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1. Modelling krill recruitment

   observed values of the mean proportion of recruits and its variance to model recruitment in a krill ... population in terms of numbers of recruits. The method includes the calculation of natural mortality and ... in the observed recruitment parameters.  File:  04delamare-mod-rec.pdf ... estimated. MODEL DEVELOPMENT In modelling a krill population we need, in each year of a simulation, a ... the recruitment in each year is randomly and independently distributed, then it can be shown that ... and its variance to model recruitment in a krill population in terms of numbers of recruits. The ... which are consistent with the statistical uncertainty in the observed recruitment parameters. Resume ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Автор(ы): W.K. de la Mare

2. New Zealand’s exploratory fishery for toothfish within the SPRFMO Convention Area: update and future directions

   exploratory fishery will be presented to SPRFMO Scientific Committee in 2018. Author(s):  M. Cryer, A. Dunn ... caught, that these were mostly male (~85%), and that most fish were in spawning condition or spent. These ... will be shared with CCAMLR and had been used in the stock assessment of Antarctic toothfish in the Ross ... collected in more detail than the timing of the voyages has allowed so far. In addition, to maximise the ...

   Meeting Document : SC-CAMLR-XXXVI/BG/18 : Автор(ы): M. Cryer, A. Dunn and J. Fenaughty

3. Observation on the interactions between marine mammals and mid-water krill trawl

   carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ... from late July to August then decreased in September, and over 85% of the fur seals was observed ... available in reachable shallow depth (less than 50 m), Antarctic fur seal would feed on this krill and ...

   Meeting Document : WG-FSA-2019/60 : Автор(ы): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu

4. 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 ... Secretariat has taken note of the responses to the consultation released in COMM CIRC 18/21 (CCAMLR ... fisheries in the Ross Sea. For the first 3 days of the fishery, when little information is available from ...

   Meeting Document : WG-FSA-18/07 : Автор(ы): CCAMLR Secretariat

5. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation

   -recapture data were generated for 12 years of fishing. Two alternative estimation models were programmed in ... realistic. In simulation studies of multiple years of releases, both the BODE and CCODE models gave accurate ... (ODE) for within-year population dynamics. The difference in the models derives from differences in ... other model parameters in integrated assessments via CASAL for the Heard and McDonald Islands (HIMI ...

   Meeting Document : WG-SAM-10/11 Rev. 1 : Автор(ы): S.G. Candy (Australia)

6. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   indeed likely to provide improved performance in practice. Such studies require a simple method for ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ... suggestions are made in this regard. File:  11-Butterworth-et-al.pdf ... procedure in most circumstances. An objection that has been raised to this approach is that it is ... between [0, 0.5] and [2, 20] km, and too high in the complementary ranges. The fact that the X Z values ... 18 20 22 24 26 28 Figure 1: Krill aggregations detected in the south-west Indian Ocean during FIBEX ... indeed likely to provide improved performance in practice. Such studies require a simple method for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Автор(ы): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

7. Beach debris survey - Main Bay, Bird Island, South Georgia 1993/94

   Abstract:  The fourth year of survey of beach debris at Main Bay, Bird Island reported a 20 ... % decrease in overall debris levels (225 items in 1993/94 compared with 280 items reported in 1992/93 ... that in 1992/93). Of the winter debris, 60% occurred in September, following severe gales. Nylon line ... , comprising 77% of debris, was mainly identical to material used in the long-line fishery, as indicated by ...

   Meeting Document : CCAMLR-XIV/BG/10 : Автор(ы): Delegation of the United Kingdom

8. Volume 4: CCAMLR. 1992. Statistical Bulletin, Vol. 4 (1982–1991). CCAMLR, Hobart, Australia.

   is the split-year 1 July to 30 June. Split-year data are shown under the calender year in which the ... 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Total catch reported in fine ... Figure 5 Table 5 Table 6 Table 7 Total catch in the Convention Area by species and split-year 1 ... in sections B and C and figures in sections D and E are by split-year SECTION D CATCH HISTORIES ...

   Document : Site Section: Publications

9. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

   held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ... . MEASO aims to provide a forward-looking assessment of what trends in Southern Ocean ecosystems are ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ...

   Meeting Document : SC-CAMLR-XXXVII/BG/22 : Автор(ы): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

10. CEMP cameras data validation experiment at the Galindez Island gentoo penguin (Pygoscelis papua) colonies

    ) penguin colonies are discussed. During 2017/18 and 2018/19 seasons, biologists-winterers at Vernadsky ... station (Galindez Island), GAI CEMP site, provided daily observations of 15 gentoo nests chosen in the ... 15 control nests at the three test sites. However the time delay in 1 to 3 days (7 days maximum ...

    Meeting Document : WG-EMM-2019/59 : Автор(ы): P. Khoetsky, A. Dzhulai, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyi, I. Parnikoza and L.Pshenichnov

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