Résultats de la recherche
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Progress report of the CEMP camera network in Subarea 48.1
Network in Subarea 48.1”. The project was initiated with support from the CEMP Fund in 2014/15. The ... project is now running, with 53 time-lapse cameras installed throughout Subarea 48.1. Installation of ... of pre-existing cameras at some sites enabled validation studies to be completed and partial network ... success for Adélie, gentoo, and chinstrap penguins at all camera sites throughout Subarea 48.1 to be ...
Meeting Document : WG-EMM-16/58 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, A. Barbos, C. Southwell and L. Emmerson
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REPORT ON A RANDOM STRATIFIED TRAWL SURVEY TO ESTIMATE DISTRIBUTION AND ABUNDANCE OF DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHALUS GUNNARI IN THE HEARD ISLAND REGION (DIVISION 58.5.2) FOR 2008 AND 2009
generally reduced from the previous year’s survey, with the catch of toothfish being one third of that for ... than that of 2008, with the catches of toothfish and icefish being four and five times higher ... completed on the RV Southern Champion, continuing the series that commenced in 1997. Catches in 2008 were ... respectively, and catches of skates being twice that of the 2008 level. The 2009 catches were closer to the ...
Meeting Document : WG-FSA-09/34 : Auteur(s): G.B. Nowara (Australia)
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Agreement on the Conservation of Albatrosses and Petrels – Report of the First Meeting of the Advisory Committee Interim Secretariat – Agreement on the Conservation of Albatrosses and Petrels
agreed that engagement with RFMOs was fundamental to improving the conservation status of many albatross ... examined issues associated with the establishment and operation of the Agreement Secretariat; noted reports ... and petrel populations and that ACAP should seek observer status at relevant RFMO meetings; FAO COFI ... the considerable work that had been done by CCAMLR to reduce seabird bycatch in CCAMLR waters and ...
Meeting Document : WG-FSA-05/25
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Preliminary assessment of Patagonian toothfish, Dissostichus eleginoides, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model
reported fishing only. Author(s): D.C. Welsford, A.J. Constable, T. Lamb and T. Robertson (Australia ...
Meeting Document : WG-FSA-06/45 Rev. 1 : Auteur(s): D.C. Welsford, A.J. Constable, T. Lamb and T. Robertson (Australia)
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Spatial distribution of foraging by female Antarctic fur seals
by lactating female fur seals predicted spatial distributions that were consistent with past ... Abstract: The study tested the hypothesis that the distribution of critical habitat for foraging ... hypothesis that fur seal predation was capable of causing local depletion of prey species. When foraging in ... at the end of lactation, females foraged to much greater ranges and there was evidence that they ...
Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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By-catch of fish in the krill fishery
operations from a research vessel. The results indicate that the bycatch of fish in the commercial krill ... fishery may be significant in some areas of the South Georgia shelf. The problem is thought to be least in ...
Meeting Document : WG-KRILL-91/25 : Auteur(s): I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR)
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A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
-energy food resource for Weddell seals that possibly cannot be adequately replaced by other prey, in ... -fold range. Nutritional analysis of Ross Sea prey suggests that toothfish may represent a unique high ... antarcticum) in Weddell seal diets should be re-examined given the known biases of methods used to derive diet ... resource, smaller size classes are unlikely to be adequate to meet the estimated energy requirements of ...
Meeting Document : WG-EMM-13/28 : Auteur(s): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
that a full review be completed and presented to WG-EMM, WG-SAM and WG-FSA in 2017. Author(s): S.M ... methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... . A nominal catch limit of 40 tonnes is requested for each survey. It is envisaged that the results of ... the 2016 survey, and trends in the time series, will be presented to WG-FSA for review in 2016 and ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
that these skates initially grow very rapidly for about five years, after which growth almost ceases ... that is radically different from the published interpretation. By counting fine growth bands in the ... caudal thorns instead of broad diffuse bands, we have generated growth curves that suggest much slower ... growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ...
Meeting Document : WG-FSA-08/21 : Auteur(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
fisheries of the patagonian toothfish Dissostichus eleginoides related with the selectivity of the type and ... East Pacific, are added. The data show that the circle hooks are far more efficient that the right ones ... . The size frequency of the population collected with straight hooks No3 and 4 are not significatively ... differences. It is notorious that female proportion increases significatively in the catches, at the same time ...
Meeting Document : WG-FSA-91/11 : Auteur(s): C.A. Moreno (Chile)