Résultats de la recherche
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Recent trends in numbers of four species of penguins at the Prince Edward Islands
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... , and 2000 pairs at Prince Edward Island. At Marion Island from 1987–2008, there was no long-term trend ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P01 : Auteur(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
Abstract: Icefish (Channichthyidae) specimens were randomly collected by observers during the ... toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... , diet, and age estimation. All of the icefish sampled were identified as Chionobathyscus dewitti, and ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ...
Meeting Document : WG-FSA-07/25 : Auteur(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04
changes in the ice conditions and fleet composition, no two seasons have been the same. In 2001, 2003, and ... and the associated bycatch from the fishing operations has been collected. This report is somewhat ... different to earlier reviews of the exploratory fishery. In the first instance, it reports catches by the ... new SSRUs used to manage Subarea 88.1; secondly, the report includes catch data from all countries ...
Meeting Document : WG-FSA-04/20 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ... Abstract: This report summarises the timing, depth, and location of fishing together with the ... biological aspects and catch of Antarctic toothfish for the period 1997–98 to 2012–13. In 2012–13, all the ... Ross Sea slope SSRUs were clear of ice and catches were evenly distributed across the three SSRUs. As ...
Meeting Document : WG-FSA-13/48 : Auteur(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France
Abstract: Japan and France have revised the next season’s (2016/17) research plan in research ... blocks 58.4.4b_1 and 58.4.4b_2 using the latest CCAMLR C2 and Observer data, following several advices ... August for the current analysis, but not used the cleaning data provided by them in this early September ... due to tight schedule for the submission. The estimated median stock size in block 58.4.4b_1 and ...
Meeting Document : WG-FSA-16/33 Rev. 1 : Auteur(s): Delegations of Japan and France
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Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)
Abstract: Total numbers of Antarctic toothfish collected in the CCAMLR Conservation Zone were 600 ... fish which consist of 306 fish from the 58 area and 294 fish from the 88 area during February through ... higher total length. The ratio of female among the 857 specimens of Antarctic toothfish collected from ... the 58.4.1 area and 88.3 area within the CCAMLR Conservation Zone during December, 2016 to March, 2017 ...
Meeting Document : WG-FSA-18/65 : Auteur(s): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An
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Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)
Abstract: Net samples data from the 15th Italian Antarctic Oceanographic Cruise (Jan-Feb 2000 ... ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae at 63 stations. The net was deployed normally as a standard ...
Meeting Document : WG-EMM-00/38 : Auteur(s): M. Azzali, A. Sala and G. Brancato (Italy)
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The Patagonian toothfish: biology, ecology and fishery
supports valuable fisheries throughout the Southern Ocean. D. eleginoides are found on the southern shelves ... and slopes of South America and around the sub-Antarctic islands of the Southern Ocean. Patagonian ... toothfish are a long-lived species (> 40 years), which initially grow rapidly on the shallow shelf areas ... scavengers, there is no evidence of large-scale geographic migrations and studies using genetics ...
Meeting Document : WG-FSA-10/P05 : Auteur(s): M.A. Collins, P. Brickle, J. Brown and M. Belchier
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Update on the Top Predator Alliance project, 2013–14 season: Killer whales
Type C killer whales (TCKW), have been identified as the top predators most likely to be directly ... affected by the removal of Antarctic toothfish (Dissostichus mawsoni; ‘toothfish’) in the Ross Sea region ... . However, extreme paucity of information about the diet of TCKW, and uncertainty regarding the degree of ... reliance on toothfish as a critical prey item, have limited our ability to (a) assess the risk posed by the ...
Meeting Document : WG-EMM-14/52 : Auteur(s): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)
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Submission of papers to meetings of the Working Groups
Secretariat (webmaster [at] ccamlr [dot] org) by no later than 0900 h on the day which is exactly two weeks ... SUBMISSION OF PAPERS TO MEETINGS OF THE WORKING GROUPS 1. Papers must be submitted by email to the ... prior to the commencement of the meeting, based on Eastern Australia standard time (‘Hobart’ time). 2 ... . Papers should be brief and should target specific agenda items. Each paper must include the Document ...
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