Résultats de la recherche

1. Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series

   first survey was completed in February 2012, and the second survey in February 2013. In this paper we ... provide results of the third survey in the time series. The objectives of this third survey were: (1) To ... carry out a longline survey to monitor subadult toothfish in the southern Ross Sea (strata A–C) using ... standardised gear in a standardised manner; and (2) To sample additional experimental stations in an adjacent ...

   Meeting Document : WG-FSA-14/51 : Auteur(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)

2. Results of the fourth CCAMLR sponsored research survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2015 and further development of the time series

   (<110 cm) toothfish for the core strata showed a significant decline in this fourth year of the ... first three surveys were completed in February 2012, 2013, and 2014. In this paper we provide results of ... the fourth survey in the time series. The objectives of this survey were: (1) To carry out a longline ... survey to monitor sub-adult toothfish in the southern Ross Sea (strata A–C) using standardised gear in a ...

   Meeting Document : WG-SAM-15/44 : Auteur(s): S.M. Hanchet, B.R. Sharp, S. Mormede, S.J. Parker (New Zealand) and M. Vacchi (Italy)

3. To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?

   Abstract:  Information on type C killer whales in the Ross Sea region is reviewed, in particular ... potential for foraging innovation) means that they are particularly vulnerable to changes in the ecosystem ... . It is also possible that changes in killer whale feeding can affect the structure and stability of ... item for type C killer whales in the Ross Sea: (1) type C killer whales near McMurdo Sound have been ...

   Meeting Document : WG-EMM-13/29 : Auteur(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)

4. Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013

   Pleuragramm antarcticum, including confirmation of the first known nursery ground in Terra Nova Bay. However ... , there is still much unknown about larval fish distribution in the Ross Sea, Antarctica. During a United ... States National Science Foundation research cruise in the late austral summer 2013, we opportunistically ... sampled the icthyoplankton community at 17 locations in the western Ross Sea as well as one location in ...

   Meeting Document : WG-EMM-14/38 : Auteur(s): C. Brooks and K. Goetz (USA)

5. SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2010/11

   -EMM last year (SC-CAMLR-XXVIII, Annex 4, Paragraph 3.32), the essential information contained in krill ... Abstract:  SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2010/11 Secretariat In accordance with ... Conservation Measure 21-03, seven Members notified their intentions to participate in krill fisheries in ... Subareas 48.1, 48.2, 48.3 and 48.4 and Divisions 58.4.1 and 58.4.2 in 2009/10 (Table 1); there was no ...

   Meeting Document : CCAMLR-XXIX/19 : Auteur(s): Secretariat

6. LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION

   interannual variation in fitness. These species maximise fitness by keeping a low inter-annual variance in the ... survival of adults and in their propensity to breed annually, which are the vital rates that influence most ... the variability in population growth rate (λ). All these species have been able to buffer these rates ... against the effects of recent climate-driven habitat changes except for Antarctic fur seals, in the ...

   Meeting Document : WG-EMM-08/P05 : Auteur(s): J. Forcada, P.N. Trathan and E.J. Murphy

7. Factors influencing Antarctic krill distribution in the South Shetlands

   Abstract:  The influences of biological and physical factors in the environment upon krill ... (Euphausia superba) distribution were studies in the area north of South Shetland Islands during 1990/91 ... austral summer. Krill showed a distinct offshore-inshore heterogeneities in abundance and maturity stage ... in mid-summer the abundance was low in the oceanic zone (8.5 g/m2), while higher in the slope frontal ...

   Meeting Document : WG-KRILL-93/38 : Auteur(s): T. Ichii, H. Ishii and M. Naganobu (Japan)

8. Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991

   fishing vessel More Sodruzhestva in April to August 1991 in Subareas 48.2 and 48.3. The program included ... channichthyids. In general, krill density in Subarea 48.2 was twice as high as that in Subarea 48.3. Catch-per ... dominant in catches taken in April/May in the north-west of Subarea 48.2. Krill of modal sizes 31 to 32 mm ... and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ...

   Meeting Document : WG-KRILL-92/06 : Auteur(s): V.I. Latogursky (Russia)

9. Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea

   was started in 2012. The first year established the feasibility of carrying out a random stratified ... total length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance ... data show the appearance of a strong year class in 2012 which progressed through each year to 2017 and ... the appearance of a second strong year class in 2016. Although the changes in age frequency were ...

   Meeting Document : WG-FSA-17/57 : Auteur(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp

10. AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES

    (rattails) and other bycatch species in the toothfish autoline longline fishery. A company vessel carried ... out some initial experimental work in the western Ross Sea (CCAMLR Statistical Subarea 88.1) in 2007 ... Aspiring operating in the waters of South Georgia and the South Sandwich Islands (CCAMLR Statistical ... were set in both Subareas; a total of 137,000 experimental hooks. The evaluation was based on ...

    Meeting Document : WG-FSA-08/52 : Auteur(s): J.M. Fenaughty (New Zealand)

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