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1. Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area

   Abstract:  The selection of a survey area of sufficient size to acount for the migratory behavior ... of krill and based on evaluating the variance structure of sampling within the area from a time ... -series of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing ... stock. The two units of sub-area within the site exhibit different patterns of annual distribution, but ...

   Meeting Document : SC-CAMLR-VIII/BG/32 : Автор(ы): Delegation of USA

2. The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program

   management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... programme relies on two key aspects (i) that the tagged fish have a good chance of survival and (ii) that ... tagging performance in relation to these two aspects has been thus far inconclusive because of confounding ... factors such as time and location of tagging and subsequent fishing effort, as well as size of fish tagged ...

   Meeting Document : WG-SAM-12/30 : Автор(ы): S. Mormede and A. Dunn (New Zealand)

3. Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?

   Abstract:  Between 2001 and 2013 the number of breeding pairs of Adélie penguins (Pygoscelis ... half a million. It has been suggested that predation release of Antarctic silverfish (Pleuragramma ... antarctica) due to fishing of one of its predators, Antarctic toothfish (Dissostichus mawsoni), could have ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ...

   Meeting Document : WG-FSA-15/41 : Автор(ы): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)

4. Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution

   Abstract:  The incorporation of “effective sample size” (ESS) in integrated assessments is an ... approximate but simple way of modelling the distribution of catch-at-age or catch-at-length frequencies using ... frequencies. The ESS applied within the definition of the negative log-likelihood contribution to the ... -length frequency data relative to the other types of data used in integrated assessments of toothfish ...

   Meeting Document : WG-SAM-07/7 : Автор(ы): S.G. Candy (Australia)

5. Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150 km continuous plankton recorder transect

   Abstract:  The Southern Ocean south of Australia is oceanographically complex, being characterized ... by double branches of the Sub-Antarctic Front (SAF), Polar Front (PF) and Southern Antarctic ... Circumpolar Current (SACCF), in addition to the Southern Boundary (SB) of the ACC. From 25 February to 3 March ... and 66.36°S, crossing each of these frontal zones. Surface temperature, salinity, and fluorescence ...

   Meeting Document : WS-BSO-07/P6 : Автор(ы): Hunt, B.P.V. and G. Hosie

6. Monitoring of relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, in years 2000 to 2003

   Abstract:  The monitoring program of demersal fish at inshore sites of the South Shetland Islands ... has continued in Potter Cove from 2000 to 2003, covering a continuous sampling period of twenty years ... net catches of fjord fishes of the species Notothenia rossii and Gobionotothen gibberifrons in ... 1983-1999, is still evident. At Potter Cove, higher catches of N. rossii were obtained from 1991 to ...

   Meeting Document : WG-FSA-03/89 : Автор(ы): E. Barrera-Oro, E. Marschoff, R. Casaux and B. Gonzalez (Argentina)

7. On possibility of using acoustic method to improve quality of Champsocephalus gunnari biomass estimates in Subarea 48.3

   Abstract:  An attempt has been made to study icefish as an object of acoustic survey basing on the ... acoustic and biological data obtained by Russian RN ATLANTIDA in the area of South Georgia Island (January ... -February 2000). Estimation of possible target strength values was made by a comparison to TS of other fish ... and physical body properties. There has been proved a comparability of Ch.gunnari length frequencies ...

   Meeting Document : WG-FSA-00/31 : Автор(ы): S. Kasatkina (Russia)

8. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   2000 showed clearly a necessity to revise the methods of icefish (which is near-bottom and pelagic fish ... species) biomass assessment based on the results of bottom trawl surveys. A question on unreliability of ... stock assessment was repeatedly raised on the meetings of Working Group on Fish Stock Assessment (WGFSA ... ) both during the period of the icefish fishery in 1980s and after its ceasing in 1990s. In all cases, a ...

   Meeting Document : WG-FSA-00/45 : Автор(ы): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

9. THE HISTOLOGICAL ANALYSIS OF OOGENESIS AND MATURITY OF ANTARCTIC TOOTHFISH FROM THE ROSS SEA

   Abstract:  The results of the histological analysis of the Antarctic toothfish (Dissostichus ... morphological parameters, indices of gonads and condition by Fulton have been described. The histological ... criteria of the assessment of the ovary maturity stages, cytological parameters of oocytes and type of the ... toothfish oogenesis have been determined. At the maturing of toothfish, ovaries from the stages III to IV ...

   Meeting Document : WG-FSA-09/26 : Автор(ы): S.V. Piyanova and A.F. Petrov (Russia)

10. Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992

    Abstract:  Observations on abundance of by-catch fishes were made during the austral winter months ... of 1992 (from July 9 to August 3) on board F/V No.3 and No.5 Chiyo Maru in the vicinity of the South ... Georgia Island. Among 74 net hauls examined, a total of 66 specimens of fishes belonging to 3 species were ... (62 specimens; 93.9% in number; 58.9% of total weight of by-catch fish). Standard length (SL) of L ...

    Meeting Document : WG-KRILL-93/51 : Автор(ы): T. Iwami (Japan)

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