Search results
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Variations in food composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia
Abstract: The diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari ... ) around Shag Rocks and the mainland of South Georgia was investigated in January/February 1985, January ... of krill and Themisto in the diet items varied considerably between the three seasons, whereas the ... proportion of mysids in the diet remained fairly constant. krill is obviously the prefered diet. In years of ...
Meeting Document : WG-FSA-92/26 : Author(s): K.-H. Kock (Germany), I. Everson (United Kingdom), S. Wilhelms (Germany), S. Campbell (United Kingdom), J. Szlakowski (Poland), G. Parkes (United Kingdom), Z. Cielniaszek (Poland) and C. Goss (United Kingdom)
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Abstract: Since krill distributional data do show evidence of spatial correlation, estimators of ... performance in practice. Such studies require a simple method for computer generation of krill distribution ... " models of krill distribution are considered. These achieve overall spatial correlation by placing ... encouraging improvement in fits to the distribution of inter-swarm distances observed on the 1981FIBEX survey ...
Meeting Document : WG-KRILL-91/21 : Author(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
participated in the research project in each of the three fishing seasons and the progress achieved during the ... first 2.5 years is reported. Between December 2012 and April 2015 a total of 291 Dissostichus ... eleganoides and 3273 D. mawsoni were tagged and released, and a total of 10 and 49 tagged D. eleganoides and D ... the southern half of Subarea 48.6 already in the current season, more than total number for all ...
Meeting Document : WG-SAM-15/50 : Author(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Progress report of the CEMP camera network in Subarea 48.1
Abstract: We provide a brief update on the progress of our project “Establishing a CEMP Camera ... 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 ... coverage of breeding chronology and success estimates for 2015/16. We were also able to develop methods ...
Meeting Document : WG-EMM-16/58 : Author(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, A. Barbos, C. Southwell and L. Emmerson
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Habitat preferences of Adélie and chinstrap penguins during pre-moult
Abstract: In order to understand and mitigate for the potential impacts of anthropogenic ... phase of the annual cycle. We show that Adélie penguins have an affinity to forage and moult on sea-ice ... to moult. However, habitat models aimed to predict the preferred foraging habitats of penguins during ... understand the distribution and foraging behaviour of penguins during certain stages of the life-cycle, and ...
Meeting Document : WG-EMM-18/P12 : Author(s): V. Warwick-Evans, M. Santos and P.N. Trathan
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ESTIMATING THE NUMBER OF PRE- AND INTERMITTENT BREEDERS ASSOCIATED WITH THE BÉCHERVAISE ISLAND ADÉLIE PENGUIN POPULATION
Abstract: The size of two of the inaccessible (non-breeding) components of the Adélie penguin ... a series of mark-recapture analyses and some simple population modelling techniques. Author(s): L ... . Emmerson and C. Southwell (Australia) Title: ESTIMATING THE NUMBER OF PRE- AND INTERMITTENT BREEDERS ...
Meeting Document : WG-EMM-PSW-08/08 : Author(s): L. Emmerson and C. Southwell (Australia)
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Proposal for extension of fishing season on the exploratory fishery for Dissostichus spp. in Statistical Subarea 48.6 in the 2004/05 season
Abstract: Based on the last year's record of the operation and the advice by WG-IMAF/WG-FSA ... , the extension of the fishing season for the exploratory longline fishery for Dissostichus spp. in ... Statistical Subarea 48.6 north of 60°S is proposed. Author(s): Delegation of Japan Title: Proposal for ... extension of fishing season on the exploratory fishery for Dissostichus spp. in Statistical Subarea 48.6 in ...
Meeting Document : WG-FSA-04/18 : Author(s): Delegation of Japan
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Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... , between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ...
Meeting Document : WG-EMM-08/33 : Author(s): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)
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Preliminary results on the composition and abundance of the krill stock in the southern Bellingshausen Sea (Antarctic, CCAMLR Subarea 88.3)
south of 66°S, between 68°W and 120°W. Krill Euphausia superba abundance and biomass was in the lower ... range of values generally found in the Antarctic Peninsula and Elephant Island region. A distinct ... the East Wind Drift zone and larger ones further north under the influence of West Wind Drift waters ... recruitment success of the 1992/93 year-class in the region (R1 = 0.076). Both results indicate large scale ...
Meeting Document : WG-EMM-95/18 : Author(s): Siegel, V.
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Population assessment of Antarctic toothfish in Subarea 48.4 using tag-recapture method
Abstract: The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was estimated using as the ... Petersen method as 640 tonnes. Application of the harvest rate used for D. eleginoides in Subarea 48.3 (γ ... = 0.038) gives yields of 24 t for the Antarctic toothfish in the region vs. previous estimation of 30 ... tonnes. Author(s): V. Laptikhovsky (United Kingdom) Title: Population assessment of Antarctic toothfish ...
Meeting Document : WG-FSA-13/64 : Author(s): V. Laptikhovsky (United Kingdom)