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1. Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87

   npOTpaJIeHHhlX nJIO~aAeH. B TeqeHHe 60JIbWHHCTBa npOaHaJIH3HpOBaHHhlX ce30HOB npoBeAeHHaH OQeHKa OXBaThlBaJIa ... ~ecTBeHHble BapHaQHH B BeJIHqHHe nJIOTHOCTH 6HOMaCChl phl6hl B paCCMaTpHBaeMblH nepHoA. OQeHKH 6HoMaCChl ... Pbl6HblX 3anaCOB BapbHpOBaJIHCb OT 43 AO 158 ThlCHq TOHH. H3M~HeHHH BeJlHqHHhl 6HOMaCCbl HBJIHIOTCH ... mixed catch~s prevailed (1977;78 and 1984/85), when higher CPUE of C. aceratus could have been ... biomass density of C. gunnari stock. High biomass density appeared with 2-4 year intervals after ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk

2. The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)

   (Dissostichus eleginoides) at South Georgia (Agnew et al., 2001). Laboratory studies on adult growth ... Total catch (tonnes) July/August 1992 Pro Surveyor (USA) Paralomis sp. 299 September 1995–January ... 1996 American Champion (USA) P. spinosissima 497 August 1999 (14 days) Argos Helena (GBR ... and P. formosa 111.7 2006/07 (3 days) Argos Georgia (GBR) P. spinosissima and P. formosa 0.3 August–October ... analyses suggest that the current precautionary catch limit may not be sustainable in the long term if it ... further research should be directed in order to provide information on which to base the most appropriate ... poorly understood with great uncertainty surrounding their trophic ecology and life histories. Recent ... were reached consistently. Further research to address many of the areas outlined above should be ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown

3. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

   a fishery is operating or not. As a result of this, as well as the species' ability to live not only ... the entire being mixed in different proportions from the east nortl~ region of the shelf (northeast to nortl ... CCAMLR Scieilce, Vol. 8 (2001): 133-146 AGE-LENGTH ... from various spawning areas (north and south) become mixed. In addition, for those years for which ... catches. In November-December 1974, December 1975 and January-August 1977, vessels again targeted ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Author(s): Frolkina, G.A

4. Surface water circulation in krill fishing areas near the South Shetland Islands

   Abstract / Description:  This paper describes tracks followed by six surface drifting buoys that were ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... to be most abundant. The buoys were tracked using the ARGOS satellite positioning system. Based on ... sluggish southwest current with a series of small-scale circular and semi-circular flows in the shelf ... offshore waters appear to be associated with these currents. Sprong and Schalk (1992) reported that krill ... groups (Everson and 1995). Everson and Murphy (1987) showed that Goss, 1991; Ichii e t al., 1996). How ... regions. It was also emphasised that analyses of data to determine regions of rapid water transport with ... region moved north-east with a meandering current (Figures l(a) and l(c)) that travelled generally ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu

5. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   . B paHoHe IO)KHbIX IIIeT JIaH.lICKHX OCTPOBOB H oCTpoBa 3JIeBe.lleHa CbeMKa HHC Kaiyo ... .I B KOHl.\e 5.IHBap5.I 1988 r. llaHHble HCCJIe.llOBaHHH no XHIl\HHKaM KPHJI5.I, npoBe ... chlorophyll a. Water circulation was studied with satellite-tracked buoys equipped with curtain drogues ... distributions of krill and chlorophyll a was observed. It is therefore considered that both hydrodynamic and ... food availability factors may be responsible for krill concentration. On a traditional fishing ground ... 54% lower than that observed in late January 1988. Information from studies of krill predators by US ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu

6. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   to 31 August 2008, 4 289 lines were hauled by the seven legal long- liners operating in the Crozet ... 1 September to 31 August. Observer protocol The data were collected by fishery observers who were required ... between 1 September 2003 and 31 August 2008 (the dashed line represents the French EEZ boundary ... ) and (b) positions of lines that were depredated by killer whales between 1 September 2003 and 31 August 2008 ... Paper Title:  Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... % respectively of the 4 289 hauled lines. It was estimated that a total of 571 tonnes (€4.8 million) of ... whales were found to be responsible for the largest part of this loss (>75%), while sperm whales had a ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Author(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

7. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   sampling station before being pooled. 3. RESULTS 3.1 Oceanographic Features Figure 2 shows horizontal ... , 3a KOTOPbIMI1 BeJIOCb cnYTHI1KOBoe CJIe)KeHl1e. 3aTeHeHHaSI QaCTb - 30Ha POHTaJIbHOrO CKJIOHa ... . PI1CYHOK 5: BeJII1QI1HbI cpe,llHeti nJIOTHOCTI1 KPI1JISI, IHTerp"pOBaHHbIe Ha e,llI1HI1ll;y ,llJII1HbI ... were generated, suggesting that hydrodynamic convergence might be responsible for accumulation of krill ... neritic and nearshore zones. This indicates that slope frontal features may be important for the formation ... in this zone. The total biomass over the survey area was estimated to be 1.59±0.45 million tonnes (95 ... + neritic + nearshore zones). Information from other studies indicated that krill biomass in this region had ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Author(s): Ichii, T., H. Ishii and M. Naganobu

8. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   . The remaining unsexed larger fish had gonads that had deteriorated beyond re­ cognition due to being stored ... before 77 Age and growth of Pleuragramma antarcticum in the Ross Sea being embedded in clear epoxy ... classes 6–9 years being the most abundant. Table 1: Mean lengths­at­age (standard length in cm ... are presented in La Mesa and Vacchi (2001) and are shown in Table 2. They include Gerasim- chuk (1992 ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... about two-thirds of the sampled fish could not be sexed. Precision estimates and age bias plots ... indicated that there was good within-reader and between-reader agreement, so the otolith sections appear ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn

9. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

   showed a marked diurnal change in each month except May, being deepest during the day and shallowest ... depth in SO showed a marked diurnal change in each month, being deepest during the day and shallowest ... that of the other two areas, being deepest during morning twilight and shallowest at dusk from June to September ... ) in August (Figure 4). Trawling depth in February was con- siderably deeper than in January and March in SO ... (Euphausia superba) associated with the daylight phase over the diurnal cycle (i.e. brightness categories ... change during summer and winter in SS and SO. Daily average trawling depth tended to be shallower during ... day in summer in SS and SO. It is suggested that the seasonal and diurnal changes in vertical ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu

10. Management and assessment options for the crab fishery around South Georgia

    . Such an approach includes the use of catch/effort controls in addition to the 'size-sex-season' controls ... on the availability of basic information about the stock that is being harvested. One of the main features ... to process will moult less frequently than equivalent-sized L. aequispina, being nearer to their asymptotic ... of the Convention are being met. There are of course various methods for stock assessment, some of which are more ... refuges being appropriate for more wide-ranging stocks and smaller ones for essentially sedentary ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth