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1. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   Islands in 2004. Intensive analysis of otoliths from these specimens greatly increased confidence in the ... interpretation of otolith growth zone structure, supporting the otolith interpretation protocol used in previous ... , using a reduced probit model. Résumé Lors de la campagne d’évaluation BioRoss de l’ouest de la mer de ... grenadier Macrourus whitsoni. L’analyse intensive des otolithes de ces spécimens a grandement amélioré la ... confiance dans l’interprétation de la structure des zones de croissance des otolithes, confortant ainsi le ... –0.159 pour les mâles et L∞ 92,03, K 0,055 et t0 0,159 pour les femelles. Les estimations révisées de la ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Autor(es): Marriott, P.M., M.J. Manning and P.L. Horn

2. An index of per capita recruitment

   recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... age-l animals in the sample can be determined unambiguously. Normal, lognormal and uniform probability ... distributions of R I, and three levels of M were assumed in order to investigate the resulting distributions of ... years, and when all age-l animals spawn. These conclusions are insensitive to changes in the shape of ... reproducteur de 30% si les hypothPses avancPes sont raisonnables en ce qui concerne la variabilitg de la ... samples (de la Mare, 1994) where R1 is defined as the proportion of individuals in a given year of ... dans lequel R1 est la proportion d'individus d'5ge 1 echantillonnes en l'annee y et M est le taux de ... facteurs presumes l'affecter. La formulation de PCR repose sur plusieurs hypothPses : i) la mortalit6 des ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Autor(es): Hewitt, R

3. Do krill and salp compete? Contrary evidence from the krill fisheries

   phenomena are discussed. Author(s):  S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M ... proportion of green krill in the catches was evident when both salps and krill were taken together. In the ... . However, no clear relationship was observed in the Elephant Island area. Possible reasons for these ...

   Meeting Document : WS-AREA 48-98/4 Rev. 1 : Autor(es): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)

4. Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing

   ):  William K. de la Mare and Knowles R. Kerry (Australia) Title:  Population dynamics of the wandering ... increased from 17 in 1956 to a maximum of 97 in 1966, and then declined at an average rate of 8.1% per year ... emigration). The decline is correlated with the onset of large-scale fishing for tuna in the southern ... albatross is estimated. An annual number of longline hooks in the southern hemisphere tuna fishery of 41.6 ...

   Meeting Document : WG-IMALF-94/07 : Autor(es): William K. de la Mare and Knowles R. Kerry (Australia)

5. Testing the performance of a recompiled version of CMIX to decompose length-density distributions of Patagonian toothfish (Dissostichus eleginoides)

   Dissostichus eleginoides Author(s):  T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia ... differences in the minimisation routines of the recompiled version. We conclude that the small differences ...

   Meeting Document : WG-FSA-04/65 : Autor(es): T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia)

6. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   tonnes- at the low end of values that have been suggested in the past. The differences between our ... . Additionally, the current precautionary catch limits in the South Atlantic are set using a superseded acoustic ... survey of the South Atlantic in January 2000 may result in an effective biomass which is greater than the ... value used in the past. The seasonal and local consequences of large catch limits will have to be taken ... surestimation de la demande de krill des predateurs. M6me si ces estimations mettant en evidence une faible ... d'intensite acoustique qui est depassee et qui sous-estime la biomasse de krill par un facteur de trois, si ... . Aun si estas estimaciones bajas de la biomasa de kril son correctas, es probable que 10s limites de ... ) est estimee B partir d'estimations recentes de la densite de krill fournies par des campagnes ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Autor(es): Nicol, S., A.J. Constable and T. Pauly

7. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   conducted in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required ... of 900 tonnes in the 1997/98 season and 600 tonnes in 1998/99. File:  06delamare-etal.pdf ... in the years 1990, 1992 and 1993. The results of these surveys were reported in Williams and de la ... (see de la Mare, 1994a for details). The estimated density of a given year class in a stratum was ... model used in Trial 2. de la Mare et al. Results are shown in Table 11. It can be seen that the ... : 301447. Williams, R. and W.K. de la Mare. 1995. Fish distribution and biomass in the Heard Island ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Autor(es): de la Mare, W.K., R. Williams and A.J. Constable

8. Verification of the CMIX procedure on species with known age-length keys

   surveys using the method of W.K. de la Mare (1994) is a conventional procedure in the WG-EMM and WG-FSA ... practice. Verification of the method was made on the materials on the Baltic cod collected in the ICES ... out by research vessels of Russia and other countries were used. It has been shown that divergence in ...

   Meeting Document : WG-FSA-SAM 03/5 : Autor(es): P. Gasiukov (Russia)

9. A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey

   ., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S. Title:  A comparison between the estimated density of ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... found between the two data sets. Several orders of magnitudes were seen in the range of variation ... , excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ...

   Meeting Document : WG-EMM-97/43 : Autor(es): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.

10. Abundance of Patagonian toothfish (D. eleginoides) at Macquarie Island estimated from tagging studies during 1995/96 fishing season

    (s):  de la Mare, W., Williams, R. Title:  Abundance of Patagonian toothfish (D. eleginoides) at ... obtained for the pre-fishing abundance of the population in the season of 996 000 fish. However, this is ...

    Meeting Document : WG-FSA-96/39 : Autor(es): de la Mare, W., Williams, R.

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