Search results
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A proposed process for the management of model updates and software versions for stock assessment used within CCAMLR with the example of the CASAL software
stock assessments in CCAMLR, with the specific example of the CASAL software used for stock assessment ... default, unless the latest development version is necessary, in which case it is the responsibility of the ... available only in a more recent development version are necessary. If a different version is used, then the ...
Meeting Document : WG-SAM-14/32 : Author(s): S. Mormede and A. Dunn (New Zealand)
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CEMP data inventory and summary analysis
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established to detect changes in ... in accordance with the ‘ecosystem approach’. This report: summarises CEMP data submissions for the ... approaches to feedback management. This report also includes a number of issues for consideration in relation ...
Meeting Document : WG-EMM-16/08 : Author(s): CCAMLR Secretariat
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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 : Author(s): S.G. Candy, A.J. Constable and D. Erceg (Australia)
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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 : Author(s): 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 : Author(s): 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 : Author(s): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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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 : Author(s): 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 : Author(s): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.
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Geographic aspects of Euphausia superba resources exploitation
. Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... E.superba show increased spatial irregularity. Development of fisheries activity in these new for catching ... as related changeability of aggregation location in the open-ocean environment. Exploitation of ...
Meeting Document : WG-KRILL-93/04 : Author(s): R.R. Makarov (Russia)
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
considered. Fishing in summer (near-coincident with the period of krill growth), or throughout the year ... , allows a greater catch (for the same risk of depletion) than in the case of fishing in winter. Author(s ...
Meeting Document : WG-KRILL-92/04 : Author(s): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)