Resultados de la búsqueda
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
toothfish, usually depressing CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 ... estimated that the amounts of toothfish removed from longlines by cetaceans have varied between 1% and 8% of ... the declared catches over the period 2003–2009, with an average of 3.6%. File: 09moir-clark-and ... CPUE. Souvent en plus petits troupeaux de 1 à 4 individus, les cachalots ont un impact relativement ... en grupos menos numerosos, generalmente de 1 a 4 animales, y tienen un impacto relativamente menor ... (Dissostichus eleginoiDes) around south gEorgia J. Moir Clark1 and D.J. Agnew1,2 1 MRAG Ltd 18 Queen Street ... CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 and 4 animals, and have ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
were relatively high for +/-1 yr relative to the zero IE frequency, and less so for the +/-2 yr and ... , considered as 0, 1, 2, 3, 4, 5 yr and greater, classes for each of the 4 readability classes and 7 aggregate ... obtained for a given readability score and age. Proportions of the AIE 1 yr error class decreased relative ...
Meeting Document : WG-FSA-09/21 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
were relatively high for +/-1 yr relative to the zero IE frequency, and less so for the +/-2 yr and ... , considered as 0, 1, 2, 3, 4, 5 yr and greater, classes for each of the 4 readability classes and 7 aggregate ... obtained for a given readability score and age. Proportions of the AIE 1 yr error class decreased relative ...
Meeting Document : WG-SAM-09/07 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
. Example equations are provided. (In press: British Antarctic Survey Bulletin No. 79 (May 1988)). File: 13 ... : British Antarctic Survey Bulletin No. 79 (May 1988). 1. British Antarctic Survey, Natural Environment ... differentes rnesures de longueur en tant qu'indicateurs du poids vert ou sec du krill antarctique Euphausia ... longueurs et le poids sec et vert en tant que fonctions du sexe, du stade de la rnaturite et du stade de ... supplementaires en fonction des diminutions de la variance residuel1e des relations. Nous avons identifie les ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Autor(es): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
January–February 2000 Abstract / Description: During the survey of Subarea 48.4 from 17 January to 1 ... possible from such grounds despite a predicted low catch per hour of trawling. File: 10kasatkina.pdf ... 5 18 1 13 0. 4 T yp es o f k ri ll ag gr eg at io n fo rm in g th e d en si ty ... ea n d en si ty (g m -3 ) 21 .7 35 26 .1 37 .8 M ea n sw ar m b io m as s ( to ... nn es ) 0. 16 9 0. 27 1 0. 12 9 0. 53 8 Pe rc en ta ge o f s w ar m s w it h b io ... d’évaluation acoustique réalisée en janvier 2000. Liste des fi gures Figure 1: Répartition de la densité (g ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
severe depletion can occur in the space of just two or three seasons. File: 03mckinlay et al.pdf ... seasons. Résumé En 2006, le Comité scientifique de la CCAMLR s'inquiétait de l'état du stock sur lequel ... capture et d'effort de pêche, mettent en évidence un déclin de la légine à l'échelle des lieux de pêche ... être étudiées. En effet, la présente étude indique qu'une diminution grave des stocks peut se produire ... en l'espace de deux ou trois saisons. Резюме В 2006 г. Научный комитет АНТКОМа выразил ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Autor(es): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
Southern Ocean in the future. File: 13duhamel-etal.pdf ... rostrata sont dominants. Les autres sont principalement des espPces du plateau qui se retrouvent en ... eatonii, B. irrasa n Antimora rostrata. A p y r ~ e nonaBruHe B npHJl0B pb16b1 6b1n~1 B O C H O B H O M ... palangre de fondo, cuyo objetivo fue el bacalao de profundidad (Dissostichus eleginoides), en 10s ... B. irrasa (rayas), y Antimora rostrata (moras). Las demas especies se encontraban en su mayoria en ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville
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Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
situations was 0.14 ± 0.03. File: 03-Moreno-and-Rubilar.pdf ... calculados en 1as 44 situaciones analizadas fue de 0.14 ± 0.03. 1. INTRODUCCION Desde que Shust et al ... natural (M) fueron: • Berverton and Holt (1956) (basado en edad) 1 M(=Z)=--- t-t' donde, t' es la ... sitio de pesca En la tabla 1 se observan los valores calculados para los tres diferentes caladeros ... diferentes. 3.3 Efecto de la profundidad de pesca Separando las estructuras de tallas de las pescas en 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Autor(es): Moreno, C.A. and P.S. Rubilar
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Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003
K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ...
Meeting Document : WG-EMM-03/61 : Autor(es): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
dominated at Shag Rocks, however 1+ and 2+ sized fish were present in larger proportions at South Georgia. A ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ...
Meeting Document : WG-FSA-11/29 : Autor(es): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)