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1. Spawning locations of mackerel icefish at South Georgia

   INTRODUCTION Over the past 30 years there has been a fishery, large in some seasons, for mackerel icefish ... was caught on 16 March, five more on the following day, two on 20 March and 14 on 30 March. 011 5 April ... (1981), who had obtained samples 011 the shelf and in some of the fjords where he found dense pre ... in February of the same year. Further evidence that spawning occurs in the inshore waters has come from ... . There are also indications of a possible second spawning season in January, although the evidence is ... weak. Concentrations of larval icefish within Cumberland Bay are an order of magnitude higher than in ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

2. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   a P/B ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... ). Production was estimated and resulted a P/B ratio of 0.88 to 0.94 for different years. The exchange rate ... for 1 to 2 year old krill and M = 0.6 for 2 to 3 year old animals. The problem arises that Brinton and Townsend ... (1984) based their calculations on a three year life span of krill. Their age group 1 (20 to 43 mm ... ), for example, supported data on length frequencies from whale stomachs and found high abundances of 20 to 30 ... 3: Absolute krill abundance in the Antarctic Peninsula survey area for different years. 30 • PN87/88 29 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

3. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   ; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 years; H = mature ... are assigned a longev- ity class of Low, 10–30 years as Medium, and more than 30 years as High. 111 ... >30 years or evidence for sporadic recruitment events) Fragility: (L = Flexible, strong; M = somewhat ... species grow slowly and live longer than the 30 years estimated for more shal- low species (McFadden ... Paper Title:  Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Author(s): Parker, S.J. and D.A. Bowden

4. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   of mmolC m–2 or mgC m–2 per unit time (day or year). In this review, the term ‘model’ is reserved ... (euphotic zone depth). Dirr can be accurately calculated based on location and day of year, Copt can ... , the marginal ice zone and open-ocean fronts. Their one-year time series of productivity confirmed that while ... number they calculated (based only on one year of data, 1997/98) was in their combined Weddell– Ross Sea ... described, from the Coastal Zone Colour Scanner (CZCS) in the late 1970s through to the Ocean Colour and ... regard to their use in the Southern Ocean. A brief history of algorithms linking ocean colour to primary ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

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

   ) in Subarea 48.3, which includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together ... for conducting a krill fishery in the area during the entire year. The reliability of these forecasts could ... with GOES-E, Meteosat and in situ monitoring, together with further analysis of SST maps, provides ... the entire year. The reliability of these forecasts could be appraised by comparing them with krill catches ... includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together with further analysis ... a krill fi shery in the area during the entire year. The reliability of these forecasts could ... at the beginning of the summer fi shing season could be used for predicting krill catches for the entire year ... by comparing forecasts with actual krill catches for a number of years. The aim of this study is to compare ...

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

6. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

   , followed by chloroform:iso- amyl alcohol, and precipitated with 70% ethanol at –20°C (adapted from Taggart ... at –20°C. Two classes of markers, mtDNA and nuclear introns, were entre estas tres áreas marinas. La ... enzymes. Restriction enzyme digestions were performed in 20 μl volumes for a minimum of 4 h, following ... , the homologous region in D. eleginoides contained 12 segregrating sites and 25 haplotypes, with a ~30x greater ... Paper Title:  Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed ... digests of nine sub-regions of the mitochondrial genome. Polymorphisms were found in four of seven introns ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Author(s): Smith, P.J. and P.M. Gaffney

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

   in numerous areas. Acoustic surveys have been conducted regularly in some areas for nearly 20 years ... of krill abundance has been subject to considerable research over the last 20 years (Greene et al., 1998 ... tonnes per year (a factor of 20) to 100-500 million tonnes per year (a factor of 5). An earlier ... BOSPOCLUHM npoMbIcnoM KpHJlR HaAO 6 y ~ e ~ YYHTbIBaTb Ce30HHbIe M JIOKaJIbHbIe IIOCJIeACTBIUI ... tonnes- at the low end of values that have been suggested in the past. The differences between our ... . Additionally, the current precautionary catch limits in the South Atlantic are set using a superseded acoustic ... survey of the South Atlantic in January 2000 may result in an effective biomass which is greater than the ... value used in the past. The seasonal and local consequences of large catch limits will have to be taken ...

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

8. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

   the total by-catch in a year to the estimates of long-term annual yield, (ii) allowing catches of by-catch ... the total by-catch in a year to the estimates of long-term annual yield, (ii) allowing catches of by-catch ... at the end of 20 years of exploitation should be 75% of the pre-exploitation spawning biomass ... over a 20-year period. The lowest y satisfying these rules was determined for the three projections ... could be a combination of (i) limiting the total by-catch in a year to the estimates of long-term ... C. rhinoceratus 5.142 E-10 3.398 2 561 0.95 B. irrasa %N %kg 1 5 4 4 16 30 2 7 35 1 3 Skates ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Author(s): Constable, A.J., R. Williams and W.K. de la Mare

9. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

   deposition typically takes more than a year (Everson et al., 1996), with the final maturation process ... leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July ... and 1997 calendar years were prepared by the CCAMLR Data Manager and provided for the purpose ... , 1993) was used to estimate L,,, together with fiducial limits (= confidence limits) for standard ... (Dissostichus eleginoides) caught in the commercial fishery within Subarea 48.3. The results for 1996 indicate ... that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... allowing for this bias indicates that L m50 for female fish in 1997 was no different to that for 1996. The ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Author(s): Everson, I. and A.W. Murray

10. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

    already contributed to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 ... research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... , 1986. File:  20-USA.pdf ... to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 and 1980 the populations of blue, fin, sei ... to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 and 1980 the populations of blue, fin ... of a dedicated research vessel capable of operating in Antarctic waters for a period of 180 days each year ... - vigueur les articles de la CCAMLR pour les Etats-Unis. Le Congres a estime que des programmes de ... . le Programme AMLR qui met l' accent sur la recherche dirigee entreprise dans le but precis de ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Author(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

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