Résultats de la recherche
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Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities
Abstract: In our study skeletal elements from fish species of the Antarctic waters were extracted ... by bioenzyme and compared with the aim to provide a computer supported identification system ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ...
Meeting Document : WG-FSA-05/35 : Auteur(s): J. von Busekist, M. Vacchi and G. Albertelli (Italy)
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Spatial distribution of Champsocephalus gunnari in Subarea 48.3. Some implications for parameter estimation
Abstract: Results of the analysis of three consecutive cruises to subarea 48.3 are analyzed. A ... significant variance component associated with the formation of clusters of stations was found as well as a ... general trend for increasing densities since 1994. The significant variance component obtained for ... (as in the estimation of the variance of the mean density) might result in a gross underestimation of ...
Meeting Document : WG-FSA-96/30 : Auteur(s): Calcagno, J., Gonzalez, B., Marschoff, E.
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Monitoring Antarctic environmental variables using penguins
trips from 49 penguins indicated that during December 1991 and January 1992 the temperature in the top ... 100 m of the water column was highest in the western section of the Bay which concurred with higher ... biotic features of the environment can be studied using animals to transport probes to the study site ... , provided information is given on the position of the animals when measurements are made. Author(s): R.P ...
Meeting Document : WG-CEMP-94/27 : Auteur(s): R.P. Wilson, B.M. Culik and R. Bannasch (Germany) and J. Lage (France)
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Method of age determination for Antarctic toothfish (Dissostichus mawsoni)
Abstract: This work is based on material from Antarctic toothfish, collected in the Ross Sea from ... December 2004 to March 2005 on the longliner “Volna”. Age was determined for 364 individuals. Currently ... widely applicable "the break and burn method" was used in the present work (Chilton, Beamish ... , 1982; Penttilla, Dery, 1988). According to the method, otolith is broken into two parts across the core ...
Meeting Document : WG-SAM-12/18 : Auteur(s): E.N. Kyznetsova, A.F. Petrov and V.A. Bizikov (Russia)
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Penguin monitoring via remote sensing
Abstract: Picking up the calling of the ATCM XXXIV to the Treaty Parties to intensify their ... the Antarctic, Germany currently carries out a feasibility study on penguin monitoring using such ... techniques. Additionally, CEP representatives and scientists discuss on an informal level the need and the ... general possibilities of a penguin monitoring in the Antarctic Treaty area based on remote sensing ...
Meeting Document : WG-EMM-12/71 : Auteur(s): H. Herata and F. Hertel (Germany)
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Proposition de modification de la mesure de conservation 31-02
Abstract: The Republic of Korea proposes that vessels that have received a fishery closure notice ... are required to immediately acknowledge the receipt of such a notice, and the Secretariat alerts the ... flag state if such acknowledgement is not received within a specific time frame to be agreed by the ... Commission. The amendment has been made as paragraph 1bis. The Republic of Korea believes that this new ...
Meeting Document : CCAMLR-XXXVII/33 : Auteur(s): Delegation of the Republic of Korea
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A generalized discriminant for sexing fulmarine petrels from external measurements
birds to predict the sex of unknown individuals in field studies. Geographic variation in size and shape ... often limits the predictive value of a discriminant function to the population from which it was derived ... , Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples to the ... correct sex, but the validity of each discriminant applied to alternative populations remained ...
Meeting Document : WG-CEMP-94/24 : Auteur(s): J.A. van Franeker and C.J.F. ter Braak (The Netherlands)
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ... was tested applying both the average percent error (APE) and the coefficient of variation (CV). The ...
Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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Energetics of diving in macaroni penguins
the mass-specific rate of oxygen consumption (VO2) while diving and investigation of the physiological ... adjustments that might facilitate the diving behaviour observed in this species. In common with other diving ... accounted for 36% of the variation in dive duration. When VO2 was calculated for dives of different ... durations, 95.3% of dives measured were within the calculated aerobic dive limit (cADL) for this species ...
Meeting Document : WG-EMM-03/39 : Auteur(s): J.A. Green, P.J. Butler, A.J. Woakes and I.L. Boyd (United Kingdom)
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Unusual breeding by seabirds at Marion Island during 1997/98
species of seabirds capable of foraging over wide areas and for a tern. The number of king penguin ... Aptenodytes patagonicus chicks surviving to the start of spring in 1997 was considerably more than previously ... of northern giant petrels. Conversely, for two seabirds that feed close to the island, gentoo penguin ... breeding season. Gentoo penguins initiated breeding later than usual and fledged few chicks. The number of ...
Meeting Document : WG-EMM-03/13 : Auteur(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)