Résultats de la recherche
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
Abstract: The results of the second annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 1997/98 summer season. There were six sightings of ... seals wearing neck collars of man-made debris, half the number reported in 1996/97. All of the animals ... involved were juvenile males, the main component of the population seen at Signy Island at this time of ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Auteur(s): Delegation of the United Kingdom
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Phase-randomisation in an integrated assessment model for Antarctic krill
parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... (Euphausia superba, hereafter krill). We fixed the parameters that were not estimated in any given ... configuration at pre-specified values. The model was fitted to survey and fisheries data for krill in Subarea ... 48.1, a statistical reporting area used by the Commission for the Conservation of Antarctic Marine ...
Meeting Document : WG-SAM-17/31 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Abstract: The Patagonian toothfish (Dissostichus eleginoides) has been fished in the Kerguelen ... Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ... fishery of the Indian sector of the Southern Ocean. However IUU fishing has appeared in 1997. A GLM ... analysis has been performed from the statistical data of the legal fishery to assess the factors affecting ...
Meeting Document : WG-FSA-05/27 : Auteur(s): C. Lord, G. Duhamel et P. Pruvost (France)
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Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model
Abstract: The methods used for deciding the closure date for fisheries monitored by the ... Secretariat of CCAMLR, as described in Conservation Measures, have been difficult to implement because of the ... variation in catch rates shown by the fisheries. Non-fluctuating random and fluctuating random catch ... histories are simulated and the performance of four Models for making closure decisions is investigated ...
Meeting Document : CCAMLR-X/BG/09 : Auteur(s): Secretariat
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Proposition portant création d'une aire marine protégée dans la région de la mer de Ross
Abstract: The delegations of New Zealand and the United States propose the establishment by the ... Commission for the Conservation of Antarctic Marine Living Resources (Commission or CCAMLR) of a marine ... protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of ... the exceptional ecological value and scientific importance of the Ross Sea Region, our delegations ...
Meeting Document : CCAMLR-SM-II/04 : Auteur(s): Delegations of New Zealand and the USA (This paper introduces a revised version of the proposal contained in CCAMLR-XXXI/16 Rev. 1 of 29 October 2012)
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Developing a Ross Sea region medium-term data collection plan
Abstract: Data are collected for use in scientific research, the results of which are used to ... the goals the management wishes to achieve. The Scientific Committee has recommended the development ... of a specific data collection and research plan for the Subarea 88.1 and 88.2 fisheries (SC ... -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ...
Meeting Document : WG-FSA-10/32 : Auteur(s): S. Mormede and S. Hanchet (New Zealand)
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Comparison of equal-area cylindrical and circular piston transducers
choosing among alternative transducer geometries. This contribution addresses the problem of choosing ... between cylindrical and circular piston transducers by comparing the performance of the two according to ... the principle that the acoustically active areas be equal. Computations are performed with the actual ... dimensions of six fabricated cylindrical transducers, whose beam patterns have been measured by the ...
Meeting Document : WG-EMM-95/08 : Auteur(s): Foote, K.G.
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
Abstract: Standardization of fishing effort on the basis of the generalized linear models with ... mixed effect (GLMM) allows to the authors to analyze the specific character of the spatial distribution ... of fishery at the scale of Area 48, Subareas 48.1-48.3, SSMUs and years using CAMLR statistical ... database. The interannual variability of the standardized CPUE related to the fishery performance was ...
Meeting Document : WG-EMM-10/17 : Auteur(s): P.S. Gasyukov and S.M. Kasatkina (Russia)
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GIS ‘ChartMaster’ for aquatic living resources research in Antarctic
modern oceanography, marine biology and fishery monitoring. The Russian Federal Research Institute of ... Fishery and Oceanography (VNIRO) has developed the new GIS ‘ChartMaster’ designed for processing the data ... provided by the fisheries oceanographic surveys. This software allows: to analyze the data of hydro ... and abundance; to estimate the instant biomass in the surveyed area; to carry out the survey planning ...
Meeting Document : WG-SAM-13/04 : Auteur(s): V.A. Bizikov, S.M. Goncharov, A.V. Polyakov, S.B. Popov and A.F. Petrov (Russia)
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Matlab code for calculating krill biomass in a survey area
Abstract: In 2010, CCAMLR tasked the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM ... ) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... algorithms developed since the first calculation in 2000. Subsequent to the 2010 SG-ASAM, code used to obtain ... biomass (B 0; tonnes) estimates was compiled and provided to the Secretariat for reference and use by ...
Meeting Document : SG-ASAM-16/03 : Auteur(s): A. Cossio, J. Renfree and C. Reiss