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1. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   . Analyses of the data at the beginning of each summer season could enable us to evaluate the potential for ... further analysis of SST maps, provides continuous information on hydrological conditions in the area ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... with the early 1990s, the period from December to February in the late 1990s and early 2000s showed a ... the data at the beginning of each summer season could enable us to evaluate the potential for ... occur at the beginning of the summer fi shing season could be used for predicting krill catches for ... of SST maps, provides continuous information on hydrological conditions in the area. Analyses of ... conducting a krill fi shery in the area during the entire year. The reliability of these forecasts could be ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P

2. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... or decrease after an impact. Fledgling weight was found to decline through the fledging period each ... period corresponding to the average peak fledging period. Modelling assumes that fledgling weights are ... year, but there was no evidence that the rate of decline differed between years. A consequence of this ... power to detect a change in fledgling weights after an impact. The statistical models were developed ... years after that impact (post-impact data), (ii) the impact may cause a systematic change in fledgling ... to an impact, and (2) for c years after the impact, in circumstances where the impact results in a ... post-impact periods, in respect of the null hypothesis of no change after impact, i.e. H0: δ = 0 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Автор(ы): Emmerson, L.M., C. Southwell and J. Clarke

3. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   tagged and recaptured from the same longline vessel in 2002 after up to two months at liberty. The fish ... Rocks (Subarea 48.3) Abstract / Description:  In 2000 the UK started a Patagonian toothfish ... (Dissostichus eleginoides) tagging program to investigate the spatial and temporal movement of fish and to ... strontium chloride or oxytetracycline that places a permanent chemical marker on the otolith indicating the ... . Four fi sh were tagged and recaptured from the same longline vessel in 2002 after up to two months at ... seas area on the Patagonian Shelf at 42°S after about one year at liberty from some opportunistic ... . Fish were released through a PVC pipe which was fi tted to the side of the vessel. The bottom end of ... hook damage observed in the 39 to 71 days after capture having healed completely. This adds to ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Автор(ы): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

4. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   those applied in the Antarctic, even after adjustments have been made to account for differences in ... biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... accurate echosounder calibration. The Simrad EK500 scientific echosounder used aboard RRS James Clark Ross ... is calibrated regularly at South Georgia before and after krill surveys there, and exhibits temporal ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ... of which one of the most fundamental is accurate echosounder calibration. The Simrad EK500 ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ... calibrations conducted at the two locations. At 120 kHz, the required S, transducer gains at South Georgia ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Автор(ы): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

5. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   , March–May 2000 Abstract / Description:  During the period March to May 2000, the UK undertook trials of ... (Subarea 48.3). This method has the potential to minimise, or eliminate, incidental bird mortality when ... compared to the standard longline method. This paper describes the trial and the results, and discusses the ... commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... combat the problem (SC-CAMLR, 199813, paragraphs 4.52 and 4.71). To this end, the UK has examined ... carabina clip was attached to the loose end of each pot branchline, and these were clipped onto a steel ... to longlines, with an anchor at each end preventing the line from dragging on the bottom. AII ai ... by the Argos Georgia, which undertook longline fishing immediately after completion of tlie pot ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

6. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   such a way as to avoid fishing between the end of February and mid-May. File:  07croxall-prince.pdf ... Patagonian toothfish at South Georgia Abstract / Description:  We examine the extent of overlap between South ... May and October (main chick-rearing period). However during the chick-brooding period, from March ... through mid-May, adult birds of both sexes spend most of their time at sea over the South Georgia ... should be managed in such a way as to avoid fishing between the end of February and mid-May. Resume ... the end of February until mid-May, the time of the most serious potential mortality of D. exulans ... Cross, Madingley Road Cambridge CB3 OET United Kingdom Abstract We examine the extent of overlap ... ) and between late May and October (main chick-rearing period). However during the chick-brooding ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Автор(ы): Croxall, J.P. and P.A. Prince

7. CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass

   -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... and primary data for their calculations, were examined. The main CPUE indices were catch per vessel ... observed. However, the correlation between daily mean values was quite low as a result of significant ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ... well as the main sources of data and primary data for their calculations, were examined. The main ... CVDF and CEVDF, and CVDF and CHT was observed. However, the correlation between daily mean values was ... quite low as a result of signifi cant fl uctuations in haul duration due to the different fi shing ... strategies used when targeting krill intended for different end products, i.e. human consumption, krill ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Автор(ы): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov

8. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   tonnes- at the low end of values that have been suggested in the past. The differences between our ... density measurements Abstract / Description:  The total circumpolar abundance of Antarctic krill ... historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... estimates and others can be explained by a number of factors such as: an underestimation of the range or the ... range of krill. The biomass estimates fall between 60 and 155 million tonnes - at the low end of values ... have been fished in the past, we know enough about the distribution of krill to begin the process of ... Abstract The total circumpolar abundance of Antarctic krill (Euphausia superba) is estimated using ... recent measurements of krill density from acoustic surveys and historical information on the overall ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Автор(ы): Nicol, S., A.J. Constable and T. Pauly

9. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   in Subarea 48.3 Abstract / Description:  During the 2005 fishing season, experiments on the ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ... initial condition had a higher survivorship than large animals and those in poor condition. The results ... after this time. These instances have been noted in Table 1 but were not included in the analysis ... started to grey over after 12 hours, a phe- nomenon that was attributed to exposure to the bright factory ... lights. However, after 12 hours in the holding tank, most fish were vigorous and evasive when ... 7 June, 23 days after being placed in the tank and again eight days later on 15 June. Analysis ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Автор(ы): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

10. Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle

    South Georgia at various stages of its life cycle Abstract / Description:  The distribution of mackerel ... into account the spatial–temporal variability of C. gunnari. Young fish of the first age group (<15 ... cm in length) were mainly found in the southern part of the study area, immature fish (15–25 cm) in ... the east and southwest, and adults (25–39 cm) in the north. The distribution of C. gunnari changes ... distribution was considered between the depth ranges of 100–150 and 151–200 m, and there- after at 50 m ... initially in the layer from 200 m depth to the bottom, and at the end of the season, in the 50–75 m bottom ... migrate to the Shag Rocks area most probably die after reaching two years of age. The abovementioned ... older than the fi rst year of maturity, also form concentrations on the shelf at the beginning of the ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Автор(ы): Frolkina, Zh.A

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