Résultats de la recherche
-
Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations
regular scientific monitoring of the resource. Recently, however, the Commission for the Conservation of ... Abstract: There is a substantial harvestfor Antarctic krill in the Southern Ocean, butlittle ... fisheries to increase the amount of relevant information available for making management decisions. We here ... provide an example where 34 days of acoustic data, collected during commercial krill fishing operations on ...
Meeting Document : WG-EMM-16/P12 : Auteur(s): E.J. Niklitschek and G. Skaret
-
Conservation Measure Conservation Measure 69/XII (1993)
scientifique a été désigné conformément au Système d'observation scientifique internationale de la CCAMLR ... . L'observateur scientifique est tenu de rester à bord du navire pendant toutes les activités de pêche ... de recherche qu'il a l'intention de suivre en cette période; ii) une indication confirmant qu'un observateur ... des pêcheries à la palangre (Formulaire C2, dernière version). Ces données doivent inclure le nombre ...
Conservation Measure : 69/XII (1993)
-
A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
ecosystem Abstract / Description: The history of human harvests of seals, whales, fish and krill in the ... Paper Title: A first step towards modelling the krill–predator dynamics of the Antarctic ... Antarctic is summarised briefly, and the central role played by krill emphasised. The background to the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... , whales, fish and krill in the Antarctic is summarised briefly, and the central role played by krill ... the diet composition of crabeater seals to be 94% krill, 3% fish and 2% squid, based on samples ... fish, and the amount of krill and fish consumption differs greatly between regions. However, as more ... exists to estimate the abundances and hence consumption of krill by cephalopods, fish and birds for the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth
-
A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
ecosystem for evaluating krill management procedures Abstract / Description: CCAMLR is developing a ... management procedure for the krill fishery, including the evaluation of candidate management procedures in a ... ., S. Nicol, K. Taki and M. Naganobu. 2004. A conceptual model of the krill fi shery. Document WG-EMM ... abundance of krill. Fish. Oceanogr., 7: 381–390. Murphy, E.J., J.L. Watkins, M.P. Meredith, P. Ward, P.N ... marine ecosystem: Antarctic krill (Euphausia superba). Document WG-EMM-04/50. CCAMLR, Hobart ... l’Antarctique. Ce document développe une structure pour l’élaboration de ces modèles. Il discute des exigences ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Auteur(s): Constable, A.J
-
Status of the krill stock around Elephant Island in 1991/92 and 1992/93
Paper Title: Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description: Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... distribution in the vicinity of Elephant Island during AMLR investigations 1988-1992. Document WG-Krill-92/22 ... . Sahrhage, M. Stein and J. Tiedtke. 1988. Hydrography, krill and fish and their possible relationships ... and spring distribution fishery resources. FAO Fish. Tech. Pap., 171: and status of the krill stock ... . Resumen Se presenta y compara la cornposicion del stock de kril y sus patrones de distribucion ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel
-
Target strengths of Antarctic krill (Euphausia superba)
Paper Title: Target strengths of Antarctic krill (Euphausia superba) Abstract / Description: The ... Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 ... ) observed or presumed interference by extraneous scatterers such as fish, penguins, or krill swarms in the ... : 69 pp. FORBES, S.T. and O. NAKKEN. 1972. Manual of methods for fisheries resource survey and ... ). JOHANNESSON, K.A. and R.B. MITSON. 1983. Fisheries acoustics. A practical manual for aquatic biomass ... encaged fish to be tapped, as represented in the bibliography in Foote (1986). In addition, an experiment ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Auteur(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote
-
Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
, based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass ... sensitive areas. Advances are needed to improve management of krill fisheries to manage these risks and to ... Abstract: We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... variation was significant (CV=73%) but no systematic change in krill biomass was evident during the period ...
Meeting Document : WG-EMM-15/28 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)
-
Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3
Abstract: The Scientific Committee has previously used results from the Krill-Predator-Fishery ... File: sc-xxxvii-bg-12.docx Approval: Approved Secretariat Workflow Status: Content Approved Document ... for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... of the Convention. Management strategies for the krill fishery are currently comprised of an overall ...
Meeting Document : SC-CAMLR-XXXVII/BG/12 : Auteur(s): Delegation of the USA
-
Conservation Measure Conservation Measure 131/XVI (1997)
des activités de pêche au moins un observateur scientifique et, si possible, un autre observateur nommé ... conformément au système d'observation scientifique internationale de la CCAMLR. 6 . Tous les navires ... en application : i) le (les) observateur(s) scientifique(s) à bord de chaque navire collecte les données ... capturés et relâchés ou tués est déclaré par espèce; iv) le (les) observateur(s) scientifique(s) à bord ...
Conservation Measure : 131/XVI (1997)
-
Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Paper Title: Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... methods of determining subarea or local area krill catch limits are evaluated relative to six criteria: (i ... relationships between krill and their predators are explicitly considered and the potential for delayed ... . Biology and ecology of the Antarctic Krill (Euphausia superba Dana): a review. Biomass Scientific Series ... el kril (Euphausia superba) de 1.5 millones de toneladas en el Area estadistisca 48. Esta medida ... captura de kril por subarea 0 zona especifica en conexi6n a seis principios: (i) la medida en que se ... focas) si se toman en cuenta explicitamente las relaciones eco16gicas entre el kril y sus depredadores ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt