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1. Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea

   Abstract:  This report presents results from a pilot study to investigate the use of acoustics to ... estimate middle trophic level prey organisms (e.g., krill and mesopelagic fish) in the Ross Sea. Single ... frequency (38 kHz) acoustic data were available from New Zealand longline vessels participating in the ... data were collected from the research vessel Tangaroa during a voyage to the western Ross Sea in ...

   Meeting Document : WG-EMM-06/11 : Автор(ы): R.L. O’Driscoll (New Zealand)

2. Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress

   Abstract:  We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... provisionally defined the food web of the Ross Sea as having the following functional compartments: birds, seals ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ... organisms in the Ross Sea was used whenever available. Where no information in the literature was available ...

   Meeting Document : WG-EMM-05/18 : Автор(ы): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

3. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   Abstract:  The current status of national surveys on monitoring of marine debris and their impact ... on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... at King George Island for the fourth consecutive year. There are now 4 sites that have data for more ... Islands). Marine debris, principally packaging items, fishing gear, and wood items, reached a peak in the ...

   Meeting Document : SC-CAMLR-XXIII/BG/11 : Автор(ы): Secretariat

4. Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia

   albatrosses were carried out at South Georgia in the 2003/04 breeding season. Wandering albatrosses were ... -headed albatrosses were breeding at South Georgia in the 2003/04 season. Compared to results from a ... predominantly yacht-based survey of black-browed and grey-headed albatrosses over the whole of South Georgia ... conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ...

   Meeting Document : WG-FSA-04/71 : Автор(ы): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)

5. Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2

   operations that targeted toothfish (Dissostichus spp.) in 2001–03 in Sub-areas 88.1 and 88.2. The ... distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... identification of some species is difficult and some of the species that were reported from outside their known ...

   Meeting Document : WG-FSA-04/42 : Автор(ы): S.J. Baird (New Zealand)

6. Seabird mortality in the Japanese tuna longline fishery around Australia, 1988–1995

   Abstract:  Large numbers of seabirds are killed each year within the Australian Fishing Zone (AFZ ... ) by Japanese longline vessels targeting tuna. In recent years the estimated rate of seabird bycatch in ... the AFZ has been in the order of 0.15 birds 1000 hooks, translating to mortalities of 1000-3500 birds ... observed hauled aboard the vessels. The observed seabird catch rate varies annually, seasonally and ...

   Meeting Document : WG-FSA-98/31 : Автор(ы): N. Brothers, R. Gales and T. Reid (Australia)

7. An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992

   the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock ... operating at 38 kHz and 120 kHz. The results have been analysed for all straight sections of track when the ... ship's speed exceeded 7 knots and when the ship was over the shelf around the main island of South ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ...

   Meeting Document : WG-EMM-96/42 : Автор(ы): Everson, I., Goss, C.

8. REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA

   in Area 48. Overall non-fishing debris items (mostly packaging items) have made up the majority of ... Bird Island, South Georgia over the last 10 years, but only small amounts from the other sites. Plastic ... . The most common entangling materials were plastic packaging bands, synthetic string/longline and ... fishing nets. The Wandering albatross has more debris reported from its colonies than any other species ...

   Meeting Document : WG-IMAF-09/08 : Автор(ы): Secretariat

9. DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   a preliminary development version of this model to Antarctic toothfish in the Ross Sea as an age and ... -based population age structure in a spatially explicit manner. The model is parameterised by both ... population processes (i.e., ageing, recruitment, and mortality), as well as movement processes defined as the ... designed to be flexible, allow for the estimation of both population and movement parameters based on local ...

   Meeting Document : WG-SAM-08/14 : Автор(ы): A. Dunn and S. Rasmussen (New Zealand)

10. Ocean acidification and the Southern Ocean

    , including the Southern Ocean. The relative undersaturation of CaCO3 in the Southern Ocean suggests that ... organisms such as the pteropods that form the base of much of the Southern Ocean food chain. Orr et al (2005 ... ) predicted that under the Intergovernmental Panel on Climate Change (IPCC) IS92a warming scenario, which ... assumes “business as usual”- emissions leading to 778 ppm of CO2 in the atmosphere by 2100- aragonite will ...

    Meeting Document : CCAMLR-XXIX/BG/24 : Автор(ы): ASOC Observer

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