Résultats de la recherche

1. Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates

   Abstract:  Dynamics of distribution, growth, life span and feeding were studied in the endemic ... Antarctic euphausiid Euphausia crystallorophias in the central part of the Indian sector of the Southern ... Ocean during the austral summer, from 1977 to 1990, and in the Lazarev Sea during the summer 1990/91 ... . Both larvae and adult E.crystallorophias were found in abundance in shelf waters of 100-500 m depth ...

   Meeting Document : WG-Joint-94/10 : Auteur(s): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)

2. INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA

   Abstract:  Through generalised linear models, the gonadosomatic index of Antarctic toothfish in ... observers’ staging data were highlighted and GSI is recommended as a better indicator of maturity status in ... vitellogenic fish with low GSI values, in some cases below 1%. In most studies there was little if any ... difference in the GSI values of fish at different maturity stages. However these studies were carried out on ...

   Meeting Document : WG-FSA-08/48 : Auteur(s): S. Mormede, S. Parker and P. Grimes (New Zealand)

3. Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf

   Islands shelf in the period from 1970 to 1991, dynamics of size- age structure of marbled rockcod ... the data collected in the joint Soviet-French expedition on board RTMA Orlinoye in May-Jine 1991 were ... used to characterise the age composition. It was determined that in the initial years of exploitation ... a result of fisheries, the share of the fish spawning for the first time increased considerably in ...

   Meeting Document : WG-FSA-94/04 : Auteur(s): P.B. Tankevich (Ukraine)

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

   which vary in space and time. Because species specific responses in growth rates to environmental ... variability may affect populations through changes in reproductive potential, measuring spatial and temporal ... variability in growth rates of highly abundant zooplankton is critical to predict the impact of climate change ... apart to estimate growth rates of one the most euphausiids in the Southern Ocean, Thysanoessa macrura ...

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

5. PROPOSITION DE CAMPAGNE DE RECHERCHE FINANCEE PAR LA CCAMLR VISANT A SURVEILLER L'ABONDANCE DES PRE-RECRUES DE LEGINE ANTARCTIQUE DANS LE SECTEUR SUD DE LA MER DE ROSS

   years in Subarea 88.1 and for nine years in Subarea 88.2. The research and assessment work in these ... estimate of the fisheries potential yield. However, one source of ongoing uncertainty in the stock ... assessment concerns recruitment dynamics. Pre-recruit Antarctic toothfish fish are caught in various ... locations during fishing operations. However, different vessels catch different length classes in different ...

   Meeting Document : SC-CAMLR-XXX/07 : Auteur(s): Delegation of New Zealand

6. Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery

   species had become depleted around the South Shetland Islands. Herein we report subsequent changes in the ... prevalence of three species, Notothenia rossii, Gobionotothen gibberifrons and N otothenia coriiceps in ... Potter Cove, King George Islands/ Isla 25 de Mayo, in a 33-year effort to monitor recovery. N. rossii and ... G. gibberifrons had been severely impacted by industrial fishing but in offshore waters N. coriiceps ...

   Meeting Document : WG-FSA-17/P01 : Auteur(s): E. Barrera-Oro, E. Marschoff and D. Ainley

7. A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)

   role in the Ross Sea pelagic ecosystem (Marr, 1962; Azzali et al., 1999). To estimate the abundance of ... obtain information about the mean size (length) of the organisms in each aggregation. In principle the ... , and directly from net samplings. The mean size of the crustaceans can be estimated from “in situ ... catches. Unfortunately the precision and credibility of this method are often insufficient when applied in ...

   Meeting Document : WG-EMM-01/63 : Auteur(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)

8. INFORMATIONS SUR LA PECHE ILLICITE DANS LA ZONE STATISTIQUE 58 EVALUATION DE LA PECHE ILLICITE DANS LES EAUX FRANCAISES ADJACENTES AUX ILES KERGUELEN ET CROZET RAPPORT DES OBSERVATIONS ET INSPECTIONS EN ZONE CCAMLR SAISON 2010/2011 (1er JUILLET 2010 – 15

   .  It also includes an analysis of developments in IUU fishing and proposes ways of improving actions ... taken to fight it. The geographical area covered in this study comprises Statistical Subarea 58.6 and ... agreement established between these two countries in 2003. This surveillance system has been operational ... throughout the year.  It has proved to be effective, in that there is no longer any sign of IUU fishing in ...

   Meeting Document : CCAMLR-XXX/34 : Auteur(s): Délégation française

9. Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)

   deployed during the day. and (4) bottom trawl deployed at night. Catches were characterized in terms of ... crabs captured in large-meshed traps was larger than those captured in small-meshed traps which, in turn ... , were larger than those caught in the trawl; the size of crabs caught in the trawl at night was larger ... than those caught during the day; 2) large-clawed crabs predominated in the catches from traps whereas ...

   Meeting Document : WS-CRAB-93/11 : Auteur(s): J.M. Hoenig and E.G. Dawe (USA)

10. Review of the 2007 budget, draft 2008 budget and forecast budget for 2009

    . The presentation is in the format determined by the Commission at its 2002 Meeting. The expenditure ... surplus includes an unbudgeted, half-year New Member Contribution of A$53 312 in respect of the People’s ... Republic of China, which applied to become a member of the Commission in July 2007. General Services Staff ... salary increases in 2007 amounted to 6.5%, but part of this is offset by an increase in the Staff ...

    Meeting Document : CCAMLR-XXVI/04 : Auteur(s): Executive Secretary

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