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1. Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)

   integral part of Area 48 is discussed. It is shown that in this case there shall be obtained for the first ... time for the recent twenty years the material which allows to have an idea of krill simultaneous ... concentration of fishing grounds between the Antarctic Peninsula and the most southern Sandwich Islands up to 20 ... ° W. It is emphasized that in this way there shall be obtained the data that are important both to ...

   Meeting Document : WG-EMM-99/43 : Автор(ы): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)

2. The state of exploited fish stocks in the Southern Ocean - a review

   Union since more than 20 years. The total yield from the Southern Ocean has been 2.85 million tonnes ... until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... (mainly South Georgia) while the remaining one third originated primarily from the Kerguelen waters in the ... most heavily affected by fishing are those of Notothenia rossii in both sectors, Notothenia squamifrons ...

   Meeting Document : SC-CAMLR-X/BG/13 : Автор(ы): Delegation of Germany

3. Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)

   least 27 years; in M. caml, full size is attained at about 15–20 years of age and they can live in ... excess of 60 years. However, sexual maturity in female M. whitsoni is reached at longer length and older ... Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ...

   Meeting Document : WG-FSA-12/54 Rev. 1 : Автор(ы): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)

4. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

   Paper Title:  Spatially explicit population dynamics models for Antarctic toothfish in the Ross ... stage transition in a holistic framework. Using this software, three spatially explicit age-structured ... models were developed for the Antarctic toothfish (Dissostichus mawsoni) population in the Ross Sea ... (years) 0 5 10 15 20 25 30 0 ... 5 10 15 20 25 30 Age (years) 1.0 0.8 ... median movement of tagged and recaptured fish is about 30 km in a year (Parker et al., 2013). The ... al. 20 one or the other of these methods are available in various stock assessment modelling ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Автор(ы): Mormede, S., A. Dunn, S. Hanchet and S. Parker

5. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description ... of fish as krill predators in the Southern Ocean is critical to understanding how changes in fish ... abundance, such as through fishing or environmental change, are likely to impact on the food webs in the ... region. First attempts to estimate the krill and pelagic food consumption by Antarctic demersal fish in ... sold salted in some quantities to Buenos Aires a few years after whaling had begun. However, it took ... spp.) in the 19th cen- tury and the large baleen whales in the first 80 years of the 20th century ... . Nototheniids and channichthyids have a life span of typically 10–20 years (Kock et al., 1985; La Mesa et al ... in the diet of E. antarctica was conservatively estimated at 20%. Estimates were limited to ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Автор(ы): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

6. Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region

   to be developed to assess the ASR for 2018, as recommended by Scientific Committee in 2016. Author(s ... shown promising results to date, with 8 interseason tags recaptured in the South area in 2016 and 12 ... (preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ...

   Meeting Document : WG-SAM-17/40 : Автор(ы): S. Mormede and S. Parker

7. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.2

   Dissostichus spp. in SSRU A (catch limit for Dissostichus spp.: 30 tonnes; final reported catch: 13 tonnes ... applies to this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 ... December to 30 November Same period By-catch Regulated by CM 33-03 Carry forward Mitigation In ... ................................................................ 11  Throughout this report the CCAMLR fishing season is represented by the year in which that ...

   Document : Site Section: Publications

8. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ...

   Meeting Document : WG-EMM-16/21 : Автор(ы): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

9. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

   Paper Title:  Quantifying vessel performance in the CCAMLR tagging program: spatially and ... tagging program is critical to the successful management of a number of toothfish fisheries in Antarctica ... . In particular, tag-detection rates are directly linked to stock size estimated from the tag data in ... an integrated stock assessment. Previous attempts to assess the relative reliability of vessels in ... calculation by using CCAMLR Science, Vol. 20 (2013): 73–80 73 QuantIfyIng vessel performance In the ccamlr ... , and ends when the quota has been fully caught which, in recent years, has been between 15 January ... of tagged toothfish within season for most years (Figure 1). The method is applied in three ... were to investigate changes in performance of ves- sels between years. Due to the limited sample size ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Автор(ы): Mormede, S. and A. Dunn

10. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

    , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... Abstract:  An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... 2016. The lower SST anomalies corresponds to the higher SICs in 2019 both in research blocks 4 and 5 ...

    Meeting Document : WG-SAM-2019/15 : Автор(ы): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

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