Résultats de la recherche
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ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES
30 days after the median date of pupping was estimated for the years 1997-2007 at 4.5% (±0.60). Adult ... 2001/02, pup production for the entire archipelago declined at an average annual rate change of-4.3 ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ... female natality for the same period was 0.79 (±0.02) and in 2007/08 was below average at 0.73. Leopard ...
Meeting Document : WG-EMM-PSW-08/14 : Auteur(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
industrial fishing vessels between April 2002 and March 2003. For the 180 hauls monitored, the evidence of ... support the hypothesis that the richest fishing grounds are also traditional feeding grounds for sperm ... 95% US$47 302–153 745) for the whole fleet, with a mean loss per set of US$138 (CI 95% US$74.76–249.3 ... 80 90 E ffo rt ( ha ul s ob se rv ed ) (a) 0 5 10 15 20 25 30 35 40 45 Jan Feb ... 20 30 40 50 60 70 80 90 E ffo rt ( ha ul s ob se rv ed ) (b) (a) (b) Hucke ... Sep Oct Nov Dec Month S pe rm w ha le s (in di vi du al s) 0 10 20 30 40 50 60 70 ... le ng th ( m m ) (a) y = 6.2936x + 173.06 R2 = 0.8552 0 5 10 15 20 25 30 40 50 60 70 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05
eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... Abstract: The exploratory fishery for Antarctic toothfish (D. mawsoni) has been operating for ... resulted in the closure of all SSRUs due to catch limits for toothfish, or bycatch limits for rattails ... length and age composition of the catch. During the development of the fishery there has been a steady ...
Meeting Document : WG-FSA-05/29 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)
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SC-CAMLR-II
Seal’s Age at Maturity: an Insight into Antarctic Marine Interaction? Delegations of the UK and USA SC ... ): Tuesday, 30 August 1983 to Thursday, 8 September 1983 Meeting documents Doc Number Title SC-CAMLR-II/01 ... the USA SC-CAMLR-II/07 Proposals for the Establishment of Subsidiary Bodies of the Scientific ... Monitoring Requirements for Indirect Indications of Changes in the Availability of Antarctic Krill Applied to ...
Meeting
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SC-CAMLR-XVII
): Monday, 26 October 1998 to Friday, 30 October 1998 Meeting documents Doc Number Title SC-CAMLR-XVII/01 ... Provisional Agenda for the Seventeenth Meeting of the Scientific Committee for the Conservation of Antarctic ... Marine Living Resources SC-CAMLR-XVII/02 Provisional Annotated Agenda for the Seventeenth Meeting of the ... Scientific Committee for the Conservation of Antarctic Marine Living Resources SC-CAMLR-XVII/03 Report of the ...
Meeting
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
depth of longlines for given distances astern. This increase in depth is minor and unlikely to result in ... ) the depth of longlines for given distances astern. This increase in depth is minor and unlikely to ... highest in the world for demersal longline fisheries (Weimerskirch et al., 2000; SC-CAMLR, 2001 ... tension several metres astern (depending on sea state) and at an angle to the sea surface. Tension ... astern is thought to delay line sinking and keep baits available to seabirds for longer. Although ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Auteur(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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WG-SAM-12
Republic of Korea WG-SAM-12/11 Notification for multi-year research in Subarea 48.5 Submitted on behalf of ... Shinsei Maru No. 3 in 2012/13 Delegation of Japan WG-SAM-12/18 Method of age determination for Antarctic ... (Russia) WG-SAM-12/05 Results of Phase I and II of the research program for toothfish fishery in Subarea ... . Kulish (Russia) WG-SAM-12/06 Deployment of research hauls in the exploratory fisheries for Dissostichus ...
Meeting
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
results of a survey of prey size in Adélie penguins, sampling designs intended for the detection of inter ... inter-annual variation for mean prey size is fixed at 10%; the test power is taken as 0.9 and Type I ... values for the variance components and their 80% confidence intervals have been extracted from Table 3 ... 20 minutes; and the laboratory time was one person working for one hour to sort and clean the well ... errors in a ratio between variance components. For this reason, 80% confidence limits were used in order ... in an iterative procedure (Bliss, 1967, p. 259), the minimal value of DD yielding a 90% confidence ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Auteur(s): Marschoff, E. and B. Gonzalez
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
be about five times their body weight. File: 20-Pakhomov-and-Tseitlin.pdf ... food items for Chionodraco hamatus and Cryodraco antarcticus were first-year matured C. wilsoni (SL=17 ... significantly and the population was of one age class. However here we came across an increase in the index of ... production of no less than 20 to 25 thousand km2, is required for a biomass of this size. If one assumes ... that food evacuation from fish stomachs corresponds to an exponential function (Tyler, 1970 and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Auteur(s): Pakhomov, Y.A. and V.B. Tseitlin
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Dynamics of abundance and state of Notothenia rossii rossii stocks on the Kerguelen Island shelf
for the period of 1970-1984 have been presented, the average age of recruitment has been stated ... . Fishing mortality of Notothenia rossii rossii, the age and length for optimal exploitation,coefficients of ... exploitation (Uopt.) and optimal fishing mortality (Fopt.) in age groups and years of fishery have been ...
Meeting Document : WG-FSA-90/41 : Auteur(s): P.B. Tankevich and V.A. Shlyakhov (YugNIRO, USSR)