Search results
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2017/18
. Overall, the occurrence of beached marine debris was above the long-term mean at both Bird Island ... and Goudier Island but below the mean at Signy Island. The incidence of marine mammal entanglements was below ... the long-term mean at all sites surveyed. Debris associated with seabird colonies was above the mean level ... for black-browed albatrosses, but below the mean for wandering albatrosses, grey-headed albatrosses ...
Meeting Document : SC-CAMLR-XXXVII/BG/21 : Author(s): C. Waluda
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CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS
greatest amount. All of the risks described in this paper probably vary with latitude and longitude, with ... Abstract: This paper discusses some of the implications of climate change and how these concerns ... of work, it will be essential for them to try to determine the relative risks (uncertainty), impacts ... and timescales, of the various processes consequent on climate change. With current levels of ...
Meeting Document : WG-EMM-09/24 : Author(s): P.N. Trathan and D. Agnew (United Kingdom)
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A review and analysis of indices from CEMP data
Abstract: A data checking and validation process was undertaken for the data held in the CCAMLR ... examine the temporal patterns in the available time series as well as inter-site and inter-species ... comparisons. A series of questions designed to improve the understanding of the characteristics of different ... paramters is provided for discussion by the Working Group. Author(s): Secretariat Title: A review and ...
Meeting Document : WG-EMM-12/62 : Author(s): Secretariat
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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)