Search results
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Fisheries
various times in the past and are no longer active. Monitoring of the fisheries is performed using ... The fisheries in the Convention Area currently target Patagonian toothfish (Dissostichus ... Antarctic krill (Euphausia superba). These fisheries are managed using the ecosystem-based and precautionary ... maintain existing ecological relationships. The fisheries operate in a regulatory framework which ...
Page : Site Section: Fisheries
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
-Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in the key biomass ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ... ), using catch, catch-at-age, and tag-recapture data from 1997–98 to 2014–15 and including the results from ...
Meeting Document : WG-FSA-15/38 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Abstract: No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... (Dana, 1852). The eyestalks from 51 individuals were dissected, cut in longitudinal sections and studied ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... , each zone consisting of one light and one dark section. The width of the longitudinal sections ...
Meeting Document : WG-EMM-16/P02 : Author(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
Abstract: A beach litter survey was carried out on Signy Island, South Orkney Islands during the ... 1992/93 austral summer. Similar surveys were carried out during the 1990/91 and 1991/92 summers. Debris ... . At Cummings Cove, a total of 42 items were recovered (9.10 kg). No debris was found at Starfish Cove ... . Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ...
Meeting Document : CCAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
fueron identificados como Chionobathyscus dewitti, y no hubo diferencias significativas en la proporción ... Paper Title: Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea ... during the 2005/06 fishing season. These observers were placed on board three longline vessels targeting ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (CCAMLR Subareas 88.1 and 88.2). Biological data ... , meristics, reproductive biology, diet and age estimation. All of the icefish sampled were identified as ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Exploitation of the marine environment by two sypatric albatrosses in the Pacific Southern Ocean
mass of prey taken. No satellite-tracked birds fed over the shelf, but data from the duration of ... Abstract: The marine habitat exploited by black-browed Diomedea melanophyrs and grey-headed ... . Data were analysed in relation to the bathymetry and sea-surface temperature of the foraging zones ... . Black-browed albatrosses spent 55% of their time on the Campbell Plateau but also carried out long ...
Meeting Document : WG-FSA-04/59 : Author(s): S.M. Waugh (New Zealand), H. Weimerskirch, Y. Cherel (France), U. Shankar (New Zealand), P.A. Prince (United Kingdom) and P.M. Sagar (New Zealand)
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
simulated data from the Dirichlet-multinomial distribution Abstract / Description: The incorporation of ... ‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... its variants. One of the methods is based on the lack-of-fit of predictions of class probabilities ... of ESS were no longer possible. the dirichlet-multinomial model Consider initially a single year ... methods are compared using the simulation Candy 122 model with no process error or systematic error ... thE dirichlEt-multinomial distribution S.G. Candy Department of the Environment, Water, Heritage ... and the Arts Australian Antarctic Division 203 Channel Highway, Kingston 7050 Tasmania, Australia ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
reference area sizes. Although no toothfish fishery data along the shelf area in austral autumn – winter was ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ...
Meeting Document : WG-SAM-15/05 : Author(s): Delegation of Japan
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Satellite tracking of black-browed and light-mantled sooty albatrosses from Heard Island and potential interactions with fisheries
Abstract: The purpose of this document is to inform CCAMLR of the results of a satellite tracking ... ). This was the first time the movements of either species from the island had been studied. Ten black ... foraged on the shelf break within 150 km of Heard Island, and focused 75% of their foraging time in waters ... over submarine canyons on Gunneri Ridge, north east of the island. There was considerable spatial ...
Meeting Document : WG-FSA-05/14 : Author(s): K. Lawton, R. Kirkwood and G. Robertson (Australia)
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Krill fishery report: 2012 update
have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far for ... June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 t ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ...
Meeting Document : WG-EMM-12/05 : Author(s): Secretariat