Search results

1. Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1

   conducting trawl surveys for juvenile toothfish in Subarea 88.1 (Ross Sea). Potential problems including a ... and previous research cruises. The major limitation on a trawl survey in the Ross Sea is ice cover. On ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... % in 2002 to 89% in 2002. Less than 10% of the potential trawl survey area was fishable in all three ...

   Meeting Document : WG-FSA-SAM-04/07 : Author(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.

2. Ukrainian complex marine expeditions in the Southern Ocean

   expeditions last conducted in 2001 were resumed aboard Ukrainian fishing vessel More Sodruzhestva which ... carries out regular fishing activities in the CAMLR Convention Area. The vessel equipped with modern ... measuring systems, and this is one of the most prominent examples of public-private partnership in Antarctic ... research. In particular, during the marine expedition, continuous monitoring of the physical and chemical ...

   Meeting Document : WG-EMM-2019/62 : Author(s): E. Dykyi, V. Komorin and A. Fedchuk

3. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

   Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2019 survey showed a large 2+ and 3+ cohort in the population. Catches of 527 t ... in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ...

   Meeting Document : WG-FSA-2019/02 : Author(s): D. Maschette, G. Nowara and D. Welsford

4. Preliminary results of the Polish commercial krill fishery in the Antarctic during 1990/91 season

   Abstract:  Four Polish commercial trawlers participated in the krill fishery in 1990/91 season on ... the fishing grounds in statistical Sub-areas 48.2 and 48.3. In total 9 333.7 tonnes of krill were ... harvested. As the fishery data were not fully analysed yet no clear trends in catch-per-unit-effort for ... (Poland) Title:  Preliminary results of the Polish commercial krill fishery in the Antarctic during 1990 ...

   Meeting Document : WG-KRILL-91/36 : Author(s): I. Wójcik and R. Zaporowski (Poland)

5. Investigations on tagging data in the Kerguelen Islands Patagonian toothfish fishery (division 58.5.1)

   Abstract:  In 2014, FSA-14-36r1 presented a new assessment of Patagonian toothfish in the French ... EEZ. A singularity in the tagging fits was observed by the working group. A lower number of recaptures ... in the first year compare to the second year was noted (figure1). This paper is an overview of ... tagging data in Kerguelen area and the impacts on the Casal assessment. Author(s):  R. Sinegre and G ...

   Meeting Document : WG-SAM-15/43 : Author(s): R. Sinegre and G. Duhamel (France)

6. Monitoring and management in the Antarctic – making the link between science and policy

   Abstract:  Management of human impacts in the Antarctic requires an effective system of monitoring ... . Human impacts arise as a result of processes that originate in the region (endogenous) and those that ... originate outside the region (exogenous). A number of monitoring programmes have been established in both ... minimise human impacts, is a complex process. Although potential analogues for target setting exist in ...

   Meeting Document : WG-EMM-07/P9 : Author(s): K. Reid (United Kingdom)

7. Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill

   Abstract:  Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using a ...

   Meeting Document : WG-EMM-00/49 : Author(s): D.A. Demer (USA)

8. TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   toothfish in the Ross Sea. One of them, the CASAL model, (Dunn & Hanchet, 2007; Bull et al., 2007) is ... ) data. Besides that, some sorts of data, e.g. tagging data, are used in these models in quite different ... information was also quite different: while in TISVPA all sources of data gave rather coherent signals about ... the stock (Vaslilyev et al., 2007), in CASAL the solution was mostly supported by signals from tagging ...

   Meeting Document : WG-SAM-08/08 : Author(s): D. Vasilyev and K. Shust (Russia)

9. Interannual variability of polynya extent in the Antarctic Ocean

   ), coastal polynya and open ocean polynya, in the Southern Ocean. Polynya accelerates oceanic and atmospheric ... polynyas influence biological activity in the winter and spring season. However, there are no minute ... and converted into the yearly mean. The time series of the yearly mean in the whole Antarctic Ocean ... are trending like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the ...

   Meeting Document : WG-EMM-01/34 : Author(s): M. Naganobu and K. Segawa (Japan)

10. Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity

    1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... illegal fishing in this area. An exponential increase in the litter accumulation was noted in annual ... while fishing equipment also doubled during this period. An increase in the number and proportion of ... in light of reports of illegal fishing vessels using Port Louis, Mauritius, to land catches and ...

    Meeting Document : CCAMLR-XVII/BG/25 : Author(s): Delegation of South Africa

Pages