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1. Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation

   Abstract:  An important management objective for CCAMLR in the high seas region of the Antarctic ... that they are relatively simple to construct, run, and interpret. In most cases, the results of the ... simulations suggested that management action of areal closures in the Ross Sea region are likely to result in ... work on these simulations are required — including investigating how changes in the distribution of ...

   Meeting Document : WG-FSA-10/29 : Autor(es): A. Dunn, S.J. Parker and S. Mormede (New Zealand)

2. Further calculations of the effects of krill fishing on predators

   random component in the relationship between krill biomass and availability. An examination of the ... consequences in the case of the blackbrowed albatross suggest that these other factors result in yet lesser ... estimate the levels of krill harvesting which would result in halving the sizes of various krill predator ... investigated. Results in those regards are not too encouraging. Estimates of the functional relationships for ...

   Meeting Document : WG-Krill-94/24 : Autor(es): D.S. Butterworth and R.B. Thomson (South Africa)

3. Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II

   Dana, were undertaken in the Prydz Bay region, Antarctica. Three surveys were carried out south of 60°S ... of error in the echointegration technique are presented. Quantitative data are presented on the ... abundance (biomass) of krill in the Prydz Bay region as a whole and the weight density of krill along each ... , that there had actually been changes in the abundance of krill in the region over the period between ...

   Meeting Document : SC-CAMLR-VII/BG/40 : Autor(es): Delegation of Australia

4. Hydroacoustic survey of elephant island and the vicinity of King George Island, austral summer 1989

   years survey. The total biomass in the vicinity of Elephant Island estimated from 200 kHz survey data ... Abstract:  The hydroacoustic survey found a high krill abundance in the Elephant Island area (a ... “superswarm" not unlike 1981) and a very low abundance in the King George Island area compared to last ... was 940 k tons with only 34 k tons in the King George Island/Bransfield Strait. The survey results ...

   Meeting Document : SC-CAMLR-VIII/BG/33 : Autor(es): Delegation of USA

5. Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper

   2 fish have been recaptured. It is likely that the lack of tag recaptures in this region has been ... drawing on the success of tagging programmes in other CCAMLR fisheries, we develop an approach for ... tonne in the short term to obtain more precise estimates of abundance and improved data indicative of ... Abstract:  This paper frames a discussion for improving the assessment of toothfish abundance for ...

   Meeting Document : WG-SAM-14/28 : Autor(es): S.M. Hanchet and S.J. Parker (New Zealand)

6. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

   of mature fish in the west is related to the migration of maturing individuals from the eastern and ... , Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf Abstract / Description ... determine the age-length composition of mackerel icefish (Champsocephalus gunnari) from different parts of ... the South Georgia area. An analysis of the spatial distribution of C. gunnari size and age groups over ... ). In the east region of South Georgia the mean length of C. ~z~i innri was generally the smallest ... census trawl surveys of C. glii~i~ari (Table 2). Mean length was smallest in the east region of the ... observed between those t ~ 7 o groups and the easterin group. The larger number of mature fish in the ... species in waters around South Georgia. A number of papers on the ecology of C. gl~nizari have been ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A

7. Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths

   noted in the growth parameters being used for assessments of toothfish. To assess whether these ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ... in reading otoliths; quality assurance and control; and the use of reference sets to monitor ...

   Meeting Document : WG-FSA-10/15 : Autor(es): K. Underkoffler, N. Ramanna and J. Ashford (USA)

8. 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 ... -length frequency data relative to the other types of data used in integrated assessments of toothfish ... simulation results are used to discuss the issue of estimating ESS in the presence of process error. It is ... approximate but simple way of modelling the distribution of catch-at-age or catch-at-length frequencies using ...

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

9. Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97

   was 85 %. Rates of failure were higher during the chick stage than in the egg stage for both of these ... chicks in the third study colony was similar to that recorded for other populations of Pintado Petrel, as ... . Whole female krill occurred more frequently than male krill in the diets of chick-rearing Pintado ... two study colonies. The mean hatching date in these colonies was 11 January, and the first and last ...

   Meeting Document : WG-EMM-97/56 : Autor(es): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.

10. ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING

    surveys in the South Georgia area are analyzed. The high heterogeneity of horizontal and vertical fish ... distribution in the near-bottom layers within the surveyed area is shown. Influence of this fish distribution ... considerable degree stipulated by heterogeneity of fish distribution in the near-bottom layer relative to the ... Abstract:  Acoustic and trawl samples obtained in the near-bottom layers covered by bottom trawl ...

    Meeting Document : WG-SAM-09/20 : Autor(es): S.M. Kasatkina (Russia)

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