Search results
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
of the fish recaptured to date were tagged and released during the experimental pot fishing in 2000 and 2001 ... vessel in international waters at that latitude in 2001. Author(s): T.R. Marlow, D.J. Agnew ... to date were tagged and released during the experimental pot fishing in 2000 and 2001, and have been ... in international waters at that latitude in 2001. ...
Meeting Document : WG-FSA-02/28 : Author(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands, 1998/99
of entanglements in fishing net. 039;Severe039; and 039;very severe 039; injury was being caused to 70 ... in fishing net. 'Severe' and 'very severe ' injury was being caused to 70% of animals ...
Meeting Document : SC-CAMLR-XVIII/BG/06 : Author(s): Delegation of the United Kingdom
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An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account
by Brandão et al. (2001) is updated to take account of further catch and effort data that have become ... . (2001) is updated to take account of further catch and effort data that have become available over ...
Meeting Document : WG-FSA-02/76 : Author(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
). From this comparison, Cape Shirreff039;s male pups resulted to have a faster growth with less ... patterns remain similar for equal time series, it could make sense to suggest that Cape Shirreff039 ... strategies between populations of A. gazella. An important decrease in A. gazella039;s population ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Author(s): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... that these could be useful in the development of fisheries-dependent indices of krill abundance. Polar ... 1 t. The aggregations were on average 4.2 km apart along-track, and on 10 of the 15 survey days were ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ...
Meeting Document : WS-KCPUE-89/11 : Author(s): D.G.M. Miller and I. Hampton (South Africa)
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
/17 fishing season, noting that on average 89% of skates by weight are released alive (45 of 51 t ... hence we recommend that a 2-year skate tagging programme in the Ross Sea region be used to provide ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... species is the only one with enough mark-recapture data to examine movement patterns and estimate local ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Author(s): S. Parker and M. Francis
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season
parameters. However, multi-chain comparisons and sensitivities with fixed selectivity ogives suggested that ... yields, using the CCAMLR decision rules, were estimated to be 2964 t although continued catch at current ... levels (3207 t) would not be expected to breach the 50%B0 threshold until 2029. Author(s): A. Dunn, D.J ... ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ...
Meeting Document : WG-FSA-05/33 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10
fact be Patagonian toothfish. We recommend that observers be made aware of this issue, and that the ... dynamics. It has been suggested that a pre-recruit longline survey be developed to collect data to better ... fishing together with the catch of Dissostichus spp and bycatch species by year for the period 1997–98 to ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ...
Meeting Document : WG-FSA-10/23 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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An assessment of toothfish in Subarea 48.3 using CASAL
45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ... , with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... fleets with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE ...
Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until the start of August 2013 ... ) at the Heard and the McDonald Islands (Division 58.5.2) with data until the start of August 2013. Compared ...
Meeting Document : WG-FSA-13/24 : Author(s): P. Ziegler, S. Candy and D. Welsford (Australia)