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1. The Patagonian toothfish: biology, ecology and fishery

   toothfish are a long-lived species (> 40 years), which initially grow rapidly on the shallow shelf areas ... , before undertaking an ontogenetic migration into deeper water. Although they are active predators and ... habitat at around 100 mm (1 yr old), and inhabit relatively shallow water (< 200m) until 6-7 years of ... age, when they begin a gradual migration into deeper water. As juveniles in shallow water, toothfish ...

   Meeting Document : WG-FSA-10/P05 : Autor(es): M.A. Collins, P. Brickle, J. Brown and M. Belchier

2. Preliminary assessment of Patagonian toothfish in Subarea 48.3

   and to catch at age observations and achieves this by assuming a different selection pattern for the ... catch at age data. MCMC diagnostics and trace plot indicate poorer results than for previous assessments ... intermediate (1998-2003) period and a slightly changed selection pattern for the most recent period Model ... recruitment.YCS estimates which differ markedly in 1990 but follow similar trends in all other years. Recruitment ...

   Meeting Document : WG-FSA-13/30 : Autor(es): R. Scott (United Kingdom)

3. CCAMLR-XI

   1991 and appointment of an external auditor Executive Secretary CCAMLR-XI/04 Review of the 1992 budget ... hoc working group to review the Ukraine proposal for a bottom trawl survey on Ob and Lena Banks ... for the Eleventh Meeting of the Commission for the Conservation of Antarctic Marine Living Resources ... CCAMLR-XI/02 Annotated Provisional Agenda for the Eleventh Meeting of the Commission for the Conservation ...

   Meeting

4. The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia

   important constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight ... (Myctophidae) of 8 species (chiefly in the genera Electrona and Gymnoscopelus), forming 80% by numbers and 52 ... of fledging, when it decreased. Meal delivery rate was high (one per day) for young chicks (1-10 days ...

   Meeting Document : WG-CEMP-94/14 : Autor(es): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)

5. Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)

   monitoring, and the calculation of closure dates, for the 2018/19 season in the Ross Sea: The Secretariat ... Abstract:  In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... Secretariat catch and effort monitoring procedure) and proposes a revised approach for catch and effort ...

   Meeting Document : WG-FSA-18/07 : Autor(es): CCAMLR Secretariat

6. A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago

   to obtain in remote polar environments. The standard approach for income breeding pinnipeds, such as ... last decade unmanned aerial systems (UAS), or drones, have become indispensable tools for wildlife ... Telmo Islands during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and ... 333, which represents a 79% reduction since the most recent survey in 2008, and a 90% reduction from ...

   Meeting Document : WG-EMM-2019/65 : Autor(es): D.J. Krause and M.E. Goebel

7. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

   that 20 of these had molted once while the remainder molted twice. Two lines of evidence support this ... post- and pre-molt sizes using the combined data set for single and double molters. The method was also ... generalized to account for a quadratic relationship between post- and pre-molt size. For crabs in the size ... range 80-110 mm carapace width, the predicted size after molting in mm is equal to 7.398 + 1.038 x pre ...

   Meeting Document : WS-CRAB-93/12 : Autor(es): D.M. Taylor and J.M. Hoenig (USA)

8. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of the Antarctica

   Ross Dependency. Discrepancy in allelic frequency with previously published data was also found for ... differences between geographic locations or between samples collected in consequent years were observed. Our ...

   Meeting Document : WG-FSA-13/07 : Autor(es): N.S. Mugue, A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev (Russia)

9. PREDICTING THE VULNERABILITY OF BRYOZOANS AND SPONGES TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS

   characteristics and their relationships with physical and chemical variables were undertaken for habitat-forming ... age and a strong positive relationship between growth rate and temperature. A multiple regression ... model suggests that Southern Ocean bryozoans may take more than 50 years to recover following ... disturbance. Demosponges showed a strong positive relationship between maximum size and age while there were ...

   Meeting Document : WS-VME-09/12 : Autor(es): Martin-Smith, K.

10. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

    ), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... over the ranges of uncertainty for a number of model parameters. Results are provided for the ... a summer harvest. However, the imposition of an upper bound of 1.5 yr-1 on the effective annual ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... any year, an upper bound of 1.5 yr-l is placed on the effective annual fishing mortality for fully ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

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