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1. Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

   seasons but with no consistent overall trend. The analysis also suggested that the exploitable population ... likely that historical changes over years in the depth distribution of effort have led to different ... length-specific selectivity curves applying in different years. Combined length-specific selectivity ... curves were estimated for each of the years 1997-2000. Notable differences were found amongst these, but ...

   Meeting Document : WG-FSA-01/48 : Автор(ы): G.P. Kirkwood and D.J. Agnew (United Kingdom)

2. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022

   consistent with previous years. Different catch limits are requested on alternate year to account for the ... years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... abundance in alternate years in McMurdo Sound and Terra Nova Bay where toothfish may form an important part ... essential input to the stock assessment to estimate year class strength which is used to inform management ...

   Meeting Document : WG-SAM-17/39 : Автор(ы): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn

3. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022

   consistent with previous years. Different catch limits are requested on alternate year to account for the ... years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... abundance in alternate years in McMurdo Sound and Terra Nova Bay where toothfish may form an important part ... essential input to the stock assessment to estimate year class strength which is used to inform management ...

   Meeting Document : WG-FSA-18/41 : Автор(ы): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn

4. The Patagonian toothfish: biology, ecology and fishery

   toothfish are a long-lived species (> 40 years), which initially grow rapidly on the shallow shelf areas ... habitat at around 100 mm (1 yr old), and inhabit relatively shallow water (< 200m) until 6-7 years of ... are primarily piscivorous, consuming the most abundant, suitably sized, local prey. With increasing ... capacity. Toothfish generally swim with labriform motion, but are capable of more rapid sub-carangiform ...

   Meeting Document : WG-FSA-10/P05 : Автор(ы): M.A. Collins, P. Brickle, J. Brown and M. Belchier

5. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose downward ... penguin populations, 2) a leading indicator that predicts recruitment rates of penguin cohorts, 3 ... quantified the survival and recruitment rates needed to maintain resilient penguin populations with a model ... monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ...

   Meeting Document : WG-EMM-16/46 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

6. Dynamic model of krill Euphausia superba swarm

   Abstract:  During the Italian Antarctic Expeditions to the Ross Sea, in the years 1989- 1994 ... insects appear to disperse according to a reaction diffusion model with a constant diffusion coefficient ... . It was found that the vertical density pattern of krills' swarm, with a mean density of up to ... 1000 individuals/m3, is consistent with the insect model predictions. That is why cohesive forms of ...

   Meeting Document : WG-EMM-95/68 : Автор(ы): Kalinowski, J., Azzali, M.

7. Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)

   Continental Shelf, was 9.4 (±18%) g/l000m3 of filtered water with a mean density of 11.0 (±16%) indviduals per ... dominance in the High Antarctic Zone (south of 74°), with a mean relative biomass of 3.0 (±26%) g/l000m3 and ... superba of age 3+ and 4+ were clearly predominant. While the overall length frequency distribution of ... second mode consisting of sub-adults and adults (Age groups 2+ and 3+). Author(s):  M. Azzali, A. Sala ...

   Meeting Document : WG-EMM-00/38 : Автор(ы): M. Azzali, A. Sala and G. Brancato (Italy)

8. Are krill recruitment indices from meso-scale survey representative for larger areas?

   ) and two-year old (R2) krill differ substantially between years. However, results were in conformity ... with the results from other scientific surveys. Recruitment indices showed a significant correlation ... classes of the age-one-group which occur in the samples of some years. Author(s):  V. Siegel (Germany ... single-year outliers from Elephant Island are discussed as well as the problem of ‘undersized’ length ...

   Meeting Document : WG-EMM-02/20 : Автор(ы): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)

9. On the taxonomy of the Lepidonotothen squamifrons group (Pisces, Perciformes, Notothenioidei)

   Abstract:  The Lepidonotothen squamifrons group has been described to be comprised of 3 species: L ... squamifrons (Günther, 1880). L kempi (Norman, 1937) and L macrophthalma (Norman, 1937). All 3 species closely ... macrophthalma, may also be identical with L squamifrons and that the L squamifrons 'group' is ...

   Meeting Document : WG-FSA-93/25 : Автор(ы): R. Schneppenheim and K.-H. Kock (Germany), G. Duhamel (France) and G. Janssen (Germany)

10. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

    summer, with just over a quarter (27.5%) at colonies on Ross and Beaufort Islands (southern Ross Sea meta ... -1.8% for the years, 1981-2000 followed by a positive per capita growth rate of 5.5% for the years ... Cape Royds for the years, 1981 to 2012.  Colony growth rates for the southern Ross Sea meta-population ... years a number of the Adélie penguin colonies have reached their highest levels since New Zealand began ...

    Meeting Document : WG-EMM-13/30 : Автор(ы): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

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