Résultats de la recherche

1. Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability

   on pelagic ecosystems.  Here, we used length frequencies from bi-annual surveys conducted one month ... apart to estimate growth rates of one the most euphausiids in the Southern Ocean, Thysanoessa macrura ... . We analyzed data from four separate years (1995, 1998, 2001, 2004) that varied widely in temperature ... growth. Growth rates of T. macrura varied between years and water masses, ranging from-0.037 mm day-1 in ...

   Meeting Document : WG-EMM-13/39 : Auteur(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)

2. Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia

   a fish's past history. As part of an effort to study Antarctic fish growth and population ... necessity for an errorless estimation of age. Age determination can provide basic life history information ... , including mortality, population age structure, and changes in individual growth. Most investigations have ... periodicity in Antarctic hydrographic conditions, age determination of Antarctic fish has proven to be ...

   Meeting Document : SC-CAMLR-VI/BG/43 : Auteur(s): R. Radtke (USA)

3. Integrated analysis of the by-catch data in the Ross Sea toothfish fishery

   significant varied across years and by SSMU and among longline gear types.  The spatial-temporal heterogeneity ... the CCAMLR Article II the following activities are proposed: investigations of spatial-temporal ... . Author(s):  S. Kasatkina Title:  Integrated analysis of the by-catch data in the Ross Sea toothfish ...

   Meeting Document : WG-FSA-16/13 Rev. 1 : Auteur(s): S. Kasatkina

4. REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ... Abstract:  A previous study on the age and growth of Amblyraja georgiana in the Ross Sea suggested ... that these skates initially grow very rapidly for about five years, after which growth almost ceases ... (Francis and Ó Maolagáin, 2005). We present an alternative interpretation of age and growth in A. georgiana ...

   Meeting Document : WG-FSA-08/21 : Auteur(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)

5. An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6

   season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... (Sinègre et al., 2017b), this assessment accounts for (1) updated data (2017/2018 & 2018/2019) (2 ... than the one obtained in 2017, with an estimate of 54 610 tons (48 560-60 880). The estimate of the ... , State-space model, Population dynamic model Author(s):  F. Massiot-Granier, G. Duhamel and C. Péron ...

   Meeting Document : WG-FSA-2019/57 Rev. 1 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron

6. An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1

   fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... support the estimation of year class strenght (YCS) and selectivity functions. Compared to the previous ... data (2017/2018 & 2018/2019), (2) updated growth parameters, (3) updated priors on YCS and period ... B0 than the one obtained in 2017, with an estimate of 206 200 tons (CI: 194 130 – 218 380). The ...

   Meeting Document : WG-FSA-2019/58 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron

7. Some aspects of the by-catch fish spawning and oogenesis

   , D'Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ... spawning portion of some large females was only about 1000-1500 yolk oocytes One of the by catch fish ... Antarctic toothfish fishery. Author(s):  V. Prutko (Ukraine) and D. Chmilevsky (Russia) Title:  Some aspects ...

   Meeting Document : WG-FSA-10/51 : Auteur(s): V. Prutko (Ukraine) and D. Chmilevsky (Russia)

8. Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean

   -tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... PEI, and 80 ± 4% for the simulation. Seasonal and annual absences of seals from MI violate the ... ‘homogeneity of capture’ assumption of mark–recapture models. When multiple sightings during any year are ... mortality and local migration. Author(s):  W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr ...

   Meeting Document : WG-EMM-10/P16 : Auteur(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr

9. Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands

   were 69-97 tonnes (average 80 t), 7-91 1 tonnes (average 325 t) and 50-210 tonnes (average 120 t ... modified for the Heard Island area to allow catches of by-catch species of up to 100 kg in any one haul ... . However, if this level is exceeded by any one of the by-catch species then the 5% rule should be enforced ... . Author(s):  de la Mare, W.K., Williams, R., Constable, A. Title:  Assessments of by-catch in trawl ...

   Meeting Document : WG-FSA-97/30 : Auteur(s): de la Mare, W.K., Williams, R., Constable, A.

10. Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region

    in the southern Ross Sea, data from two tags were reported via Argos (one with full data, one with ... objectives  were to characterize movement and habitat preferences, compare two different commercially ... after the 2015/16 toothfish fishing season had ended. A total of 10 PSAT tags from two manufacturers ... partial). On the northern seamounts, two of 3 PSAT tags scheduled to pop-off on February 1, 2017 reached ...

    Meeting Document : WG-SAM-17/33 : Auteur(s): C.D. Jones and S.J. Parker

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