Résultats de la recherche

1. ASPECTS OF POPULATION STRUCTURE, DYNAMICS, AND DEMOGRAPHY OF RELEVANCE TO ABUNDANCE ESTIMATION: ADÉLIE PENGUINS

   breeding sites during the breeding season. The objective of this paper is to identify and describe the ... aspects of Adélie penguin population structure, dynamics and demography that are relevant to the ... interpretation of counts made at breeding sites and the estimation of overall population abundance derived from ... , it is important to understand the population dynamics of the different components of the population ...

   Meeting Document : WG-EMM-PSW-08/09 : Auteur(s): L. Emmerson and C. Southwell (Australia)

2. Method for data treatment of biological samples of multidimensional parameters applied to: Euphausia superba Dana (krill) (+) (received too late for discussion during meeting)

   Abstract:  The method here described permits to overcome the gaps in the knowledge of the age of ... krill individuals by means of a data process deigned to obtain criteria for the coherent selection and ... grouping of such data. Author(s):  J.S. Panizza, A.P. Tomo, E. Marschoff and C. Massigoge (Argentina) Title ... :  Method for data treatment of biological samples of multidimensional parameters applied to: Euphausia ...

   Meeting Document : WG-DCH-84/28 : Auteur(s): J.S. Panizza, A.P. Tomo, E. Marschoff and C. Massigoge (Argentina)

3. SELECTIVITY OF CONVENTIONAL AND CONTINUOUS TECHNIQUES OF KRILL FISHERY

   Abstract:  Combination of conventional and continuous techniques during krill fishery at the ... Russian commercial vessel "Maxim Starostin" allowed to compare the size structure of the ... Antarctic krill (Euphausia superba) caught by these two techniques. Results of comparison are discussed in ... relation to the selectivity of fishing gears and the space-time variability of krill. Differences between ...

   Meeting Document : WG-EMM-11/14 : Auteur(s): D. Sologub (Russia)

4. Leslie analyses of commercial snow crab trap data: a comparative study of catchability coefficients

   Abstract:  If we could determine the relationship between catch rates in a trap survey and ... absolute population size, then we could estimate the standing stock of snow crabs before the fishing season ... historical Leslie analyses of commercial catch data obtained over several years and quantify the relationship ... between catch rate at the beginning of the season and the corresponding population estimate obtained by ...

   Meeting Document : WS-CRAB-93/13 : Auteur(s): J.M. Hoenig, E.G. Dawe, D.M. Taylor, M. Eagles and J. Tremblay (USA)

5. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   variable which depends on both the behavioural and distributional characteristics of the target species and ... midwater trawls and small research trawls, in this case using an Isaacs-Kidd trawl, demonstrated the ... futility of using the latter for trawl census survey biomass assessments due to their highly variable ... can facilitate selecting the optimal construction of commercial midwater trawls. Assessments of the ... , specific biomass (density) of krill in the catch is expressed in g/m2 or g/m3 at the point of trawling ... by the coefficient of variation of the catch per haul (Kq = aq/mq). Difficulties in estimating the ... catchability of research trawls such as the Isaacs-Kidd is generally known to be equal to 1.0, while in the ... case of a commercial trawl catchability P = 1.0 is applied to the fine-meshed attachment in the trawl ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Auteur(s): Kasatkina, S.M.

6. Application of aerial photography for ecological survey and habitat management of Adélie penguins

   Abstract:  There are some limits to the accurate counting of the total number of nests by ground ... survey at large scale breeding sites of penguins. To compensate for these shortcomings of the classical ... method, we tested the effectiveness of aerial photography for penguin monitoring at Cape Hallett. Images ... taken with a drone had a higher resolution than those taken by helicopter, and in the drone images ...

   Meeting Document : WG-EMM-18/38 : Auteur(s): J.-H. Kim, H.-C. Kim, J.-I. Kim, C.-U. Hyun, J.-W. Jung, Y.-S. Kim, H. Chung and H.C. Shin

7. Some idea of numerical model for assessment of Euphausia superba biomass

   Abstract:  A numerical model is being developed for assessment of Euphausia superba in Antarctic ... (developed by Dr. Yamanaka of Center of Climate System Research, University of Tokyo) of the three ... )calculation of spatial distributiion of Euphausia superba. Our model will be capable of calculating the ... detailed spatial distribution of Euphausia superba by dividing the Antarctic Ocean into many grid points ...

   Meeting Document : WG-KRILL-93/19 : Auteur(s): M.J. Kishi and M. Naganobu (Japan)

8. Status of WG-SAM reviews of research plans and research proposals and recommendations for streamlining

   Abstract:  Part of the remit of WG-SAM includes reviewing and providing advice to WG-FSA and the ... SC on the experimental design of research plans submitted under CM 21-02, and research proposals ... alone. The large volume of papers, lack of consistent format, lack of clear performance review criteria ... , and the lack of time available at the meeting made a meaningful review of each plan infeasible. To ...

   Meeting Document : WG-FSA-15/14 : Auteur(s): Convener of WG-SAM and Chair of the Scientific Committee

9. Fish Heaven 2.0: summary of modifications and additions to earlier versions and illustrations of its application as a tool for evaluating fisheries management systems

   examples of its application as a tool for evaluating fisheries management systems. As in previous years ... there have been numerous small changes and additions to the functionality of the program. This note ... range of models to be constructed and explored. The application of Fish Heaven as an evaluation tool is ... Abstract:  This note describes the most recent additions to Fish Heaven and provides illustrative ...

   Meeting Document : WG-FSA-SAM 03/15 : Auteur(s): I. Ball (Australia)

10. A comparison of geostatistical and random sample survey analyses of Antarctic krill acoustic data

    Abstract:  Data from the acoustic surveys of MV SA "Aghulas" and FRV "Walter Herwig ... sampling theory. A further high-resolution geostatistical analysis of the MV SA "Aghulas" (ping ... -by-ping) data set of the density of each individual aggregation is also presented. These analyses ... illustrate the problems of applying geostatistical methods to data from highly aggregated species which can ...

    Meeting Document : WG-EMM-95/76 : Auteur(s): Murray, A.W.A.

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