Resultados de la búsqueda
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Description of an AD Model Builder implementation of the exact time of release and recapture stock assessment model of Tuck et al. (2003)
the Working Group on Fish Stock assessment in 2000 (Tuck et al. 2000; CAMLR-XIX, 2000 paragraphs 3.126 ... , 3.127). The maximum likelihood estimation for this model has more recently been implemented in the AD ... Model Builder software by Dr Tuck. The AD Model Builder executable that implements Tuck et al. (2003) in ...
Meeting Document : WG-FSA-04/75 : Autor(es): S.G. Candy, A.J. Constable and D. Erceg (Australia)
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The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ... Front. The prevalence in the diet of fish species discarded from fishing operations, and the presence of ... fish hooks and fish bait species, indicates a strong association with fisheries in southern Chile ...
Meeting Document : WG-FSA-03/9 : Autor(es): J. Arata (Chile) and J.C. Xavier (United Kingdom)
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Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... Patagonian toothfish (Dissostichus eleginoides) captured by trawl and in the longline fishery. We used a thin ... her readings were not used in the analysis. Estimates of the Von Bertalanffy parameters were L8 ...
Meeting Document : WG-FSA-02/74 : Autor(es): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko
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Studies of seabirds and seals at Bouvetøya 1998/99
. The main objective for the 1998/99 expedition was to continue the CEMP-monitoring work initiated in ... (Eudyptes chrysolophus) and Antarctic Fur Seal (Arctocephalus gazella). In addition to the CEMP-work, other ... and pup production of fur seals. The following CEMP-parameters were studied in Chinstrap Penguin and ...
Meeting Document : WG-EMM-00/13 : Autor(es): K. Isaksen (Norway), O. Huyser, S. Kirkman, R. Wanless and W. Wilson (South Africa)
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Beach litter accumulation at sub-Antarctic Marion Island – 1998/99
accunmulation for the year May 1998- April 1999. The amount of debris found in both annual and monthly ... still double that recorded during 1984. This recent decrease was mainly due to a decrease in the number ... dominated for the previous two years. Items originating from South America (Argentina in particular) were ...
Meeting Document : CCAMLR-XVIII/BG/22 : Autor(es): Delegation of South Africa
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
times within a breeding season to minimise bias in estimates of the breeding population has long been ... recognised, the considerable work in obtaining one-off counts for population surveys have not been matched by ... for Adélie penguins in east Antarctica. Author(s): C. Southwell, J. McKinlay, L. Emmerson, R ...
Meeting Document : WG-EMM-09/38 : Autor(es): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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Development of an underwater setting method for surface longliners, to minimise the accidental capture of seabirds
Abstract: In response to the Department of Conservation's concerns for the accidental ... placement devices were evaluated. Two methods being selected for further in depth evaluation. The first ... reaches its determined depth. At this point in time the carry over action of the capsule and retrieval ...
Meeting Document : WG-FSA-97/54 : Autor(es): Bentley, N., Smith, M.
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Pre-spawning and spawning biology of the Patagonian toothfish, Dissostichus eleginoides, around South Georgia (Subarea 48.3)
reproductive part of the Dissostichus eleginoides population in Subarea 48.3. Analysis and synthesis of these ... patterns of D. eleginoides sampled from longline catches. Some differences in food composition in relation ...
Meeting Document : WG-FSA-92/13 : Autor(es): I.N. Konforkin and A.N. Kozlov (VNIRO, Moscow, Russia)
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands during the 1994/95 austral summer
, were found in 20 trawl catches. Juvenile or adult notothenioid fishes were never found in a random ... of by-catch fishes was higher in krill hauls with the low catch rates. Author(s): Iwami, T. Title ...
Meeting Document : WG-EMM-95/56 : Autor(es): Iwami, T.
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The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates
coriiceps, predominated in frequency (56%) and in mass (55%), whereas Harpagifer antarcticus was the most ... the adults averaged 1.7 trips day-1 during incubation, 2.0 trips day-1 in early rearing and 4.6 trips ...
Meeting Document : WG-EMM-95/82 : Autor(es): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.