Resultados de la búsqueda
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History of development and completion of tasks put forward by WG-EMM (2001–2003)
records since the adoption by WG-EMM in 2001 of a new five-year plan of work. A history of tasks for the ... for the period from 2001 to 2003 (SC-CAMLR-XXI, Annex 4, paragraph 6.41). This is a new series of ... period from 1995 to 2001 is archived in WG-EMM-02/12. Author(s): Secretariat Title: History of ... Abstract: A history of development and completion of tasks put forward by WG-EMM is summarised ...
Meeting Document : WG-EMM-04/13 : Autor(es): Secretariat
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Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution
inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this ... near-bottom water layers where they are easy of access for fishing. C.gunnari, which do not spawn in ... feeding period, they form aggregations near bottom thus being available for harvesting just at the ...
Meeting Document : WAMI-01/08 : Autor(es): Zh.A. Frolkina and S.M. Kasatkina (Russia)
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History of development and completion of tasks put forward by WG-EMM (1995–2000)
Abstract: In response to the debate at WG-EMM-99 about the development of the ecosystem approach ... within CCAMLR. The Secretariat prepared a review of the various tasks initiated at WG-EMM-95 and later ... meetings (WG-EMM-00/29). The Working Group requested that the review should be updated annually. The 2001 ... review covers meetings of WG-EMM from 1995 to 2000. Author(s): Secretariat Title: History of ...
Meeting Document : WG-EMM-01/4 : Autor(es): Secretariat
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A synoptic review of energetic requirements of southern ocean krill predators
requirements of krill predators that may be in the most direct competition with the krill fishery. These krill ... Abstract: The purpose of this paper is to synthesize information on the energetics and food ... compiled for each species. Estimates' of the amount of krill needed. to sustain individuals and/or ... predators are the Adélie (Pygoscelis adeliae), chinstrap (Pygoscelis antarctica), gentoo (Pygoscelis papua ...
Meeting Document : WG-EMM-96/19 : Autor(es): Stansfield, A.M.
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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 : Autor(es): L. Emmerson and C. Southwell (Australia)
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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 : Autor(es): J.S. Panizza, A.P. Tomo, E. Marschoff and C. Massigoge (Argentina)
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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 : Autor(es): D. Sologub (Russia)
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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 : Autor(es): J.M. Hoenig, E.G. Dawe, D.M. Taylor, M. Eagles and J. Tremblay (USA)
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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 : Autor(es): Kasatkina, S.M.
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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 : Autor(es): J.-H. Kim, H.-C. Kim, J.-I. Kim, C.-U. Hyun, J.-W. Jung, Y.-S. Kim, H. Chung and H.C. Shin