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1. A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths

   were interpreted 60% of scale readings and 30% separate and simultaneous interpretations. Estimates of ... derived from scales are approximately 30% greater than predictions utilising age data derived from ...

   Meeting Document : WG-FSA-89/13 : Автор(ы): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)

2. A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean

   three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ... 4-7 years of age. The potential absolute and relative fertility of this species is one of the ...

   Meeting Document : WG-FSA-92/11 Rev. 1 : Автор(ы): V.V. Gerasimchuk (Ukraine)

3. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

   1971-1973 was 7.41 (SE = 0.26) years and in 1988 it was 6.93 (SE = 0.20) years. After correction for ... age-dependent arrival time at the pupping beach in 1988, the mean age was 6.22 (SE = 0.14 years ... -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ...

   Meeting Document : WG-CEMP-91/21 : Автор(ы): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

4. A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica

   estimated age of 9.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L ... ., 42.8 cm TL; K, 0.408 y-1; t0,-0.1 years. Violet cod are relatively long-lived, with a maximum estimated ... age of 41.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 78.4 ... cm TL; K, 0.053 y-1; t0, 0.1 years. Author(s):  P.L. Horn and C.P. Sutton (New Zealand) Title:  A ...

   Meeting Document : WG-FSA-10/19 : Автор(ы): P.L. Horn and C.P. Sutton (New Zealand)

5. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... assessments, but the frequencies operated varied between vessels and years. In addition, the survey coverage ... has varied between years in particular due to ice. In order to allow for comparison of distribution ... and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ...

   Meeting Document : WG-EMM-15/54 : Автор(ы): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

6. Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula

   increasing in recent years, including observations of predation on a number of whale and pinniped species ... . Here we integrate satellite telemetry (n = 10 tags) and photo-identifications (13 years, 15,828 ... to 3048 km from tagging site). Photographic re-sightings of the same whales were common across years ... (up to 13 years), and a Bayesian mark-recapture analysis estimated that the average annual abundance ...

   Meeting Document : WG-EMM-17/49 : Автор(ы): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

7. Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   the representativeness of the study area (60°- 62°30'S and 53°- 57°30 'W) for the ... confirmed by the present analysis. Results are compared for one (R1) and two year old (R2) age classes ...

   Meeting Document : WG-EMM-96/45 : Автор(ы): de la Mare, W., Loeb, V., Siegel, V.

8. Exploring variability in the locations used by the krill fishery in Area 48 in relation to intra- and inter-annual variability in seasonal sea ice

   their behaviour, targeting fixed geographic locations in most years. In contrast, in Subarea 48.1 ... , fishing locations show considerable variability between years. In Subarea 48.2 ice cover tends to increase ... location in Subarea 48.1 has shifted in recent years with most catch being taken south of the South ... Shetland Islands since 2008/09 in contrast to earlier years when the mean catch location was always to the ...

   Meeting Document : WG-EMM-14/11 : Автор(ы): J. Silk, S.L. Hill and P.N. Trathan (United Kingdom)

9. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   results finding no significant differences between the years. Von Bertalanffy parameters for the pooled ... –at–maturity (10.6 years, 13.6 years) are presented for males and females respectively, using a ...

   Meeting Document : WG-FSA-05/20 : Автор(ы): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)

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

    ; 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 were also derived for the sexes ... distribution exhibited a mode from age 6 to 9 years. Author(s):  C.P. Sutton and P.L. Horn (New Zealand) Title ...

    Meeting Document : WG-FSA-10/20 : Автор(ы): C.P. Sutton and P.L. Horn (New Zealand)

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