Search results

1. Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia

   natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ... be lower than those estimated in previous stock assessments using both mark-recapture and catch data ... . There was additionally some suggestion of agestructure in the natural mortality-at-age. Author(s):  R.M ...

   Meeting Document : WG-FSA-SAM-06/06 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)

2. Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)

   in the South Shetland Islands area.  High biomass densities of VME indicator taxa, meeting the 10 kg ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...

   Meeting Document : WG-EMM-12/51 : Author(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)

3. Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015

   mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ... -based colonies of penguins and flying seabirds in East Antarctica. Feasibility and potential of ... better understand the ecosystem in the region.  The survey completed 5 acoustic box surveys including a ...

   Meeting Document : WG-EMM-15/22 : Author(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)

4. Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical Subarea 88.1)

   longliner "Tronio" in 2007-2011 were given. Gonadosomatic indices (GSI) of 823 Antarctic toothfish ... individuals from various SSRU in the Ross Sea were calculated. For one specimen with maximum observed weight ... of gonads on various grounds in the Ross Sea during the fishery season confirmed previous conclusions ... cm, and among males- at length of 123-126 cm. In our collections, we noted occurrence of females with ...

   Meeting Document : WG-FSA-11/04 : Author(s): A.K. Zaytsev (Russia)

5. CONTINUING CCAMLR’S FIGHT AGAINST IUU FISHING FOR TOOTHFISH EXECUTIVE SUMMARY OF THE REPORT BY TRAFFIC INTERNATIONAL AND WWF AUSTRALIA

   (IUU) fishing, there remains evidence of IUU activities in the Convention area. This paper is the ... executive summary of a recent, soon to be published report produced by TRAFFIC International in conjunction ... -2007 with a view to provide an indication of the extent of the IUU catch. The report highlights that in ... estimates of IUU catch and to continue to improve the current MCS measures in order to minimise ...

   Meeting Document : CCAMLR-XXVII/BG/38 : Author(s): Submitted by IUCN

6. Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment

   , particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ... -age compared with catch-at-length improved recruitment estimates and resulted in more conservative ...

   Meeting Document : WG-FSA-13/P03 : Author(s): P. Ziegler

7. Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution

   Abstract:  CCAMLR manages the krill fishery in Area 48 using a catch limit (the trigger level ... ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... time catches in Subarea 48.1 have increased beyond the maximum pre-1991 catch for that subarea which ... levels in Subarea 48.1 and environmental stress on the krill stock), the need for precaution is likely to ...

   Meeting Document : WG-EMM-2019/29 : Author(s): S. Hill and A. Atkinson

8. Aligning toothfish fishery status with the CCAMLR regulatory framework

   Abstract:  The nomenclature or status assigned to individual toothfish fisheries in the CAMLR ... fisheries and the regulatory framework has become increasingly disconnected in many fisheries throughout the ... Convention Area, particularly in relation to what is considered closed, exploratory and established fisheries ... status of closed and exploratory as set out in conservation measures, and that of the regulatory ...

   Meeting Document : WG-FSA-2019/66 : Author(s): C.D. Jones

9. Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean

   of mark–recapture models. When multiple sightings during any year are treated as a single sighting ... ; assumption of mark–recapture models. When multiple sightings during any year are treated as a single ...

   Meeting Document : WG-EMM-10/P16 : Author(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr

10. Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)

    . The standing stock for most species has fluctuated, with no signal of substantial year classes or significant ... stock for most species has fluctuated, with no signal of substantial year classes or significant ...

    Meeting Document : WG-FSA-03/38 : Author(s): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)

Pages