Search results
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Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
of variations introduced by good and bad years (as classified on the basis of breeding success ... ). There is generally good agreement between observed and predicted breeding populations, except in four years, when ... of these years were associated with reduced availability of krill, one with very cold winter and spring ... in one year, and for part of the differences in two other years, when mortality rates must also have been ...
Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)
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Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)
within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation area ...
Meeting Document : WG-CEMP-92/34 : Author(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
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Development of methods relevant to feedback management (FBM) for the krill fishery
, as presented in SC-CAMLR XXXVI/BG20 requires acoustic data to be collected, processed and reported continuously ... summer 2018-2019. Author(s): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A ... and predator needs. A future developed FBM system, as presented in SC-CAMLR XXXVI/BG20 requires acoustic data ... studies will take place during the Austral summer 2018-2019. ...
Meeting Document : WG-EMM-18/08 : Author(s): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... . The predicted age structure, dominated in recent years by the 1987 year-class (1 year olds in 1988), was quite ... to the VPA the population in 1991/92 was composed of a large proportion of 5 year olds, which ... of the VPA results in most recent years is attributed to the invalid assumption of constant ... Champsocephalus gunnari B IIo~paHoHe 48.3 C MCnOJIb30BaHMeM VPA, 6bIJIM npe~npMHSlTbI nonbITKM ycoBepmeHcTBoBaTb ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
catch biomass, the catch-at-length proportions and the mean weight of the fish. 20. In each year ... on affected populations ................................. 20 5.3 Identification of levels of risk ... ..................................................... 20 5.4 Mitigation measures ............................................................... 20 ... 6. By-catch of birds and mammals ....................................................... 20 6.1 By-catch ...
Document : Site Section: Publications
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
years included in the study, two were categorized as years of poor body fat condition, and three ... as years of good condition. Estimated body weight gain during the feeding season in poor years was 25 ... % lower than in good years. The relationship between girth and stomach content mass in the ice-edge zone ... V. In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was covered ...
Meeting Document : WG-EMM-97/18 : Author(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.
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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
to characterise the age composition. It was determined that in the initial years of exploitation of the stock ... years (1981-1985) fisheries were based practically on recruitment. After the closure of the specialised ... the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of repeated spawning fish ... in the initial years of exploitation and further closure of marbled rockcod specialised fishery can lead ...
Meeting Document : WG-FSA-94/04 : Author(s): P.B. Tankevich (Ukraine)
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in South Sandwich Islands (Subarea 48.4)
’ for Dissostichus spp.) are shaded. Throughout this report the CCAMLR fishing season is represented by the year ... to 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR DISSOSTICHUS SPP ... . in Subarea 48.4 for the past 10 years (Subarea 48.4 North and Subarea 48.4 South combined). (Source ... of attention in CCAMLR in recent years after the acknowledgement that commercial fishing by itself had ...
Document : Site Section: Publications
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Proposal for an acoustic krill biomass survey in CCAMLR Subarea 48.1 in relation to the hydrological environment and in conjunction with carbon cycling and temperature adaptation experiments of krill and salps
in CCAMLR division 48.1 during April 2018. The survey will be part of a larger research cruise (PS112 ... 48.1 during April 2018. The survey will be part of a larger research cruise (PS112) investigating ...
Meeting Document : WG-EMM-17/39 : Author(s): B. Meyer, L. Suberg, S. Fielding, O.R. Godø and C. Reiss
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VME detection thresholds: preliminary results of a study on the case of the sea pens (Pennatulacea) of the CCAMLR sector 58.4.4b
Group 2018. However, despite the important level of the catches, no VME detection threshold triggering ... Group 2018. However, despite the important level of the catches, no VME detection threshold triggering ...
Meeting Document : WG-EMM-2019/52 : Author(s): A. Martin and M. Eléaume