Search results

1. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

   . Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... sampling methods; a large demersal fish trawl, a beam trawl, and a towed camera system. Twenty-three sites ...

   Meeting Document : WG-FSA-12/51 : Author(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

2. Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

   investigated. We recommend the following: That the Amundsen Sea region be considered as a single stock, with ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ... SSRU 88.2H is recognised by allocating a greater proportion of the catch limit to SSRUs 88.2C–G and ... -length keys, using approved otolith reading protocols and aging validation. Author(s):  S. Mormede, A ...

   Meeting Document : WG-SAM-14/29 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

3. Draft Research and Monitoring Plan for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)

   Abstract:  This draft Research and Monitoring Plan identifies a number of scientific research and ... Shelf Marine Protected Area designated under CM 91-03. We identify a number of elements for scientific ... consistent with the objectives of the MPA. In 2013, a preliminary draft MPA Report was developed for the ... SOISS MPA (WG-EMM-13/10), which included elements for a Research and Monitoring Plan. The Working Group ...

   Meeting Document : WG-EMM-14/24 : Author(s): Delegation of the European Union

4. Apparent decrease of Weddell seal numbers in the western Ross Sea

   the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ... Antarctic toothfish (Dissostichus mawsoni), a major prey, by a fishery operating full scale by 2003 ... from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ...

   Meeting Document : WG-EMM-14/44 : Author(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

5. Identification of Pleuragramma antarctica larvae in the Ross Sea via mitochondrial DNA

   traits in the Ross Sea. A report submitted to the CCAMLR-EMM working group last year provided abundance ... genomic DNA from a sample of these larvae and, using fish universal primers, amplified part of the 16S ... in a fraction of samples. Sequences were aligned with known GenBank sequences for P. antarctica and ... possibility of another nursery ground for P. antarctica in the vicinity of the Bay of Whales. This is a novel ...

   Meeting Document : WG-FSA-15/61 : Author(s): J.A. Caccavo (Italy), C. Brooks (USA), L. Zane (Italy) and J.R. Ashford (USA)

6. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... a depth of ~20 m during daytime, while 24 % was found above ~20 m during night. A swarm detection ... approach suggested a similar pattern, 7 % of aggregated backscatter was found above ~20 m during daytime ...

   Meeting Document : WG-EMM-2019/32 : Author(s): T. Klevjer, G. Skaret and B.A. Krafft

7. Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island

   effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ... and, to a lesser extent, adult survival. These survival changes were coincident with changes in ... . Author(s):  A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia) Title:  Population and survival ...

   Meeting Document : WG-FSA-04/50 : Author(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)

8. Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise

   Abstract:  A multi-disciplinary research cruise in the Atlantic sector of the Southern Ocean was ... Rocks, South Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A ... ICEFISH cruise trawl deployments was 9105 specimens of 29 species. A wide contrast in finfish and ... South Sandwich Islands and Bouvetoya, where the isolation of the latter island likely played a role in ...

   Meeting Document : WG-FSA-04/61 : Author(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)

9. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

   Abstract:  We present a maximum entropy (MaxEnt) method for inferring stock density and mapping ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... a candidate solution under the constraint of the observed data to progress towards a converged ...

   Meeting Document : WG-EMM-02/35 : Author(s): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

10. ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT

    very good. There is evidence for a size-based influence on post-tagging mortality, post-tagging growth ... recaptures at size improve. However, there is still some evidence for a sex-based influence on the fits ... recovered. A sex-disaggregated model was created, providing substantially similar fits and results to the ... cohort strength should be incorporated in calculations of TACs. A number of different mechanisms for ...

    Meeting Document : WG-SAM-09/13 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)

Pages