Search results

1. A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL

   production are still very uncertain. Recently, circumpolar krill databases, combined with growth models and ... abundance of 8x1014 postlarvae with biomass of 379 million tonnes (Mt). These values are based on a ... of relative krill density around Antarctica with the most recent, acoustics-derived, value for the ... the total stock, with total biomass of ~133 Mt in January-February 2000. Gross postlarval production ...

   Meeting Document : WG-EMM-08/17 : Author(s): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)

2. Selectivity of standard polish commercial trawl codends on Antarctic fishing grounds

   Abstract:  steelon codends used in commercial fishery, with a nominal mesh size A = 80 mm and A ... = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major fish species. 1 ... result of the application of webbing with permanently open meshes for codend construction. 4. The most ... difficult matter will be preparing a codend with proper selectivity properties for South Georgia icefish ...

   Meeting Document : SC-CAMLR-VII/BG/11 : Author(s): J. Zaucha (Poland)

3. Revised research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision of WG-SAM-12/13)

   are proposed, a depletion experiment together with the tag of some specimens using the DeLury model ... achieving the objectives three study areas with high historical effort have been selected in different SSRUs ... with four different scenarios related to the extent of the area. The regression coefficients between ... achieving the objectives with this research plan is high.                Author(s):  R. Sarralde, L.J López ...

   Meeting Document : WG-FSA-12/69 : Author(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)

4. Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011

   between the 27th January and 6th February 2011. 87 random hauls were completed, with good coverage across ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ... Patagonian toothfish were greater than in 2009 and 2010, with a large haul of 40-45cm fish (1.6t) around Shag ...

   Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)

5. Testing early life connectivity using otolith chemistry and particle-tracking simulations

   ), a species with a long pelagic larval phase, along the Antarctic Circumpolar Current (ACC) and ... compared the chemistry with simulated particle transport using a circulation model. Material laid down in ... Georgia consistent with a population boundary, and evidence of finer-scale heterogeneity between sampling ... eastern and northern shelves, indicating a single, self-recruiting population. Consistent with the otolith ...

   Meeting Document : WG-FSA-10/P02 : Author(s): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson

6. Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region

   characterized by a circumpolar distribution and its appearance is clearly associated with the occurrence of the ... analyses, coupled with environmental data, obtained both during sampling and from satellite data, allowed ... to prove that the distribution of salps was significantly correlated with water temperature and ... suggest that with climatic changes, such as temperature increase and reduction of sea-ice cover, the ...

   Meeting Document : WG-EMM-16/75 : Author(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann

7. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.4

   . eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2017/18 season and ... the data weighting method revised to be consistent with those applied in other CCAMLR assessment model ... tonnes in 2019/20 and 2020/21 is consistent with the application of the CCAMLR harvest control rule ...

   Meeting Document : WG-FSA-2019/29 : Author(s): T. Earl and E. MacLeod

8. Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models

   900m at the gyral eastern end compare favourably with float data. On-shelf model depth-averaged west ... –east flow is relatively consistent with that reconstructed from longline fishing records. These flows ... have components associated with isopycnal gradients in both light and dense waters. The climate models ... reproduce characteristic isopycnal layer inflections (‘V’s) associated with the observed Antarctic Slope ...

   Meeting Document : WG-EMM-10/P13 : Author(s): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)

9. PROPOSAL TO STRENGTHEN CCAMLR’S PORT INSPECTION SCHEME TO PREVENT, DETER AND ELIMINATE ILLEGAL, UNREPORTED AND UNREGULATED FISHING

   improve compliance with that measure. Since the Commission’s 2009 annual meeting, the FAO Conference ... its scope and the implementation of minimum standards consistent with the FAO Agreement. Moving ... towards a harmonized set of minimum standards should ultimately facilitate Members’ compliance with ... 2008 and 2009 to CM 10-03. We look forward to further discussing this proposal with Members of the ...

   Meeting Document : CCAMLR-XXIX/35 : Author(s): Delegations of the USA and the European Union

10. Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean

    . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ... carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... opisthopterus). Minor prey found in stomachs included isopods, mysids, salps and polychaetes, with rocks and ... ) were generally consistent with stomach contents. Carbon isotope results (δ13C =-24.7±0.8‰) were ...

    Meeting Document : WG-EMM-12/P03 : Author(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

Pages