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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

    that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of coefficient ... blocks, in order to promote successful stock assessment. We tentatively examined the degree of coverage ... of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... freely between the separated lines. In this way, over-concentration of catch and effort can be avoided ...

    Meeting Document : WG-FSA-13/38 : Autor(es): Delegation of Japan

  2. Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)

    ) around Shag Rocks and the mainland of South Georgia was analyzed from c. 8,700 stomachs collected in ... Thysanoessa species. The proportion of krill and Themisto in the diet varied considerably between the three ... seasons, whereas the proportion of mysids in the diet remained fairly constant. Krill which has a high ... energy content appears to be the prefered diet. In years of krill shortage, such as in 1991, krill is ...

    Meeting Document : WG-FSA-93/24 : Autor(es): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)

  3. Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea

    fish distribution at different stages of physiological state. Juvenile fish mainly distribute in the ... south, immature fish- in the cast and southwest, while adult at the north of the shelf. It was revealed ... of fish above 25 cm in length occur in the northern shelf and associate to migrations of krill being ... biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia ...

    Meeting Document : WG-FSA-99/65 : Autor(es): Zh.A. Frolkina (Russia)

  4. Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees

    of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... ) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ... from the literature, the abundance model explained 34% of the variance in surface concentrations of ...

    Meeting Document : WG-EMM-10/P14 : Autor(es): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve

  5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15

    slight reduction in mean age in SSRU 88.2H, but the data are very uncertain due to the paucity of otolith ... biological characteristics of the catch of Antarctic toothfish up to and including the 2015 season. In 2015 ... not to be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea ... three years. The strong mode of smaller (90–120 cm TL) toothfish present in the Slope fishery from 2010 ...

    Meeting Document : WG-FSA-15/36 : Autor(es): K. Large, S.M. Hanchet and S. Mormede (New Zealand)

  6. Background information to support development of a feedback management strategy for the krill fishery in Subarea 48.1

    information needed to support development of a feedback management strategy for the krill fishery in Subarea ... Subarea 48.1 will both facilitate and expedite the allocation of a catch limit in the subarea without ... review the logic for these gSSMUs and then use the gSSMU concept in many of the vignettes that follow. In ... fourth vignette, we examine how temporal variability in the seasonal sea-ice coverage of gSSMUs is ...

    Meeting Document : WG-EMM-16/45 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

  7. Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan

    schedule toward the submission. We investigated the biological features of D. mawsoni in the Subarea and ... WG-SAM meeting in 2016. Predicted numbers of tag recaptures from the estimated stock sizes using ... Chapman were relatively consistent with the observed numbers for D. mawsoni in the southern area of block ... the next season generally based on precautionary exploit rate of 4 % of the Chapman estimates. In ...

    Meeting Document : WG-FSA-16/32 Rev. 1 : Autor(es): Delegations of Japan and South Africa

  8. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

    combined catch limit of 3451 t. The subarea catch limit was almost reached in both Subarea 88.1 and 88.2 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ... are beginning to emerge concerning the size distribution of fish from the different areas in Subareas ... as well as the occurrence of small juveniles in much deeper water on the continental slope in Subarea ...

    Meeting Document : WG-FSA-06/29 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

  9. An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

    primarily based on the 2005 assessment implemented in the Generalised Yield Model (GYM) using survey data of ... mark-recapture data generally improves the confidence in the estimates of B0 and the recruitment series ... to appropriately accommodate this uncertainty in the estimate of long-term annual yield. Further ... approaches being used to estimate the key parameters. An important stage in the development of this ...

    Meeting Document : WG-FSA-SAM-06/14 : Autor(es): A. Constable, S. Candy and I. Ball (Australia)

  10. Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002

    estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... are also available. The bottom biomass resulted in the estimate of 62,328.0 tonnes. The sum acoustic ... estimate of the icefish biomass in the subarea of South Georgia amounted to 92.6 thous. tonnes. Nearly 30 ... % of this biomass was concentrated in the pelagic zone. If acoustic estimates of pelagic and bottom ...

    Meeting Document : WG-FSA-02/44 : Autor(es): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
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Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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