Search results
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1 and 100-1,500 t per ... -web of Dissostichus spp. has started to be studied in the southern Ross Sea. Some studies on biology ... of the fish have been evaluated, but those are not enough to assess the stocks and consider proper ...
Meeting Document : WG-SAM-14/21 : Author(s): Delegation of the Republic of Korea
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Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)
Abstract: The stock assesment of Dissostichus eleginoides from the subarea 48.3, between the ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ... show descent trends in Total, Fishable and the Spawning Biomass. This last part of the population is ... actually (1997) very close to the 20% of the initial (1992) spawning biomass. An aproximation of the future ...
Meeting Document : WG-FSA-97/43 : Author(s): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.
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POTENTIAL PHENOLOGICAL RESPONSES TO ENVIRONMENTAL VARIABILITY AND CHANGE FOR ADÉLIE PENGUINS
Abstract: Phenological changes are touted to be an early indication of species response to ... environmental change and have been reported for a range of species around the globe. In Antarctica, there is a ... clear indication of phenological changes for the Adélie penguin (Pygoscelis adeliae) with contrasting ... trends in clutch initiation dates reported for populations on opposite sides of Antarctica. Such shifts ...
Meeting Document : WG-EMM-11/33 : Author(s): L. Emmerson and C. Southwell (Australia)
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Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2006/07
Abstract: This report describes and quantifies occurrences of fishing gear, marine debris and oil ... fourteenth such annual report. As in previous years, more items of marine debris and fishing gear (mostly ... . The total number of items encountered (n =170) increased after a recent short-term decline with large ... numbers of fishing hooks and line (n=70) recovered from wandering albatross chick regurgitations ...
Meeting Document : SC-CAMLR-XXVI/BG/18 : Author(s): Delegation of the United Kingdom
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Products for human consumption from krill (Euphausia superba)
months at-30°C and one month at-20°C. Dried krill of good quality could be prepared by blanching krill in ... boiling 5% Na Cl solution for 5 minutes and then sundrying. Incorporation of krill mince even at a level ... of 10% to fish mince during production of surimi and fish paste affected the quality. Though a prawn ... like flavour was imparted on mixing krill mince with fish mince during preparation of fish cutlet and ...
Meeting Document : WG-EMM-98/41 : Author(s): J. Joseph, V. Muraleedharan, R. Thankamma and C.N. Ravishankar (India)
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Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report
at South Georgia and Shag Rocks early in 2000. A total of 2486 have been tagged and released during ... trawl surveys, experimental pot fishing and longline fishing. Some of the fish tagged on longliners in ... otoliths of some of these chemically marked recaptures of the 2003 season were examined and the preliminary ... were also recaptured. From recaptures of chemically marked fish our study seems to indicate that the ...
Meeting Document : WG-FSA-03/80 : Author(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)
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CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY
number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... Spatial variation o Krill water content o Reporting errors (recording percentage recovered instead of ... total catch estimates as the majority of vessels interviewed made direct estimates of green weight ... catches; and, A need for closer monitoring of processing methods, calculation of green weight catches, and ...
Meeting Document : TASO-09/06 : Author(s): Moir Clark, J., Peatman, T.
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Krill catch distribution in relation to predator colonies, 1987-1991
Abstract: The distribution of krill catches in relation to predator colonies in Subareas 48.1 and ... 48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... December and March, and these are between 10 and 18% of the estimated total penguin consumption in this ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ...
Meeting Document : WG-KRILL-92/18 : Author(s): Secretariat
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Research concept on catchability to study toothfish abundance/stocks in the Antarctic marine areas
Abstract: Main two methods, which are used for the estimation of abundance/stocks of toothfish in ... CPUE data. But calculation of toothfish abundance with using these methods demands a number of ... assumptions, which sometimes broaden too much the possible values of the calculated parameters. The authors ... present a method approach concerning possible use of a bottom trawl survey to estimate a minimum ...
Meeting Document : WG-SAM-18/19 : Author(s): K. Demianenko, L. Pshenichnov, O. Diripasko and V. Gurianov
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A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic
fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... , was examined to verify the calibration result. The analysis result confirmed the possibility of ... calibration by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S ...
Meeting Document : SG-ASAM-17/P01 : Author(s): S.-G. Choi, H. Lee, K. Lee and J. Lee