Résultats de la recherche

1. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ... . The current method of assessment, based on tag returns, consequently, is considered to provide an ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... Consent:  No Delegation responsibility for releasing documents:  United Kingdom ...

   Meeting Document : WG-FSA-2019/27 : Auteur(s): T. Earl and A. Riley

2. Fulfilling CCAMLR’s commitment to create a representative system of Marine Protected Areas

   adopting a Southern Ocean representative system of MPAs by 2020. ASOC recommends that this year CCAMLR ... Abstract:  The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) first ... . Continues to develop and implement research and monitoring Plans for current MPAs. Author(s):  Submitted by ... Approved Document Release Consent:  Yes Delegation responsibility for releasing documents:  ASOC ...

   Meeting Document : CCAMLR-XXXVII/BG/36 : Auteur(s): Submitted by ASOC

3. Feedback management through effort regulation

   the predators that depend on it. Progressing the development of an operational FBM system in ... Abstract:  The interim distribution of the trigger level in the fishery for Antarctic krill (CM 51 ... from existing proposals presented at the two preceding WG-EMM meetings, and discussions during the ... with the fishing industry. Presenting the industry with clearly defined data requirements for the ...

   Meeting Document : SC-CAMLR-XXXV/BG/29 Rev. 1 : Auteur(s): Delegation of Norway

4. Infectious diseases of Antarctic penguins: current status and future threats

   , potentially due to an infectious agent, is affecting Adélie penguins (Pygoscelis adeliae) on Ross Island. This ... on these birds.  Long-term disease studies would therefore be useful as an adjunct to aid in ... occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ...

   Meeting Document : WG-EMM-14/53 : Auteur(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

5. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part B: Description of available spatial data

   ) the scientific background and justification for the development of a marine protected area (MPA) in ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ... necessary foundation for developing a WSMPA proposal (SC-CAMLR-XXXIV, § 5.11). Here, the authors present to ... 1) and ecological data sets (chapter 2) acquired for the WSMPA planning. Part B has been further ...

   Meeting Document : WG-EMM-16/02 : Auteur(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7–9 April 2014, Bremerhaven)

6. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   Island in 2001. Mean diet composition varied from year to year and between the two locations in 2001 ... Abstract:  Diet sampling of Adélie penguins (Pygoscelis adeliae) was carried out at two colonies ... , in the Ross Sea, Antarctica, to study the feeding ecology of this species for the Commission for the ... . Meal size for chicks was found to be higher during the crèche than the guard period and males were ...

   Meeting Document : WG-EMM-04/38 : Auteur(s): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

7. Sampling toothfish from longlines with unequal probabilities

   observers are recommended to sample a quota of the first 30 fish that are caught during a sampling session ... unequal probabilities which, if unaccounted for, can lead to serious biases in estimates of population ... does not particularly matter if an observer starts sampling before or after the correct basket arrives ... . Since toothfish are often aggregated on a line, this means that fish within aggregations are sampled ...

   Meeting Document : WG-FSA-03/85 : Auteur(s): J.R. Ashford (USA)

8. Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring

   association will have an effect on large-scale distribution patterns of AC0 krill and on predictions of the ... that were <1 year old (age class 0; AC0), and that it was comprised of multiple cohorts. Size per ... size distribution of krill differed between the two depth strata sampled. Larval stages with a ... relatively small size (mean 7-8 mm) dominated the upper two meter layer of the water column, while larger ...

   Meeting Document : WG-EMM-16/P16 : Auteur(s): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker

9. Whale depredation data collection guidelines

   depredation and for solutions to be developed, both locally and globally. Using the COLTO workshop as an ... across fisheries confronted with interactions with odontocetes is important for a better understanding of ... document aims to provide basic guidelines for observer programmes that are relatively new to dealing with ... Delegation responsibility for releasing documents:  France ...

   Meeting Document : WG-FSA-16/09 : Auteur(s): N. Gasco, P. Tixier, M. Söffker and C. Guinet

10. Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)

    the fishery is modeled using different functions for fishery selectivity depending on the fishing zone ... and the type of fishing vessels (trawlers, long-liners). The fishing zone for the long-liners is ... divided in four areas (North, East, South, Skiff Bank) and in two depth categories: less than and more ... datasets was integrated using the effective samples’ size calculated at the level of each haul. An ...

    Meeting Document : WG-FSA-11/28 : Auteur(s): A. Relot-Stirnemann (France)

Pages