Resultados de la búsqueda
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ... illegal long-line fishing activity around South Georgia. Such a relationship between the type and ...
Meeting Document : CCAMLR-XVII/BG/7 : Autor(es): Delegation of the United Kingdom
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
. Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ... were from adult females, a much higher proportion than in previous years. The number of entanglements ... a severe injury in the winter, no such cases were observed in summer. The summer observations were ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Autor(es): Delegation of the United Kingdom
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Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island
Abstract: Studies on DNA microsatellites and a tagging programme both provide information on the ... by further study the implication of very localised stocks of D. eleginoides will have a great effect ... on the management of commercial fisheries for this species. Author(s): A. Reilly, B. Ward and R ...
Meeting Document : WG-FSA-98/39 : Autor(es): A. Reilly, B. Ward and R. Williams (Australia)
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
trigger level that could be used to provide a basis for notification of a VME, based on CCAMLR Scientific ... Committee deliberations and current CCAMLR Conservation Measures. We further present a breakdown of ‘heavy ...
Meeting Document : WG-EMM-09/32 : Autor(es): S.J. Lockhart and C.D. Jones (USA)
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Impacts of cetaceans on the structure of Southern Ocean food webs
-predator removal are not a novel concept. While we acknowledge the correlative nature of our examples, we ... of a broader scientific basis for management of Antarctic marine resources, which are increasingly ... factors. Author(s): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S ...
Meeting Document : WG-EMM-09/P04 : Autor(es): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S. Olmastroni, S.E. Townsend, C.T. Tynan, P. Wilson and E. Woehler
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CCAMLR TAGGING PROGRAM
tagging details of a greater proportion of tags than reported last year which has resulted in an improved ... inventories of these tags to the Secretariat (WG-FSA 08 paragraph 3.56). This request, including a tag ... information to provide these details as soon as possible. A copy of the tag inventory template can be obtained ...
Meeting Document : WG-SAM-09/04 : Autor(es): Secretariat
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AND DOMESTIC SUBANTARCTIC FISHERIES BY THE AUSTRALIAN ANTARCTIC DIVISION AND THE AUSTRALIAN FISHERIES MANAGEMENT AUTHORITY
complexity. Such a set of qualities is rarely available ‘off the shelf’. To ensure that observers in these ... Scientific Observation (SISO) and under domestic legislation, a system of performance management and data ... . Australia considers the use of such a performance management system to be essential in ensuring that high ...
Meeting Document : TASO-08/05 : Autor(es): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.
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Diet composition and observations on reproduction of Champsocephalus gunnari in Subarea 48.3 in March/April 1996, Dr Eduardo Holmberg survey
maturation stages showed that a high proportion of the mature fish sampled (79 %) were 1996 spawners, a fact ... which may be related with a large availability of food (= krill). It is suggested that krill was present ...
Meeting Document : WG-FSA-96/28 Rev. 1 : Autor(es): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... high-chlorophyll a values, salps exhibited high biomass in the oceanic area with low chlorophyll a ...
Meeting Document : WG-EMM-95/54 : Autor(es): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
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Selecting sampling frequency for measuring diving behaviour
seals: an increase in interval from 5s to 15s resulted in 20% of dives being unrecognised, a 38 ... % increase in mean maximum dive depth, a 29% increase in mean dive duration and a 12% increase in duration of ...
Meeting Document : WG-CEMP-93/14 : Autor(es): I.L. Boyd (United Kingdom)