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1. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   teeth in the lower jaw allowed the two species to be distinguished both in the laboratory and by ... scientific observers at sea. The species were sympatric by depth (900–1 900 m) and by spatial area within ... -induced trophic cascades (Pinkerton et al., 2010). Grenadier caught as by-catch and found in stom- achs ... ) found evidence of feeding by Macrourus spp. on a wide range of pelagic and benthic invertebrates, and ... (CCAMLR Subareas 88.1 and 88.2) began in 1997 and is managed by CCAMLR with a spe- cific requirement to ... , Family Macrouridae) are the main by-catch in the toothfish fishery in the Ross Sea region, with a catch ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

2. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

   method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... of penguins unencumbered by transmitters within the brood period. This study was conducted from ... may be no difference between trip durations obtained by applying the transmitters to one or both ... accepted as a standard method with which to monitor foraging trip duration in penguins by the CCAMLR ... in foraging patterns of penguins unencumbered by transmitters within the brood period. This study ... cm2 front section area), there may be no difference between trip durations obtained by applying the ... in penguins by the CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Autor(es): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

3. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural  ortality of C. gunnari may, in some years, increase by a ... South Georgia is complicated by the likelihood of substantial periodic variations in natural mortality ... rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in years ... of poor krill availability. Thus natural mortality of C. gunnari may, in some years, increase by a ... fishing pressure. Rather, they may have been associated with increased predation by fur seals in years ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

4. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   . Samples were collected during research surveys by benthic trawl carried out off Joinville–D’Urville ... selected for the study, consisting of 120 females and 98 males. The age of fish was estimated by counting ... annuli on transverse sections obtained by grinding and polishing whole otoliths embedded in epoxy resin ... research surveys by benthic trawl carried out off Joinville–D’Urville Islands (Antarctic Peninsula) in ... 120 females and 98 males. The age of fish was estimated by counting annuli on transverse sections ... obtained by grinding and polishing whole otoliths embedded in epoxy resin in moulds. The precision of age ... Ocean were exploited commercially by trawling at irregular intervals from 1978/79 to 1988/89, before ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

5. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   model in predicting class/bin by year frequencies is used to obtain a single, across-years, over ... -dispersion parameter. The ESS is then rescaled by dividing by the over-dispersion parameter, and the model ... rectified by changing the underlying age-structured assessment model. File:  07candy.pdf ... of fit of the age- structured model in predicting class/bin by year frequencies is used to obtain a ... single, across-years, over-dispersion parameter. The ESS is then rescaled by dividing by the over ... present and is useful when its source is not clear or cannot be rectified by changing the underlying age ... assessment software (Bull et al., 2005) currently used by CCAMLR allows a multinomial likelihood to be used ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Autor(es): Candy, S.G

6. 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)

   /88 collected by Soviet scientists. VPA tuning has been made by the Laurec-Shepherd method (1985 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Autor(es): Frolkina, Zh.A. and P. Gasyukov

7. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length ... mortality rate was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File:  09-Shilbanov.pdf ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ... area from 1978 to 1986. The natural mortality rate was assessed by six different methods and was ... composition of P.g. shagensis populations obtained by the Soviet research and exploratory ships over the ... age of P.g. shagensis for harvesting. The calculation of natural mortality rates was carried out by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Autor(es): Shlibanov, V.I.

8. Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay

   research activities be co-ordinated by participating CCAMLR Members. The overall program should be co ... -ordinated and supervised by the CCAMLR Scientific Committee. File:  19-USSR.pdf ... sampling techniques should be standardized and that all research activities be co-ordinated by ... participating CCAMLR Members. The overall program should be co-ordinated and supervised by the CCAMLR ... species, but also feeds on fish larvae. Data on prey species should be collected by a standard type of ... by CCAMLR (SC-CAMLR-IV paragraph 5.9). - 360 - 2.3 Observations on Predator Species ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Autor(es): USSR

9. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   superba), followed by the amphipod hyperiid Themisto gaudichaudii, was the main food item around South ... surveys by the Dr Eduardo L. Holinberg from 1994 to 1997, high proportions of fish had empty stomachs, a ... phenomenon which could be caused by several concurrent factors. The variation of the diet according to the ... occurrence (F%) and dietary coefficient (Q%) methods. Krill (Euphausia superba), followed by the amphipod ... consistent pattern from year to year. Likewise, in the four surveys by the Dr Eduardo L. Holinberg from 1994 ... to 1997, high proportions of fish had empty stomachs, a phenomenon which could be caused by several ... surveys were organised and sponsored by the 'Instituto Antartico Argentino' in conjunction with the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Autor(es): Barrera-Oro, E., R. Casaux and E. Marschoff

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

    biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ... Abstract Accurate estimation of krill biomass by acoustic techniques is dependent on a number of factors ... settings, then integrated 120 kHz echo signals would be under-reported by 2.8 dB, leading in turn to an ... under-estimation of krill biomass by 52.5%. Every effort should therefore be made to ensure that ... gain applied by system electronics in some echosounders (Simmonds, 1990), the possible effects of ...

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

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