Search results
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Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report
trawl surveys, experimental pot fishing and longline fishing. Some of the fish tagged on longliners in ... 2002 were injected with oxytetracycline (OTC) to mark the otoliths for age validation purposes. The ... otoliths of some of these chemically marked recaptures of the 2003 season were examined and the preliminary ... results are presented here. Two fish marked with strontium-chloride (SrCl2) during the 2002 trawl survey ...
Meeting Document : WG-FSA-03/80 : Author(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)
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Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1
Abstract: This report presents results from a desktop study to determine the feasibility of ... , were considered using data from published and unpublished literature, the exploratory longline fishery ... and previous research cruises. The major limitation on a trawl survey in the Ross Sea is ice cover. On ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ...
Meeting Document : WG-FSA-SAM-04/07 : Author(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.
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Krill conversion factors
Abstract: Published information on conversion factors to estimate krill removals from the amounts ... with those currently in use although the differences are such that use of the traditional factors may ... introduce large errors into the estimation of removals. It is uncertain whether discarding is a common ... practice in the fishery, if it is then the use of any of the conversion factors will result in a serious ...
Meeting Document : WG-EMM-01/39 : Author(s): I. Everson (United Kingdom)
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Net diagrams for Norwegian vessels notified for krill fishery in 2015/16 – Notification ID 86750, 86751, 86780 and 86781
Abstract: In accordance with CM 21-03, Annex 21-03 A, attached are the net diagrams and marine ... mammal exclusion device diagram referred to in the krill fishery notifications for 2015/16 submitted for ... the three Norwegian vessels (Juvel, Saga Sea and Antarctic Sea). The pages 1 – 6 relate to the vessel ... Juvel, and the pages 7 – 10 relate to the vessels Saga Sea and Antarctic Sea. Author(s): Delegation of ...
Meeting Document : WG-EMM-15/01 : Author(s): Delegation of Norway
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Draft: Krill Fishery Report 2016
Abstract: This update to the annual krill fishery report contains background of the fishery as an ... introduction to the report, an inventory of catch and SISO data up to June 2016, including incidental mortality ... of marine mammals and seabirds as well as the CCAMLR approach to management of the krill fishery ... . Monthly catch maps for the last complete fishing seasons (2015) and the current season up to May 2016 have ...
Meeting Document : WG-EMM-16/07 : Author(s): CCAMLR Secretariat
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Detection of systematic change in Adélie penguin foraging trip duration: consequences of high inter-annual variability and usefulness of ice cover as a covariate
Abstract: Power analyses were carried out using a 12 year data set from the Béchervaise Island ... Adélie penguin colony with the aim of determining minimum sample sizes required to detect systematic ... the latter form could be more quickly and powerfully detected at a range of effect sizes than could ... from the onset of change (55% overall increase). Inclusion of ice cover as a covariate in the analyses ...
Meeting Document : WG-EMM-05/22 : Author(s): J. Clarke, C. Southwell and L.M. Emmerson (Australia)
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
Abstract: We tracked by satellite the foraging trips of males and females of the two sibling ... Georgia, Antarctica), during the incubation period (November-December). Size of the activity range as well ... seal carcasses, suggesting that females mainly forage at sea, whereas males mainly scavenge on the ... may be reduced by the limited overlap in the activity range, with southern giant petrels foraging ...
Meeting Document : WG-FSA-99/39 : Author(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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Expanding CCAMLR’s consideration of whales in science and management
Abstract: The second CCAMLR Performance Review Panel in 2017 recommended that the “relationship ... significant advancements in the understanding of the status of whales, much of scientific and management ... relevance to CCAMLR. As CCAMLR works to progress management of the krill fishery and develops a network of ... . ASOC therefore recommends that CCAMLR: • Consider the most recent and best available science on ...
Meeting Document : SC-CAMLR-38/BG/24 : Author(s): Submitted by ASOC
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Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)
South Orkney islands zone (48.2). The fishing season was extended from 19/2/04 (summer 2004) to 7/4/05 ... (early winter 2005) with a total of 251 days of effective fishing. Descriptive study of the fishery ... operation was performed for the two fishing systems used: conventional fishing system (CON) and the ... were analyzed to describe differentialy catch rates (catch per day and catch per minute) of the three ...
Meeting Document : WG-EMM-05/12 : Author(s): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)
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Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island
their diets but fish constituted 0-1 % and 14-45 % of the diet of diurnal and overnight foragers ... respectively. The highest intake of fish was observed in 1993/94 when krill abundance was very low. Calorific ... values of the estimated diet mass were 4085 kJ for diurnal foragers and 4809 kJ for overnight foragers ... ) and an overnight forager (5732 kJ) based on available input parameters. A comparison of krill in the ...
Meeting Document : WG-EMM-96/55 : Author(s): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.