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1. By-catch of rays in the 2002/03 toothfish fishery around South Georgia

   Abstract:  The 2002/2003 fishing season was the first in which three new policies for rays were ... tried: • It was the first in which vessels were asked to cut off all rays at water level to assist ... survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ...

   Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)

2. Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3

   Abstract:  The purpose of this paper was estimating commercial fleet impact on krill population in ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... aggregated in the fishing grounds was assessed basing on 22800 haul data. The analysis of Soviet fleet ... competitive with dependent predators for the krill resource. In this case, a certain spatial overlap of the ...

   Meeting Document : WG-EMM-02/62 : Auteur(s): S.M. Kasatkina and V.F. Ivanova (Russia)

3. Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Abstract:  Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... raised by the 2001 CCAMLR bycatch subgroup, the processes for recording bycatch in this fishery were ... macrourid bycatch in this fishery. The review of data suggest that the toothfish fishery has not yet had a ...

   Meeting Document : WG-FSA-02/40 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)

4. Crab by-catch in the experimental toothfish pot fishery around South Georgia, 2000

   occurred in shallow water, generally shallower than 800m. P. anamerae, which has not been reported for this ... area previously, had an intermediate depth distribution from 400 – 800m. P. formosa was present in ... . There were some differences in catch rate5 between areas, with lowest catch rates being encountered ... between Shag Rocks and South Georgia, and highest for P. formosa in deep water north of South Georgia. Few ...

   Meeting Document : WG-FSA-00/24 : Auteur(s): T. Daw, D. Agnew, M. Purves, G. Pilling and C. Yau (United Kingdom)

5. Estimation of catch rate and mean weight in the exploratory Dissostichus fisheries across Divisions 58.4.1 and 58.4.2 using generalised additive models

   Abstract:  The exploratory longline fisheries in Divisions 58.4.1 and 58.4.2 (primarily targeting ... make predictions of catch rate and mean weight across fishable depths in both Divisions. Catch rates ... across the region are low compared to those in other Dissostichus fisheries within the Convention Area ... potential and population structure in other exploratory fisheries is recommended. Author(s):  D.C. Welsford ...

   Meeting Document : WG-FSA-11/35 : Auteur(s): D.C. Welsford (Australia)

6. How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer

   Abstract:  Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... comparisons are made to examine possible changes in sampling adequacy resulting from ecological changes ... relations of krill, salps, and other zooplankton taxa in the Elephant Island area. Author(s):  Loeb, V ...

   Meeting Document : WG-EMM-97/32 : Auteur(s): Loeb, V.

7. Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality

   Abstract:  In recent years, a new longline fishery for the fish Dissostichus eleginoides has ... developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... activity in Kerguelen waters in February 1994. Between 100 and 600 seabirds were always observed behind the ... Weimerskirch and Guy Duhamel (France) Title:  Interactions between longline vessels and seabirds in Kerguelen ...

   Meeting Document : WG-IMALF-94/12 : Auteur(s): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)

8. Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996

   around South Georgia were compared with data reported to CCAMLR and held in CCAMLR's longline ... as single records. A number of hauls yielding zero catches present in the data acquired by the UK ... have not been reported to CCAMLR. In 1996 less than 10% of the hauls showed large discrepancies between ... in reporting bycatch and incidental mortality of birds. Author(s):  Parkes, G.B., Pearce, J., Agnew ...

   Meeting Document : WG-FSA-97/37 : Auteur(s): Parkes, G.B., Pearce, J., Agnew, D.J.

9. Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3

   in Subarea 48.3 from 1966- 197 1, rather than just 1970 and 197 1 as previously reported. Previous ... unrealistic stock history considering that this stock was the first to be exploited in the Antarctic. A VPA ... using the new data suggests that unexploited biomass was over 900 000 tonnes, and declined in a manner ... gunnari, rather than N. rossii, and that 25% of the catch in 1969 was also C. gunnari. A VPA run with ...

   Meeting Document : WG-FSA-95/17 : Auteur(s): Agnew, D.J.

10. A simulation study of the method of refining the natural mortality coefficient with Champsocephalus gunnari in Subarea 48.3 used as an example

    . As a result of this mathematical modelling study using C. gunnari in Area 48.3 as an example, it was ... shown that the proposed method facilitates such a refinement. When a mistake is made in the choice of ... natural mortality coefficient, the estimate of the free component in the equation will be other than zero ... . A bias in the estimate can be positive if the assumed natural mortality coefficient is less than the ...

    Meeting Document : WG-FSA-91/25 : Auteur(s): P.S. Gasiukov and R.S. Dorovskikh (USSR)

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