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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001

    around Elephant Island during 27 January to 4 February 2001. Results show a spatial separation of the ... juvenile and the spawning stock. The station grid was extended to the south, where a large proportion of ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ... for a successful spawning season, was G = 0.99, indicating an early initiation of the spawning season ...

    Meeting Document : WG-EMM-01/10 : Autor(es): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)

  2. DETECTION OF COLD SEEPS AND HYDROTHERMAL VENTS

    Abstract:  Cold seeps and hydrothermal vents can be detected by a number of oceanographic and ... geophysical techniques as well as the recovery of characteristic organisms. While the definitive ... identification of a seep or vent and its accompanying fauna is seldom unequivocal without significant effort. We ... suggest an approach to identifying associated VMEs in the CCAMLR region that uses the results of ...

    Meeting Document : WS-VME-09/09 : Autor(es): Logan, G., O’Brien, P.E., Rollet, N., Kennard, J., Jones, A.

  3. DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)

    Abstract:  Three species of skates are commonly taken as incidental by-catch in the Patagonian ... . eatonii and B. irrasa are most abundant to the north and northwest of Heard Island out to the edge of the ... EEZ, and down to depths of 1100m and 1500m respectively. B. irrasa occurs much deeper, down to 2300m ... 700m, and are most abundant close to Heard Island to the north and northeast. The catch rates of skates ...

    Meeting Document : WG-FSA-09/43 : Autor(es): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)

  4. ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN

    Abstract:  A major mid-1980s shift in ecological structure of significant portions of the Southern ... Ocean was partially due to the serial depletion of fish by intensive industrial fishing, rather than ... stocks were on average reduced to <50%, and finally (mid-1980s) to <20%, of original size. Despite ... strong year classes, as is true of such fish elsewhere. A climate regime, the Southern Annular Mode, once ...

    Meeting Document : WG-EMM-08/P07 : Autor(es): D. Ainley and L. Blight

  5. A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES

    Abstract:  While the joint CCAMLR-IWC workshop will consider a number of parameters for species ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... review addresses population surveys and abundance estimates for the four species of phocid seal commonly ... spatial scope covers the circumpolar extent of pack-ice, and the temporal scope spans a period of more ...

    Meeting Document : CCAMLR-IWC-WS-08/06 : Autor(es): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.

  6. On reproduction of Electrona carlsbergi Tåning

    Abstract:  A subject of the present study is Electrona carlsbergi from the Atlantic sector of the ... Southern Ocean. Results from histological examination of gonads are presented. From materials available it ... has been ascertained that Electrona carlsbergi breeds in the notal zone. The ripening of females ... begins at body length of 76-78 mm. Vitellogenesis is asynchronous. Vitelline eggs have a diameter from ...

    Meeting Document : WG-FSA-90/20 : Autor(es): G.P. Mazhirina (USSR)

  7. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data characterisation and analysis

    Abstract:  This paper presents an analysis of data gained from a nine-year tagging programme of ... information gained about biology, growth and movement of Patagonian toothfish, and explains the overlap of ... tagging length distributions with those of the landed catch and survey data. The characterisation of tag ... ) Title:  Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data ...

    Meeting Document : WG-SAM-14/35 : Autor(es): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

  8. Estimating abundance of Antarctic fur seals at South Georgia

    Abstract:  This paper presents a description of the statistical approach developed to estimate ... abundance of Antarctic fur seals at South Georgia. The estimate is based on photographic counts of all the ... total population size carrying over multiple sources of uncertainty from estimates of proportions of ... Kingdom) Title:  Estimating abundance of Antarctic fur seals at South Georgia Approval:  Approved ...

    Meeting Document : WG-EMM-14/09 : Autor(es): J. Forcada, I.J. Staniland, A.R. Martin, A.G. Wood and P.N. Trathan (United Kingdom)

  9. Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer

    Abstract:  The main component of zooplankton in Antarctic pelagic waters, apart from copepods or ... of the penguins and pinnipeds’ diet. Admiralty Bay, because of its specific hydrological conditions ... , is an interesting area for that kind of biological study. Moreover, King George Island, where ... Admiralty Bay is located, is a region of dynamic climate characterized by variable maritime conditions which ...

    Meeting Document : WG-EMM-14/60 : Autor(es): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)

  10. Report on the survey in Subarea 48.2 in 2015 (the first year of the planned 3-year-old investigations)

    longliner SIMEIZ. 29 sets were completed during the survey. Altogether 157 specimens of Dissostichus mawsoni ... and 21 specimens of Dissostichus eleginoides were tagged.  124 otolith pairs of Dissostichus mawsoni ... and 87- Dissostichus eleginoides were collected. The average sizes of  Dissostichus mawsoni  from the ... catches made up about 156 cm. Investigated maturity stages and stomach composition of Dissostichus spp ...

    Meeting Document : WG-FSA-15/43 Rev. 1 : Autor(es): Delegation of Ukraine

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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