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1. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   of ice-breeding seals 331 000 (144 000–759 000); 90°W–30°W sector: no estimate for Ross seals, only one ... possible to sample all areas of the Antarctic pack-ice in one year, but the resulting spatial coverage ... . The seals moved north as the pack-ice expanded and one eventually passed by the South Shetland Islands ... , and one ob- server counted seals within strips of 463 m width on each side of the helicopter. Densities ... Paper Title:  A review of data on abundance, trends in abundance, habitat use and diet of ice ... important first steps for improving ecosystem models. This review focuses on seals that breed in ice ... ; leopard seal, Hydrurga leptonyx; and Weddell seal, Leptonychotes weddellii). Data on populations ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

2. The effects of monitoring procedures on Adélie penguins

   . There was a slight reduction in return rates of birds banded for more than one season, but no evidence of band or tag ... of band and tag loss. There was a slight reduction in return rates of birds banded for more than one ... . No reduction in fledging rates of chicks from nests of stomach-lavaged birds was detected over two breeding ... was detected over two breeding seasons. The implications of these findings for the CCAMLR Ecosystem Monitoring ... banded two and three years previously, and also the failure of one implanted tag. The disappearance ... that of birds with bands older than one year. However, the differences in return rates between our four groups ... and/or increased mortality occur after more than one year of band wear remains to be determined from future years ... carrying a band for one or more years, and on one occasion recaptured a bird with a wide open band ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Author(s): Clarke, J. and K. Kerry

3. A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   to an age of 9–10 years (Dunn and Hanchet, 2006). However, Livingston and Grimes (2005) consid- ered ... the northern grounds have been males caught either within season or after one year at liberty, with few fish ... slope areas. Fish mature at a length of 100–120 cm, at an age of 8–12 years, by which time they have ... understand- ing of the depth, location and size and age distri- bution of the D. mawsoni catch (e.g. Hanchet ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... in CCAMLR Subareas 88.1 and 88.2 spawn mainly on the ridges and banks of the Pacific-Antarctic ridge ... and spring. Depending on the exact location of spawning, eggs and larvae become entrained by the Ross ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams

4. Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl

   Nototheniidae, and among them Nototheniops larseni (9.3-20.5 mm). The abundance of postlarval fish was highest ... (9.3-20.5 mm). The abundance of postlarval fish was highest in the shallow (108-166 m), nearshore ... commercially exploited fishing grounds. One or two pairs of fine-meshed samplers, designed to collect larvae ... proche du fond, ou I'on ne procede pas d'ordinaire a des echantillonnages a I'aide de filets a plancton ... prises nulles, ont ete enregistrees sur la partie ouest et sud-ouest du plateau insulaire. L'on discute ... , were attached to the trawl in 49 of the 118 hauls (Figures 1 and 2). Each pair consisted of one ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik

5. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   the South Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989/90 ... declines from split-year 1977/78 to 1989/90. The biomass of several species of finfish has been monitored ... abundance of a species is always increasing when one or two strong year classes are passing through ... , and fishing was still permitted at the time. The 1991 survey was conducted one year after the closure ... survey of Elephant Island one year earlier, Kock's (1998) estimate of biomass around Elephant Island ... squarnifr.ons, Pse~idochaenichthys georgianus, Champsocephalus gunnari, Chaenocephalus aceratus, Chionodraco ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Author(s): Jones, C.D., K.-H. Kock and E. Balguerías

6. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   Paper Title:  Evaluating the impact of multi-year research catch limits on overfished toothfish ... in this study indicate that, where a stock has been depleted to at or below 20% of the median unfished spawning ... Evaluating the impact of multi-year research catch limits on overfished toothfish populations ... that, where a stock has been depleted to at or below 20% of the median unfished spawning stock biomass ... 25% " " 5 730 30% " " 6 677 35% " " 7 As per scenario 3 20% 30 As per Table 1 except age fully ... 1 year Last age class in stock 35 years Oldest age in initial structure 36 years Initial population ... maturity 10–18 years Fishery parameters Age first selected Age fully selected Season Catch during fish ... trial specifications Years to remove initial age structure 1 Years prior to fishing 5 Reference ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C

7. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   predator species. A 'one-way' interaction model is developed, in which krill abundance ... on this approach are deferred pending further development of the 'one-way' analyses. File:  06butterworth ... . A 'one-way' interaction model is developed, in which krill abundance fluctuations impact ... on this approach are deferred pending further development of the 'one-way' analyses. ... maturity plus a gestation period of essentially one year), while for birds it is the age at first laying ... t o b e the biomass of age classes 1 and above (i.e., the '1 + biomass ' ) a t t he 'start' of t h e year (i.e ... ' a n 8 ~ o o r j years, q 0.69 0.67 0.64 0.64 Age-at-First-Reproduction T (yr) 4 4 5 10 The va lues ... year if an upper bound of 1.5 yr-' on the effective annual fishing mortality for fully selected age ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

8. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... for 20 years, firstly with trawlers and more recently with longliners. This is the oldest fishery ... in each sample changes from one year to the other). results Trawling (1979 to 2001) The first model ... different methods (one sweeps the sea floor, the other one attracts fish). Moreover, targeted fishing ... are withdrawn one by one for different GLMs. The QAIC is calculated for each model. The lowest value ... to three depth ranges (500–1 000, 1 000–1 500 and >1 500 m); the second also analyses the aver- age size ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost

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

   into account the spatial–temporal variability of C. gunnari. Young fish of the first age group (<15 cm ... of C. gunnari. Young fish of the first age group (<15 cm in length) were mainly found in the southern part ... are becoming warmer. Subsequently fi sh gradually migrate into deeper waters. At the age of one year, young ... migrate to the Shag Rocks area most probably die after reaching two years of age. The abovementioned ... and one year old. The ecological niche occupied by young fi sh is distinctly different from ... (Efremenko, 1979, 1983; Kock, 1981, 1989; North, 1987). Young fi sh older than one year inhabit pelagic ...

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

10. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

    size of 108 mm would in turn correspond to the age at first capture of 4 years (Le. around 32 cm ... , to protect immature fish, or 90 mm, to protect first spawners, or 100 mm, to give an age at first capture ... CeAeKTHBHOCTb TpaAa ~A~ HeCKOAbKHX BH~OB aHTapKTH4ecKHx PbI6 6bIAa o~eHeHa C Y4eToM ~onOAHHTeAbHbIX ~aHHbIX ... conclusion about selection of this species. One conclusion emerges, however, from information shown ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Author(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

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