Search results
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Beach debris survey Signy Island, South Orkney Islands, 2004/05
and size categories. A total of 38 items weighing 10.95kg were collected. The number of items found ... exception of 2003/2004 and marking a return to what has otherwise proved a declining trend since 1993/94 ... clearly show that the longevity of plastics and other materials with a high resistance to degradation in ... the marine environment remains a problem. The need for continued monitoring to ensure that vessels are ...
Meeting Document : SC-CAMLR-XXIV/BG/17 : Author(s): Delegation of the United Kingdom
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Seabird avoidance measures for small Alaskan longline vessels
guidelines. Vessel speed was found to be a primary determinant of both the distance astern that longline ... 16.8 m and with infrastructure (a 45-m streamer line with a minimum aerial distance of 20 m) was ... achievable and practical regardless of vessel size, especially with a lighter streamer line design. However ... , the current requirement for small vessels using fixed gear of a single streamer line with no mandatory ...
Meeting Document : WG-FSA-05/36 : Author(s): E.F. Melvin and M. Wainstein (USA)
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Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights
distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... associated with periods of low krill biomass, has shown that the population dynamics of krill is a major ... has provided the basis for a re-evaluation of the role of recruitment variability and high rates of ... . Furthermore the production of a consistent index of krill population size composition from the diet of ...
Meeting Document : WG-EMM-04/63 : Author(s): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2010–11
updated, including summaries of data for the 2011 season. Overall, a total of 28 458 Antarctic toothfish ... as being recaptured only a short distance from their point of release, typically less than 100 km ... and vice versa.. The total number of recaptures in 2010 and 2011 was at a similar level to 2007 and ... is more likely to be related to the different locations of fishing in 2009 rather than a lower ...
Meeting Document : WG-FSA-11/46 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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PRELIMINARY PROPOSAL FOR MARINE SPATIAL PROTECTION AROUND THE SOUTH ORKNEY ISLANDS
Abstract: This paper proposes the establishment of a protected area to the south of the South ... paper discusses the need for further work required to achieve a comprehensive, adequate and ... Committee to: i) Endorse the work undertaken to date and recommend the adoption of a protected area ... Subarea 48.2 (South Orkney Islands), for which special use restrictions including a prohibition on fishing ...
Meeting Document : SC-CAMLR-XXVIII/14 : Author(s): Delegation of the United Kingdom
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
Abstract: The first international workshop on implementing a Southern Ocean Sentinel program was ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... October 2009, including discussion on the following questions: A key conclusion of the workshop was that ... impacts on Southern Ocean marine ecosystems and work towards a quantitative assessment of impacts by 2014 ...
Meeting Document : WG-EMM-09/37 : Author(s): A.J. Constable
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INGESTION OF FISHING GEAR AND ENTANGLEMENTS OF SEABIRDS: IMPLICATIONS FOR MONITORING AND MANAGEMENT
of a 16 year dataset collected at Bird Island indicated that the amount of gear found in association ... corresponding with a substantial increase in the number of multifilament snoods (gangions), suggesting that the ... widespread adoption of a new longline system may have been responsible. Although all identified gear was ... demersal, given the widespread use of similar hooks, little could be assigned to a specific fishery ...
Meeting Document : WG-IMAF-09/10 : Author(s): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)
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RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
Division 58.4.4 a & b, a total of 124 research hauls are allocated on 10-minute latitude x 20-minute ... shallow points of < 500 m in SSRU A in order to avoid catching small fishes. A Trot line system will be ... utilities of the data and reducing uncertainties. In 31 hauls (a quarter of total sets), the experimental ...
Meeting Document : WG-SAM-09/11 : Author(s): Delegation of Japan
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
-edge zone suggests that girth can be a useful indicator of food availability. In Areas IV and V, krill ... . crystallorophias was the dominant prey species. Distribution of minke whales showed a greater interannual ... variability in Area V than in Area IV, reflecting a greater degree of variability in sea-ice extent in Area V ... . In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was ...
Meeting Document : WG-EMM-97/18 : Author(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
is that one buoy traveled all the way to South Georgia and has been being trapped in a winter fishing ... ground for krill.) High concentrations of chlorophyll a were also measured in the shelf waters, showing a ... spatial correlation between krill and chlorophyll a distributions. It is therefore considered that both ... hydrodynamic and food environments may accumulate krill. a regular fishing ground on the northern shelf of ...
Meeting Document : WG-KRILL-91/22 : Author(s): Delegation of Japan