélie penguin colony sizes at 23 locations ... regression model to published mean Adélie penguin colony sizes at 23 locations predicted 18 000 skuas ...
Meeting Document : WG-EMM-14/55 : Author(s): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)
-
Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia
mark-recapture models of this type. Given the increasing number of releases and recaptures in all the ... data from all the analysed cohorts in the estimation routine, and we examine the potential estimation ... bias, using simulated data. The results confirm earlier findings, with lower estimates of natural and ... estimates of the exploitation rate predicted by the full assessment models, currently being implemented ...
Meeting Document : WG-FSA-06/54 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)
-
Krill CPUE standardisation and comparison with acoustic data based on data collected from Chinese fishing vessels in Subarea 48.1
indicate the changing trends of the density of krill in the water close to sea surface, which may be ... Abstract: The usability of CPUE data as Antarctic krill abundance index was a widely discussed ... by Chinese fishing vessel Furonghai in 2015/16 season. The result showed that the CPUE data could be ... than catch per day data. The veridical distribution and movement of krill could be important source of ...
Meeting Document : WG-EMM-17/41 : Author(s): Y. Ying, X. Wang, J. Zhu and X. Zhao
-
La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
fishery of the Indian sector of the Southern Ocean. However IUU fishing has appeared in 1997. A GLM ... Abstract: The Patagonian toothfish (Dissostichus eleginoides) has been fished in the Kerguelen ... analysis has been performed from the statistical data of the legal fishery to assess the factors affecting ... a decrease of the CPUE, indicating a probable local overfishing. The bathymetric spreading of the ...
Meeting Document : WG-FSA-05/27 : Author(s): C. Lord, G. Duhamel et P. Pruvost (France)
-
Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2015–2016
the reporting period. Overall, the occurrence of beached marine debris was below the long-term mean at both Bird ... Island and Signy Island. The incidence of marine mammal entanglements was below the long-term mean at all ... sites surveyed. Debris associated with seabird colonies was below the mean level for wandering ... albatrosses and black-browed albatrosses, but above the mean for grey-headed albatrosses and giant petrels ...
Meeting Document : SC-CAMLR-XXXV/BG/21 : Author(s): Delegation of the United Kingdom
-
Diet of cape petrel, Daption capense, during late incubation and chick rearing period, at Laurie Island, South Orkney Islands, Antarctica
Abstract: The diet of Cape petrel was investigated on Mossman Hills, Laurie Island, South Orkney ... , during late incubation and chick-rearing period. The analysis of the samples showed that Euphausiids were ... by far the main prey. Antarctic krill Euphausia superba constituted the bulk of the diet ... conducted during the same period of the life cycle. Author(s): Coria, N.R., Montalti, D., Soave, G.E. Title ...
Meeting Document : WG-EMM-95/85 : Author(s): Coria, N.R., Montalti, D., Soave, G.E.
-
Antarctic Ocean Legacy: protection for the East Antarctic coastal region
Abstract: One of the 19 regions identified by the Antarctic Ocean Alliance (AOA) in October 2011 ... for the designation of marine protection is the coastal region of East Antarctica. The following ... Region, which outlines the AOA’s vision for marine protection in the East Antarctic. Appendix 1 contains ... the full Report. Author(s): Submitted by ASOC (Printed copies of the brochure will be available at ...
Meeting Document : CCAMLR-XXXI/BG/10 : Author(s): Submitted by ASOC (Printed copies of the brochure will be available at the meeting)