Search results
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
area directly. A paradigm guiding recent research in the Western Antarctic Peninsula (WAP) region of ... the SS, the “sea-ice hypothesis”, suggests that declines in the seasonal extent and duration of sea ... , 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ... increases and decreases in penguin abundance as a result of changes in abundance of Antarctic krill ...
Meeting Document : WG-EMM-09/17 : Author(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)
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AERIAL SURVEYS OF WEDDELL SEALS DURING 2007-08, WITH NOTES ON THE HISTORY OF AERIAL CENSUSES IN THE ROSS SEA AND RECOMMENDATIONS FOR CONTINUED COUNT EFFORT
Abstract: Weddell seals (Leptonychotes weddellii) have proved to be an important predator of ... , in November 2007, and summarize historical results of aerial surveys made along the coast of Victoria ... successfully be used to document changes in distribution and abundance of Weddell seals. Ground counts of ... Erebus Bay colonies made annually, 1974-2007, demonstrate the sensitivity of count data to environmental ...
Meeting Document : WG-EMM-08/23 : Author(s): D. Siniff and D. Ainley (USA)
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A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters
Abstract: In the present study a comparative morphometric analysis of sagittal otoliths was ... binarized images of left and right otoliths for fish ranging from 20 to 67 cm TL. To test for significant ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ... showed a high discriminatory power to distinguish the left and right otoliths, with a total percentage of ...
Meeting Document : WG-FSA-18/47 : Author(s): G. Plaza, C. Rodríguez-Valentino and P.M. Arana
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Proposals for study of spatial-temporal dynamics of krill distribution for management applications
providing sufficient information with the aim of quantitative understanding regularities and trends of krill ... are shown. Practical implementation of these proposals will contribute to attaining CCAMLR goals in ... krill stocks management. Author(s): Delegation of Russia Title: Proposals for study of spatial ... -temporal dynamics of krill distribution for management applications Approval: Approved ...
Meeting Document : SC-CAMLR-XXX/BG/09 : Author(s): Delegation of Russia
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Developing conceptual models of elements of the Antarctic marine ecosystem: marine mammals
Abstract: The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... currently considering plausible models of the Southern Ocean ecosystem within the Working Group on Ecosystem ... Monitoring and Management (WG-EMM). This paper describes properties for two groups of marine mammals that may ... be included in future ecosystem models of the Southern Ocean: cetaceans and pack-ice breeding seals ...
Meeting Document : WG-EMM-04/65 : Author(s): N. Gales and C. Southwell (Australia)
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Demography of the Korean blue crab, Portunus trituberculatus fishery exploited in the west coast of Korea and the East China Sea
Abstract: A quantitative analysis was carried out to estimate the maximum sustainable yield of ... blue crab distributed around the waters of Korea and in the East China Sea without using fishing effort ... of this fish stock was estimated to be about 22,400 tonnes per year and Fmsy to be 0.95. Author(s ... ): J.-U. Lee and D.-H. An (Republic of Korea) Title: Demography of the Korean blue crab, Portunus ...
Meeting Document : WS-CRAB-93/20 : Author(s): J.-U. Lee and D.-H. An (Republic of Korea)
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Analytical data on determination of reproductive potential of Antarctic toothfish D. mawsoni in the Pacific (SSRUs 88.1, 88.2, 88.3), Indian Ocean (SSRUs 58.4.1 and 58.4.2) and Atlantic (SSRU 48.6) Antarctic areas
Abstract: Analytical data on determination of reproductive potential of Antarctic toothfish D ... 48.6) Antarctic areas are presented. Morphological indices of females and males, indices of gonads ... discussing. Author(s): S.V. Piyanova and A.F. Petrov (Russia) Title: Analytical data on determination of ... reproductive potential of Antarctic toothfish D. mawsoni in the Pacific (SSRUs 88.1, 88.2, 88.3), Indian Ocean ...
Meeting Document : WG-FSA-13/25 : Author(s): S.V. Piyanova and A.F. Petrov (Russia)
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OPTIMISING THE DESIGN OF LARGE-SCALE GROUND SURVEYS OF ADÉLIE PENGUIN ABUNDANCE USING VIRTUAL SIMULATION IN A GEOGRAPHIC INFORMATION SYSTEM
Abstract: One of the recommendations for future work from the 2008 Predator Survey Workshop was ... use of satellite imagery and the use of GPS receivers to accurately map colony areas from which ... approach is illustrated using a case study of a large-scale ground survey of Adélie penguins. The findings ... aircraft. Author(s): C. Southwell, R. Driessen and S. Candy (Australia) Title: OPTIMISING THE DESIGN OF ...
Meeting Document : WG-EMM-11/42 : Author(s): C. Southwell, R. Driessen and S. Candy (Australia)
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Joint Polish/American hydroacoustic survey of Elephant Island in the vicinity of King George Island, 1988
years survey. The total biomass in the vicinity of Elephant Island was estimated from 120 kHz data to be ... 260 k tons and that in the Bransfield Strait South of King George Island was 39 k tons for a total of ... 7,787 nm2) in the Bransfield Strait and the area North of King George Island and 309k tons (in 8,836 nm2 ... ) in the expanded area around Elephant Island. Author(s): United States of America Title: Joint ...
Meeting Document : SC-CAMLR-VII/BG/21 : Author(s): United States of America
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A proposed process for the management of model updates and software versions for stock assessment used within CCAMLR with the example of the CASAL software
Abstract: We propose a process by which to select the version of software generally used for ... stock assessments in CCAMLR, with the specific example of the CASAL software used for stock assessment ... . The latest published version of any stock assessment software approved by CCAMLR should be used by ... default, unless the latest development version is necessary, in which case it is the responsibility of the ...
Meeting Document : WG-SAM-14/32 : Author(s): S. Mormede and A. Dunn (New Zealand)