Search results
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Preliminary results from CEMP monitoring of Antarctic fur seals, chinstrap penguins and macaroni penguins at Bouvetøya 1996/97
was established at the CEMP site, Nyrøysa, on the western coast of the island. Species included in the ... sharply since the last count in 1989/90. The population of Macaroni Penguins has shown a more moderate ... from the first season of CEMP monitoring (parameters A3, A4, A5, A6, A8, A9, C1 and C2) are reported ... population changes of penguins and fur seals). The population of Chinstrap Penguins at Nyrøysa has declined ...
Meeting Document : WG-EMM-97/20 : Author(s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K., Huyser, O.
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Chemical marking protocols for Antarctic starry skate age validation
(Amblyraja georgiana). This study is a fast, simple ‘add-on’ that will complement the aims of the skate ... skates brought into the boat for tagging during the 2019-20 skate tagging programme in the Ross Sea ... . Injections will be made intra-muscularly in the wings and/or the lateral tail base using a 1 ml auto-injector ... a selection of caudal thorns removed and frozen, and returned to Wellington for lab analysis. The ...
Meeting Document : WG-SAM-2019/10 : Author(s): M. Francis and S. Parker
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Target strength of Antarctic krill
Abstract: In-situ measurements of individual krill target strength are presented (modal value ... reproductively mature and averaged 47.44mm in length. Results agree well with recent predictions of acoustic ... target strength based on extrapolations of other field experiments using the bent cylinder model of sound ... scattering by elongated zooplankters. The modal value of the measurements is 6.7dB lower than that predicted ...
Meeting Document : WG-KRILL-91/13 : Author(s): R.P. Hewitt and D.A. Demer (USA)
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Manual for age determination of Antarctic toothfish, Dissostichus mawsoni V2
for CCAMLR in 2010. The manual has been updated to include the development and use of a reference set ... reader drift. In addition, standardized analysis and data reporting are recommended to allow the ... evaluation of D. mawsoni aging data for use in stock assessment. Author(s): C.P. Sutton, P.L. Horn and S.J ... . Parker (New Zealand) (The R Library file is available from the Secretariat on request) Title: Manual for ...
Meeting Document : WG-FSA-12/43 Rev. 1 : Author(s): C.P. Sutton, P.L. Horn and S.J. Parker (New Zealand) (The R Library file is available from the Secretariat on request)
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A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
. Commercial catch are integrated in the model by CCAMLR season. A weighted combination of datasets was ... Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... -length data... CASAL is a simple, single-sex, single-area population model. The spatial complexity in the ... of fishing vessels (trawlers, longliners). The fishing zone for the longliners is divided into four ...
Meeting Document : WG-FSA-12/09 : Author(s): A. Rélot-Stirnemann (France)
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CEMP indices 2004: analysis of anomalies and trends
species and the environment collected by standard methods within the three Integrated Study Regions of the ... Convention Area. Each year the Secretariat updates the standardised index values and provides a summary of ... trends and anomalies in these data. In addition, developments during the intersessional period are ... Abstract: The CCAMLR Ecosystem Monitoring Program uses indices derived from data on indicator ...
Meeting Document : WG-EMM-04/14 : Author(s): Secretariat
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Estimating abundance of Antarctic fur seals at South Georgia
Abstract: This paper presents a description of the statistical approach developed to estimate ... abundance of Antarctic fur seals at South Georgia. The estimate is based on photographic counts of all the ... breeding beaches in the fur seal’s distribution range. The images were obtained during comprehensive ... helicopter surveys conducted during 2006 and 2008. The proposed Bayesian analysis scales up in situ counts to ...
Meeting Document : WG-EMM-14/09 : Author(s): J. Forcada, I.J. Staniland, A.R. Martin, A.G. Wood and P.N. Trathan (United Kingdom)
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Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002
Abstract: Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee ... of the assessment subgroup when new quantitative methodologies are introduced and incorporated into ... assessments undertaken during the time of a single meeting of WG-FSA. Issues related to the current procedures ... activities of the assessment subgroup should be prioritised before the meeting to increase the efficiency and ...
Meeting Document : WG-FSA-02/80 : Author(s): A.J. Constable (Subgroup Coordinator)
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Guidelines for fisheries-directed research addressing the Ross Sea region Marine Protected Area Research and Monitoring Plan
Abstract: Implementation of the Ross Sea region Marine Protected Area (CM 91-05) and the ... Members. Some of the research required will necessarily be implemented through CCAMLR approved fisheries ... in the Ross Sea region, research proposals will require robust experimental designs and ... and sequence necessary research will be required so that reviews of progress in research and ...
Meeting Document : WG-SAM-18/21 : Author(s): S. Parker and A. Dunn
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Southern Ocean fishing vessel management
Members to contribute to expanded cooperation between the IMO and the Antarctic Treaty System in areas of ... plastics. Assisting in the collection and analysis of data to inform management and mitigation of vessel ... Information Forum and agree to collaborate meaningfully in the exchange of best practice. Author(s ... Abstract: This paper provides an update on the development of safety measures for non-SOLAS ...
Meeting Document : CCAMLR-38/BG/47 : Author(s): Submitted by ASOC