Resultados de la búsqueda
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Measurement of ocean temperatures using instruments carried by Antarctic fur seals
South Georgia. In particular, the relationship between on- and off-shelf waters showed larger amounts of ... Abstract: The study aimed to test the utility of instruments deployed on marine mammals for ... measuring physical oceanographic variation and, using this method, to examine temperature variation in the ... recorders (TDRs) fitted to lactating Antarctic fur seals foraging from the coast of South Georgia ...
Meeting Document : WG-EMM-01/56 : Autor(es): I.L. Boyd, E.J. Hawker, M.A. Brandon and I.J. Staniland (United Kingdom)
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Diseases and parasites of penguins
Abstract: The study of diseases in wild penguins is important for the identification of endemic ... diseases and the detection of exotic diseases should these occur. It is also important in the understanding ... and parasites recorded for all species of penguins present both in the wild and in captivity. Normal ... values for blood biochemistry and haematology are given as an aid to the identification of illness in ...
Meeting Document : WG-CEMP-94/35 : Autor(es): J. Clarke and K. Kerry (Australia)
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REPORT OF SANCTIONS APPLIED BY SPAIN
San 33, neither of them flagged to Spain – which were included in the CCAMLR list of illegal vessels ... did not provide proof or evidence in support of this action. However, as a result of the inspection of ... fishing activities in the CCAMLR Area with the above-mentioned vessels. Author(s): Delegation of Spain ... the action taken by Spanish Authorities in relation to the vessels Trosky (formerly Paloma V), Chilbo ...
Meeting Document : CCAMLR-XXIX/BG/37 : Autor(es): Delegation of Spain
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
full age range, indicating differences in the criteria used to interpret the first few years of age ... , possibly in identification of the first annulus. Author(s): J. Ashford (United Kingdom) and P. Horn (New ... Abstract: To examine consistency between laboratories in age estimation of Patagonian toothfish ... , otoliths were taken from 100 fish caught in the South Atlantic, and transverse sections prepared by baking ...
Meeting Document : WG-FSA-99/56 : Autor(es): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Short note on time series of Drake Passage Oscillation Index (DPOI) and its influence on environmental variability
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ...
Meeting Document : WG-EMM-07/14 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)
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Status of white-chinned petrels Procellaria aequinoctialis Linnaeus 1758, at Bird Island, South Georgia
the distributioin and density of occupied burrows in 1981 and 1998. In both surveys white-chinned ... petrel burrows occurred in one-quarter of the 460–47736-m2 quadrats surveyed. The total number of burrows ... breeding in tussock grassland at sub-Antarctic islands. Over the last decade it has been killed in large ... numbers in temperate and sub-tropical longline fisheries. However, no data are available on the global ...
Meeting Document : WG-FSA-01/26 Rev. 1 : Autor(es): S.D. Berrow, J.P. Croxall and S.D. Grant (United Kingdom)
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
of that kind. The present study attempts to implement this estimator in the form of a parametric ... Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... uncertainty at breeding sites in Antarctica. To achieve this task, a menu-driven suite of routines titled ... SEABIRD (Seasonal Estimation of Abundance by Bootstrapping Inexact Research Data) has been developed in ...
Meeting Document : WG-EMM-PSW-08/11 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
. These include metrics for taxonomic resolution in the observer data, goodness of fit of catch data to ... Benford's Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ... could be helpful in the identification of trips which have similar data quality to the known “good data ... ” trips, but where, due to heterogeneity in the stock and in the spatial and temporal distribution of ...
Meeting Document : WG-SAM-09/19 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia
the rate of increase in pup production has declined since the initial period of population expansion ... in the 1950s and 1960s. Increased population size has led to an expansion of the breeding range at ... Abstract: A census of the breeding population of Antarctic fur seals (Arctocephalus gazella) at ... South Georgia was carried out during the 1990/91 breeding season. Using counts of adult females ashore ...
Meeting Document : WG-CEMP-92/39 : Autor(es): I.L. Boyd (United Kingdom)
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
the biological data in 1990s, however, the habitat shift of this species was still unclear. The ... waters of sub-Antarctic zone and spend the first year of life in this region. Those individuals move ... to test habitat shift and life history processes of fish species in the Southern Ocean. Moreover ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ...
Meeting Document : WG-FSA-17/65 : Autor(es): L. Wei and G.P. Zhu