Resultados de la búsqueda
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Ecological implications of body composition and thermal capabilities in young Antarctic fur seals (Arctocephalus gazella)
the role of lipid stores in a high-latitude pinniped, the body composition and thermoregulatory ... respirometry and hydrogen isotope dilution. From these data we constructed a model to examine the importance of ... percent lipid as covariates accounted for the different metabolic responses in pups and yearlings for all ... treatments. The estimated lower critical temperature for combined pups and yearlings was 14.4 ºC, 10 to 15 ºC ...
Meeting Document : WG-EMM-04/69 : Autor(es): M.R. Rutishauser, D.P. Costa, M.E. Goebel and T.M. Williams (USA)
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Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ... Island and near Shag Rocks and finding a difference between those two groups and the eastern group ... . Larger number of "mature" fish in the west is related to migration from eastern area of ... maturing individuals as they grow. It has been defined that a part of western group of fish at the age of 2 ...
Meeting Document : WG-FSA-00/32 : Autor(es): Zh.A. Frolkina (Russia)
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Relative abundance of large whales around South Georgia
Abstract: To assess large whale stocks following the cessation of land-based South Georgia ... species were rare, with southern right whale sightings being the most common event. Two right whales ... mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ... particular feeding ground is the most likely reason for ongoing low numbers of all species. Other factors may ...
Meeting Document : WG-EMM-99/34 : Autor(es): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)
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Analysis of marine debris found at Cape Shirreff, Livingston Island, South Shetlands, Antarctica
Abstract: In the course of demographic studies of Arctocephalus gazella conducted at Cape ... Shirreff (62"27'S, 60°47'W) during the 1984185, 1987/88 and 1990/91 seasons, debris found on ... beaches was collected and transported to Santiago for analysis. The analysis of 1 346 objects collected in ... that this debris comes from different fishing areas (FAO Areas 48, 58 and 88), including areas in the ...
Meeting Document : SC-CAMLR-XI/BG/07 : Autor(es): Delegation of Chile
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Proposals for study of spatial-temporal dynamics of krill distribution for management applications
Abstract: This paper briefly outlines the key scientific issues that should be resolved for ... providing sufficient information with the aim of quantitative understanding regularities and trends of krill ... spatial distribution in the Scotia Sea being the important information for developing management strategy ... for krill stock in the Area 48. Proposals concerning scientific activity needed for resolving issues ...
Meeting Document : SC-CAMLR-XXX/BG/09 : Autor(es): Delegation of Russia
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Research and conservation: a future for albatrosses?
Abstract: The major recent advances in studies of albatross biology, ecology and conservation are ... reviewed. In addition to highlights arising during the first Albatross Conference, pioneering research on ... and opportunities for future research are suggested. The major historical and current threats to ... albatrosses are reviewed and the priority initiatives needed to tackle the latest – and greatest – threat ...
Meeting Document : WG-FSA-97/56 : Autor(es): Croxall, J.P.
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Note on estimating abundance from acoustic data on individual krill aggregations
Abstract: The theoretical basis underlying estimation of krill abundance using echo-integration ... and aggregation information are briefly described. The chief differences of the two approaches are ... highlighted. It is concluded that the echo-integration approach is superior for the estimation of regional ...
Meeting Document : WG-KRILL-91/20 : Autor(es): I. Hampton and D.G.M. Miller (South Africa)
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Features of growth of young Weddell seal
. Studies of the growth (at birth to 21 days age) of young seals were conducted. Seven seals born in the ... “Akademik Vernadsky” station were used in the experiment (two males and five females). They were weighed ... every three days. The live weight was determined by using the obtained data in different periods of ...
Meeting Document : WG-EMM-12/21 : Autor(es): A. Salhanskyy (Ukraine)
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Re-constructing historical Adélie penguin abundance estimates by retrospectively accounting for detection bias
Abstract: This paper provides some of the detail to standardisation examples that are outlined in ... the more general Working Group paper titled ‘The importance of standardising and validating new ... methods for CEMP to maintain the robustness of long-term time series’. We recommend reading the general ...
Meeting Document : WG-EMM-15/P02 : Autor(es): C. Southwell, L. Emmerson, K. Newbery, J. McKinlay, K. Kerry, E. Woehler and P. Ensor
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Remotely operating camera network expands Antarctic seabirds observations of key breeding parameters for ecosystem monitoring and management
Abstract: This paper provides some of the detail to standardisation examples that are outlined in ... the more general Working Group paper titled ‘The importance of standardising and validating new ... methods for CEMP to maintain the robustness of long-term time series’. We recommend reading the general ...
Meeting Document : WG-EMM-15/P03 : Autor(es): C. Southwell and L. Emmerson