Resultados de la búsqueda
-
The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island
population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ... the form of sea-ice present, the season in which it is present and the processes that such sea-ice ...
Meeting Document : WG-EMM-07/21 : Autor(es): L. Emmerson and C. Southwell (Australia)
-
Summary of Ross Sea skate tagging programme results
Abstract: Over 9,000 skates have been tagged and released in the Ross Sea over a period of seven ... 1,000 m and tagged. In-water tagging greatly reduces the incidence of broken jaws in skates, and ...
Meeting Document : WG-FSA-06/32 : Autor(es): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)
-
NPOA-Seabirds Science Advisory Group Final recommendations on fields of research for the NPOA Medium Term Research Plan 2006/07–2010/11
effects of fishing on seabird population viability, on apparent gaps in the existing research, and ... interactions in New Zealand fisheries. The recommendations were used in the development of the research plan ...
Meeting Document : WG-FSA-05/46 : Autor(es): S. Waugh (Convener) (New Zealand)
-
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 ... South Georgia Islands area in March–April 1996, was carried out by frequency of occurrence (F%) and ... by the frequency of occurrence method. Cephalopods and mysids were infrequent in the stomachs, and ...
Meeting Document : WG-FSA-05/P6 : Autor(es): Casaux, R., Barrera-Oro, E.R., Marschoff, E.R.
-
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)
-
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)
-
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
-
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)
-
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
-
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)