Resultados de la búsqueda
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
of penguin reproductive success and adult survival in the absence or presence of a fishery. The ... structure, determined by diffusion and advection, to krill availability in relation to the location of the ... krill. After fledging, offspring survival depends in part upon the amount of krill delivered to them ... by the fishing fleet. Over the range of catch in our study, the reductions in reproductive success ...
Meeting Document : WG-EMM-98/48 : Autor(es): M. Mangel and P.V. Switzer (USA)
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Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
species of ascidians and 11 species of cnidarians. All these data are available in the literature and geo ... -referenced. The French MPA project in Kerguelen will study Essential Fish Habitat, VME and patterns of ... factors. For benthos, a precise inventory of species will be the first outcome. In order to define VME in ... initiated by Arnaud, Délepine, Hureau and Rannou. Sampling was done mainly close to the coast, and in ...
Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... value of 4. The output from the integrated assessment of most interest in this study is the CV of the ... to estimate the CV. There was no reduction in CV for either series if a score of 3 was assumed. The ... , however most fish caught are in a more restricted, younger age range. For example, the upper age of fish ...
Meeting Document : WG-SAM-09/09 : Autor(es): S.G. Candy (Australia)
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THE ROSS SEA ANTARCTIC TOOTHFISH FISHERY: REVIEW OF THE 3-YEAR EXPERIMENT AND DEVELOPMENT OF MEDIUM-TERM RESEARCH OBJECTIVES AND AN OPERATIONAL FRAMEWORK FOR THE FISHERY
fishery over the next 5–7 years in relation to Article II of the Convention, and to develop an operational ... in relation to Article II of the Convention. As part of this process we identify uncertainties in our ... example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish, uncertainty ... Abstract: The aim of this paper is to review the recent management of the Ross Sea toothfish ...
Meeting Document : WG-FSA-08/50 : Autor(es): Delegation of New Zealand
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Biology, population dynamics and preliminary assessment of the long-term yield of Macrourus caml by-caught by the Australian fishery at Heard Island and the McDonald Islands (CCAMLR Division 58.5.2)
Abstract: Grenadiers (Macrourus spp.) are a common by-catch of the Australian fisheries in ... in Division 58.5.2, and likely to one of the most common grenadier by-caught. Sufficient data was ... collected in the survey, and subsequent commercial longline operations, to enable an assessment of the long ... term sustainable yield of M. caml at HIMI using the Generalised Yield Model. On the basis of this ...
Meeting Document : WG-FSA-15/63 : Autor(es): J. Dell, D. Maschette, E. Woodcock and D. Welsford (Australia)
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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 ... Abstract: We propose a process by which to select the version of software generally used for ... . The latest published version of any stock assessment software approved by CCAMLR should be used by ...
Meeting Document : WG-SAM-14/32 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Steps carried out to check the data inputs to the stock assessment of the Ross Sea region of Antarctica
using them in a stock assessment of Antarctic toothfish (Dissostichus mawsoni). The R codes used in this ... . Thanassekos (CCAMLR Secretariat) Title: Steps carried out to check the data inputs to the stock assessment of ... the Ross Sea region of Antarctica Approval: Approved ... Abstract: We detail the procedure followed to check the Ross Sea CCAMLR fisheries data prior to ...
Meeting Document : WG-FSA-13/56 : Autor(es): S. Mormede (New Zealand) and S. Thanassekos (CCAMLR Secretariat)
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
than 1,500m. Commercial catches are integrated in the model by CCAMLR season. A weighted combination of ... Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... Island (division 58.5.1 of the CCAMLR) was undertaken with the modeling software CASAL, using different ... unit effort of the commercial fishery, tagging survey, sample size frequencies… CASAL is a simple ...
Meeting Document : WG-FSA-11/28 : Autor(es): A. Relot-Stirnemann (France)
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Update of the Antarctic toothfish stock assessment for the Ross Sea by means of the TSVPA separable cohort model
Abstract: An updated Antarctic toothfish (in the Ross Sea) stock assessment was done by means of ... ). All the three sources of information taken separately (and together) indicate historical increase in ... stock biomass, perhaps, due to development (broadening) of the fishery. The results show that, according ... to the Constable & de la Mare (1996) decision rules, annual catches of 23 000 tonnes per year are ...
Meeting Document : WG-SAM-07/9 : Autor(es): D. Vasilyev, K. Shust, V. Babayan and T. Bulgakova (Russia)
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The effect of abiotic factors on the reproduction of seabirds on the Argentine Islands
decreased almost three times. Underwater surveys conducted by us in this period in the area of Galindez Is ... the Ukrainian Antarctic station "Academik Vernadsky". The most numerous breeding colony of ... among the newborn penguins on the Galindez Is caused by starvation. The number of residential nests ... witness about the presence of large amount of krill, which wasn’t available for all the species of sea ...
Meeting Document : WG-EMM-16/59 : Autor(es): І.V. Dykyy