Search results
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
-tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... of mark–recapture models. When multiple sightings during any year are treated as a single sighting ... seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... ; assumption of mark–recapture models. When multiple sightings during any year are treated as a single ...
Meeting Document : WG-EMM-10/P16 : Author(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Identification of squid echoes in the south Atlantic
gathered during this haul and a survey of the immediate vicinity, in order to characterise an acoustic ...
Meeting Document : WG-EMM-97/26 : Author(s): Rodhouse, P., Goss, C., Brierley, A., Watkins, J.
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Sexual dimorphism and sexual segregation in foraging strategies of northern giant petrels Macronectes halli during incubation
dimorphism, in terms of the intersexual food competition hypothesis, on foraging and fasting strategies of ... northern giant petrels at South Georgia. Females foraged at sea whereas males foraged mainly on the South ... Georgia coast, scavenging on seal and penguin carcasses. Foraging effort (flight speed, distance covered ... , duration of foraging trips) was greater for females than for males. In contrast, foraging efficiency ...
Meeting Document : WG-FSA-99/38 : Author(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017
on the FV Sil between the 30th January – 7th February 2017. 2. 72 random hauls were completed covering ... Sil between the 30th January – 7th February 2017. 2. 72 random hauls were completed covering ...
Meeting Document : WG-FSA-17/44 : Author(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
-tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... of mark–recapture models. When multiple sightings during any year are treated as a single sighting ... seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... ; assumption of mark–recapture models. When multiple sightings during any year are treated as a single ...
Meeting Document : WG-EMM-10/P16 : Author(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
a posteriori estimation of error made when calculating biomass, and for survey planning on the basis ... estimate (by means of a survey) on statistical characteristics of fish concentration density field under ... examination and on parameters of survey itself, have been derived with the help of mathematical statistics and ... methods of calculus of probabilities; biomass estimate is determined as a product of average density for ...
Meeting Document : SC-CAMLR-VI/BG/39 : Author(s): Z.I. Kizner (USSR)
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Antarctic krill and climate change
climate change on krill is probably negative. To be able to account for climate change-induced ... Abstract: During April 2011, a multi-national group of scientists with expertise on Antarctic ... on the impact of climate change and increasing fisheries on Antarctic krill and Antarctic ecosystems ... , and possible repercussions for resource management. The workshop was organised by the Institute of ...
Meeting Document : SC-CAMLR-XXX/BG/03 : Author(s): Delegation of the European Union
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
the persistence of these populations. Based on these results, probabilities for extinction and quasi ... environmental scenarios. The extinction risk was estimated for twelve colonies from environmentally contrasting ... areas, such as the Antarctic Peninsula, Ross Sea and East Antarctica. We focused on the endogenous ... to exogenous perturbations was rather idiosyncratic and dependant on the local conditions. Those ...
Meeting Document : WG-EMM-2019/74 : Author(s): M. Huerta and S.A. Estay
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RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA
Abstract: Quantitative method for describing krill mass congestions based on perennial ... krill into regions is based on a principle of equal probability applied for congestions instead of the ... proposed for the correct evaluations based on reproducibility of statistic distribution parameters for ... rules applicable for natural habitat and equal probability concentrations. Spatial analyses of krill ...
Meeting Document : WG-SAM-08/P01 : Author(s): L.A. Kovalchuk (Ukraine)
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DETECTION OF COLD SEEPS AND HYDROTHERMAL VENTS
suggest an approach to identifying associated VMEs in the CCAMLR region that uses the results of ...
Meeting Document : WS-VME-09/09 : Author(s): Logan, G., O’Brien, P.E., Rollet, N., Kennard, J., Jones, A.