Résultats de la recherche

1. On the intensity of sampling krill trawl catches

   uses actual krill length-frequency data in an attempt to address the problem of the determination of ... be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... 120 100 90 80 70 60 50 40 30 20 10 30 35 i i i i i i i i i i i i i ... confidence limits (90%). To estimate the minimum detectable difference in length for a given sample size in ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... CATCHES D.G.M. Miller* Abstract This paper uses actual krilllength-frequency data in an attempt to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.

2. A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari

   for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ...

   Meeting Document : WG-FSA-90/17 : Auteur(s): G. Duhamel (France) and D.J. Agnew (Secretariat)

3. The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)

   Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...

   Meeting Document : WG-FSA-12/20 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)

4. A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS

   toothfish. A survey of the available literature and both published and unpublished data provided an initial ... Sea as a step towards investigating ecosystem effects of the fishery for Antarctic toothfish ... (Dissostichus mawsoni). The model has 30 trophic groups representing all the major biota of the Ross Sea. Many ... , exports), energetics (growth, reproduction, consumption), and trophic linkages (diets, key predators) for ...

   Meeting Document : WG-EMM-08/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)

5. SC-CAMLR-XXIV

   /BG/29 Ad Hoc WG-IMAF Conveners’ summary for the Scientific Committee 2005 SC-CAMLR-XXIV/BG/30 A ... Provisional Agenda for the Twenty-fourth Meeting of the Scientific Committee for the Conservation of Antarctic ... Marine Living Resources SC-CAMLR-XXIV/02 Provisional Annotated Agenda for the Twenty-fourth Meeting of ... the Scientific Committee for the Conservation of Antarctic Marine Living Resources SC-CAMLR-XXIV/03 ...

   Meeting

6. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File:  09-Shilbanov.pdf ... the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years and 12.6 cm ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ... years The analysis of the age composition curve shows that not all two year old fish were represented ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.

7. Further development of pairwise tag detection performance index and its application to the stock assessment of toothfish in the Ross Sea fishery

   algorithm, more than 90% of all tags released and recaptured were selected for inclusion. We recommend this ... Abstract:  Tag release and recapture data are used in integrated age-structured stock assessments ... ) could lead to an over-estimate of the stock biomass. In this paper we develop further an index of vessel ... -specific tag detection performance for the Ross Sea fishery using a case-control methodology which controls ...

   Meeting Document : WG-SAM-13/34 : Auteur(s): S. Mormede (New Zealand)

8. Analysis and modelling of the Soviet Southern Ocean krill fleet

   / Description:  The first part of this document contains an analysis of data pertaining to the Soviet krill ... support the notion of a “patches within patches” model for the distribution of krill in the southern ... aggregate into swarms of krill. The swarms then aggregate into concentrations, which are the foci for the ... model is developed for a survey vessel that does no fishing, but simply locates concentrations of krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Auteur(s): Mangel, M.

9. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   -vascular fluid for this serological research. We recognise the c-ELISA test as the best option in this ... regard, and suggest that Brucella spp. has an extended distribution and is probably found worldwide in ... Medicina Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla ... suggest the utility of extra-vascular fluid for this serological research. We recognise the c-ELISA test ... as the best option in this regard, and suggest that Bvclcelln spp. has an extended distribution and ... INTRODUCTION Brucellosis is an infectious disease that mainly affects the reproductive system of animals ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Auteur(s): Blank, O., P. Retamal, P. Abalos and D. Torres

10. WG-SAM-08

    /03 List of documents WG-SAM-08/04 ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN ... ) WG-SAM-08/05 EXPLORATORY ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH ... , Russia Date(s):  Monday, 14 July 2008 to Tuesday, 22 July 2008 Submissions Due:  Monday, 30 June 2008 ... Meeting documents Doc Number Title WG-SAM-08/01 Agenda for the Working Group on Statistics, Assessments ...

    Meeting

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