Résultats de la recherche

1. Longline sink rates on a bottom autoline vessel in New Zealand: draft

   Abstract:  Longline sink rates were investigated using Time Depth Recorders on a bottom autoline ... a method of accelerating line sink rate and thus avoiding incidental capture of seabirds. A new ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ... = 11, c.v. 16.7%), compared with the start of the longline which takes a mean time 31.1 seconds (n = 11 ...

   Meeting Document : WG-FSA-98/51 : Auteur(s): N.W. McL. Smith (New Zealand)

2. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   catch was the fourth highest on record with a total of 2666 t against a combined catch limit of 3207 t ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... season, primarily as a result of the ice conditions. The length frequency data from the Ross Sea fishery ... overall length frequency distribution, and no evidence for a reduction in fish length in any SSRU over ...

   Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

3. Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region

   model for Antarctic toothfish over the entire Ross Sea region, for a medium scale spatial resolution ... (189 spatial cells) covering the Ross Sea region. The model was developed as a generalised Bayesian ... population dynamics model implemented using the Spatial Population Model software (SPM), and a single sex age ... also recommend a survey of the assumed spawning grounds during winter, and the controlled collection of ...

   Meeting Document : WG-SAM-13/35 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

4. Key considerations for planning a large-scale krill survey

   ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ... scientific working groups. We identify the key components of a large-scale survey and the key technical and ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... important in the future management of the krill fishery. The design of the CCAMLR 2000 survey might be a ...

   Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

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

   background in support of the development of a marine protected area (MPA) in the Weddell Sea planning area ... separate documents (Part A-C). SC-CAMLR-XXXV/BG/11 (Part A) sets out the general context of the ... the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were already ... necessary foundation for developing a WSMPA proposal (SC-CAMLR-XXXIV, § 5.11), which is being submitted ...

   Meeting Document : SC-CAMLR-XXXV/BG/12 : Auteur(s): Delegation of Germany

6. Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 1 – rationale, method and data for a risk assessment framework for distributing the krill trigger level

   undertaken to further develop a risk assessment approach to spatially subdivide the trigger level through an ... overall risk of localised effects on predators can also be calculated for a known or nominated ... critical times.  This paper provides the first part of a contribution to the required review of CM51-07 in ... 2016 and provides a risk assessment method for distributing the trigger level to reduce the risk of ...

   Meeting Document : WG-FSA-16/47 Rev. 1 : Auteur(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)

7. Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)

   day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... Secretariat catch and effort monitoring procedure) and proposes a revised approach for catch and effort ... will follow a defined and published set of decision rules to calculate closure dates of exploratory ... have notified their intent to fish. After this time the Secretariat will transition to a projection ...

   Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat

8. A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS

   -Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... km2) had a feral population of cats from the 1950s to 1980s, and still supports a large population of ... breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better coverage ...

   Meeting Document : WG-EMM-10/P3 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

9. IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX

   2239 icefish (130-560 mm total length) were examined. A bootstrapping technique was used to calculate ... ) fish tended to prey on a higher proportion of T. gaudichaudii and small euphausids such as Thysanoessa ... sp. and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003 ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...

   Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)

10. Proposal for the establishment of a marine CCAMLR MPA in the Weddell Sea (Antarctica) – First conceptual outline

    , the Commission welcomed the offer of Germany to take the lead in developing a Weddell Sea MPA for ... study aiming at a Weddell Sea MPA, (ii) give a systematic overview of our preliminary data retrieval ... and data sets and (iii) set out the project timeline in detail, i. a. to highlight an international ... expert workshop on the planning of a Weddell Sea MPA in 2014. Author(s):  K. Teschke, B. Dorschel, J ...

    Meeting Document : WG-EMM-13/22 : Auteur(s): K. Teschke, B. Dorschel, J. Gutt, S. Hain, H. Hellmer, K. Jerosch, R. Knust, K.-H. Kock, M. Schlüter, V. Siegel and T. Brey (Germany)

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