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1. An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea

   daily basis has also decreased in nearby McMurdo Sound. Consistent with a decrease in the catch-per-unit ... whales would force more direct competition with other predators for capture of the smaller-fish prey ... . Therefore, we propose, the Ross Sea killer whales have opted to move elsewhere in a scenario consistent with ...

   Meeting Document : WG-EMM-09/P01 : Author(s): D.G. Ainley, G. Ballard and S. Olmastroni

2. An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea

   survey boxes showed features coherent with ship-borne measurements, with peak densities in both boxes ... monitoring. With appropriate survey design, gliders can be used for estimating krill distribution and ...

   Meeting Document : WG-EMM-14/P02 : Author(s): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths

3. A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05

   rates of rattails were lower with the Spanish line system than with the autoline system. Russian and ... shown a general increasing trend since 1998/99, with a peak in 2002/03. It was not possible to reliably ...

   Meeting Document : WG-FSA-05/24 : Author(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)

4. Ecosystem modelling for the Antarctic krill fishery

   University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ... pilot study Ecopath with Ecosim 4.0 is being used to develop two mass-balance models of the Antarctic ... the system. Both models are being constructed with the same structure to allow comparisons between the ...

   Meeting Document : WG-EMM-01/65 : Author(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

5. Net monitoring on Norwegian krill fishing vessels, recent trials, and a proposal for amendment to CM 25-03 to accommodate cabled communication between net sensors and vessel

   implemented on the FV Saga Sea because extensive trials carried out in 2017/18 with other alternatives were ... this particular rigging is compatible with the main objectives of CM 25-03, i.e. minimizing the ... connection between trawl and vessel is rigged in such a manner that interactions with seabirds causing ...

   Meeting Document : SC-CAMLR-38/18 : Author(s): O.A. Bergstad

6. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   calculated at 50,897 tonnes with a lower 1-sided 95% interval estimate of 30,288 tonnes. This is lower than ... in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ...

   Meeting Document : WG-FSA-2019/20 : Author(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

7. Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2

   days, with most skates at liberty for approximately one year. Estimates of growth were very low ... , with average increments of 12 mm per year in total length, 17 mm per year in disk width and 0.1 kg per year ... and/or that the trauma of capture results in at least one year of very slow growth. Growth estimates were lower than ... for approximately one year. Estimates of growth were very low, with average increments of 12 mm per year in total ...

   Meeting Document : WG-FSA-03/73 : Author(s): E.M. van Wijk and R. Williams (Australia)

8. Informe de la campaña de investigación biológico-pesquera de palangre de fondo en aguas del Atlántico sur-oriental y en los sectores Atlántico e índico de la CCRVMA (Subárea 48.6 y División 58.4.4)

   toothfish (D. eleginoides) with 2822 individuals (83.24 %). Macrourus carinatus was the second species in ... to increase length with depth seems to be somehow disturbed by inflections or alterations related to ... be related to the beginning of migratory movements that make them inaccessible to fishing with bottom ... stratum with highest catch per unit effort was that of 600-800 m though absolute values varied between ...

   Meeting Document : WG-FSA-98/48 : Author(s): L.J. López Abellán y J.F. González Jiménez

9. Monitoring, control and surveillance undertaken by Chile during 2018/19 season

   Operations in the area of the Convention. Every year, the Second Commanders of Navy vessels participating ... Operations in the area of the Convention. Every year, the Second Commanders of Navy vessels participating ...

   Meeting Document : CCAMLR-38/BG/29 : Author(s): Delegation of Chile

10. Developments in the CCAMLR tagging program

    tags have been returned;  37% provide an exact match with tag numbers  held in the database, 22 ... % provide an exact match with tag numbers but had inconsistent ancillary data. For those tags that did not ...

    Meeting Document : WG-FSA-11/06 : Author(s): Secretariat

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