Результаты поиска

1. Possibility of predicting sea-ice concentration (SIC) in research block (RB) 48.6-5 (Southern part of Subarea 48.6) using sea surface temperature (SST) in RB 48.6-2 (Northern part of 48.6)

   Abstract:  It  was  reported  at  WG-SAM-2019  that  the  sea  ice  concentration  (SIC) of RB ... 48.6-5 corresponded well with the dynamics of monthly sea surface temperature  (SST)  anomaly  in  RB ... be used to predict the SIC in 48.6- 5.  There  is  not  a  strong  correlation  of  SST  between ... assumed that these are related.  This paper analyses the possibilities to predict the SIC in 48.6-5 for ...

   Meeting Document : WG-FSA-2019/49 : Автор(ы): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert

2. Characterisation of skate catches in the Ross Sea region

   (Dissostichus mawsoni) catch of about 3000 t. Skates form a small proportion of the total catch (typically 2% or ... that about 33 000 starry skates were landed, and 55 000 released in the Ross Sea region by all vessels ... individuals than landed starry skates. Eaton cf. skates had a different length frequency, with a narrower ... with other studies suggesting Eaton cf. skates might grow to larger sizes than starry skates. During ...

   Meeting Document : WG-FSA-10/25 : Автор(ы): S. Mormede and A. Dunn (New Zealand)

3. Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b

   and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... reports on the development of generalised additive mixed models to characterise relationships between ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...

   Meeting Document : WG-FSA-17/16 : Автор(ы): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon

4. Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   between the fish released with tag and that of overall catch was considerably high (θ=95 %). Author(s ... significantly lower than that (168.7 ± 22.2 kg / 1,000 hooks) in the same SSRU in the 2009/10 survey, although ... the CPUE in terms of number was same level between the years. This may be due to the catch of small ... fish in the shallow area < 500 m in the 2010/11. The smaller size of fish tended to be caught in the ...

   Meeting Document : WG-SAM-11/06 : Автор(ы): K.Taki, T. Iwami and M. Kiyota (Japan)

5. The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR

   requires considerable effort and cost with mixed results.  For example it is not always possible to achieve ... coverage of all setting and hauling activities on this vessel. It proved to be reliable, easy to set up by ... divided in settings and hauling operations where at-sea observations were matched with video footage ... by a scientific observer was compared with recorded video footage recorded by 3 different video ...

   Meeting Document : WG-FSA-14/27 : Автор(ы): R.A. Benedet (United Kingdom)

6. Estimating confidence intervals for fish stock abundance estimates from trawl surveys

   . Simulation tests of the method show that unbiassed estimates of the density and biomass can be obtained and ... using the swept area method, using likelihood ratios from Aitchison&#039;s delta distribution ... that the estimated confidence intervals have close to the nominal coverage probability. Performance ... confidence bound appears to be more reliable than the upper. Author(s):  W.K. de la Mare (Australia) Title ...

   Meeting Document : WG-FSA-93/20 : Автор(ы): W.K. de la Mare (Australia)

7. Development of the Southern Ocean Continuous Plankton Recorder survey

   as early as July (midwinter). The large areal and temporal scale means that it is difficult to ... icebreaker Shirase in collaboration with the Japanese Antarctic programme. Shirase has a fixed route and time ... of records. The most successful seasons to date have been the 1997/1998, 1999/2000 and 2000/2001 ... austral summers with 20, 31 and 26 tows, respectively. The 1999/2000 season included a unique, nearly ...

   Meeting Document : WS-BSO-07/P4 : Автор(ы): Hosie, G., M. Fukuchi and S. Kawaguchi

8. How much do icefish (Notothenioidei, Channichthyidae) eat in the southern Scotia Arc and the Antarctic Peninsula region?

   southern Scotia Arc in 1996, 1999, 2001, 2002, 2003, 2007 and 2009, and in 2006 off the north western part ... study range from 0.5 – 2.5% body per day. These values may be exceeded locally and temporarily in summer ... empty their stomachs completely before taking in new food. If we assume that digestion of krill takes ... line with those from previous more limited studies. Author(s):  K.-H. Kock (Germany), C.D. Jones (USA ...

   Meeting Document : WG-FSA-10/18 : Автор(ы): K.-H. Kock (Germany), C.D. Jones (USA), J. Gröger and S. Schöling (Germany)

9. Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries

   . The results indicated that these removals were large, totalling more than 6,600 t of toothfish between ... 2009 and 2016 with an overall annual mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t ... varied between areas, with the largest estimates found at Crozet Islands, where on average 279 t [179-379 ... Abstract:  Fisheries are human activities that alter resource availability for species in marine ...

   Meeting Document : WG-FSA-2019/33 : Автор(ы): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould

10. Assessing the feasibility of regional surveys of land-based predator abundance in the Southern Ocean: a framework for decision making and planning

    abundance of land-based predators. At the 2001 meeting of WG-EMM it was proposed that a workshop be held in ... that it be applied at the workshop to a selected region as a means of both assessing and/or developing ... that new technologies and methodologies need to be considered for use wherever possible. Author(s):  C ... the framework and undertaking preliminary plans for the region. The framework is designed to be ...

    Meeting Document : WG-EMM-02/45 : Автор(ы): C. Southwell (Australia)

Страницы