Résultats de la recherche
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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... . frigida) in 2000. There was no clearly dominant prey group in 1999. The five-year average proportion of E ... (Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ... gross energy content of individual meals was often above average in years when the diets contained fewer ...
Meeting Document : WG-EMM-12/17 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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The orderly development of the krill fishery
Abstract: During deliberations at CCAMLR XXV on revising the precautionary catch limit for krill ... in Statistical Division 58.4.2 Australia noted that while the scientific data supported an increase ... facilitate the orderly and precautionary development of the fishery. Australia has this year submitted papers ... capacity be established for the fishery relative to the catch limits (small or large scale spatial limits ...
Meeting Document : CCAMLR-XXVI/30 : Auteur(s): Delegation of Australia
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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
monitoring, and the calculation of closure dates, for the 2018/19 season in the Ross Sea: The Secretariat ... the current fishing season, calculations will be made on historical catch data for the vessels that ... Abstract: In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ...
Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat
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Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)
Status: Content Approved Document Release Consent: No Delegation responsibility for releasing documents ... Abstract: In the present study we provide new insights on the spatial distribution and population ... structure of juvenile D. mawsoni caught during bottom trawl survey on the shelves around the South Shetland ... to 2007. Juveniles were relatively evenly distributed on the shelves around Elephant Island and ...
Meeting Document : WG-FSA-18/45 : Auteur(s): M. La Mesa, E. Riginella and C.D. Jones
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THE AUSTRALIAN SKATE TAGGING PROGRAM AT HEARD ISLAND AND MCDONALD ISLANDS, CCAMLR DIVISION 58.5.2
majority had been at liberty for several years. In order to enhance the ease of identification of skates ... and to ensure good quality of the data, one page identification sheets were developed for each species ... last eight years with nearly 6,000 skates tagged. The recapture rate has been low, less than one ... which will be used by observers on board fishing vessels. Author(s): G.B. Nowara and T. Lamb (Australia ...
Meeting Document : WG-FSA-08/55 : Auteur(s): G.B. Nowara and T. Lamb (Australia)
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Extending the time series of catch-weighted length frequencies
use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... extended the existing time series of catch-weighted length frequencies for D. eleginoides in Subarea 48.3 ... by nine (9) seasons. In all, data are now available for 21 seasons from 1984/85 to 2004/05. New data ... an overlap of seasons. However there is a systematic difference in the overall number of fish ...
Meeting Document : WG-FSA-SAM-06/04 : Auteur(s): David Ramm & Lydia Millar
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
Abstract: Samples of the squid, Martialia hyadesi, were collected aboard two Japanese squid ... unrecognised food chain: copepod- myctophid- Martialia hyadesi- higher predator, may be an important component ... eyes, the lappets on euphausiid first antennule segments and cephalopod sucker rings. The most frequent ...
Meeting Document : SC-CAMLR-XI/BG/11 : Auteur(s): Delegation of United Kingdom
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Cooperation between CCAMLR and CITES
Abstract: Information on cooperation between CCAMLR and CITES for the past three years is ... summarised as background for Commission discussions of a request from the CITES Secretariat to consider ... submission of a report to CITES CoP14 on "illicit trade in toothfish products". Author(s ...
Meeting Document : CCAMLR-XXV/BG/12 : Auteur(s): Secretariat
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Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru
; ANTAR XXII: 21 070.62 nm2 with 17 transects).The SIMRAD EK60 scientific echosounder used for ... multifrequency 120 and 38 kHz, respectively. This system is calibrated according to the procedure of ICES. For ... pelagic trawl hauls- Pelagic Engel gear were used for checking acoustic signals (Antar XXI: 9 stations ... high densities between 20 and 50 m deep while overnight, dispersed and scattered swarms were detected ...
Meeting Document : WG-EMM-16/76 : Auteur(s): R. Cornejo, M. Flores and J. Zuzunaga
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
direction to that for adults. Such habitat partitioning may reduce intraspecific competition for food, which ... Status: Content Approved Document Release Consent: No Delegation responsibility for releasing documents ... ), based on a compilation of all available post 1970s data. Using these maps, we then examined firstly ... extracted data spanning 41 years (1976-2016) from the existing KRILLBASE-abundance and KRILLBASE-length ...
Meeting Document : WG-EMM-2019/20 : Auteur(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor