Résultats de la recherche

1. Review of biological parameters for Ross Sea skates

   is 14 years. However this may be a considerable underestimate, and true longevity may exceed 20 years ... taken as bycatch in the Ross Sea toothfish fishery: Amblyraja georgiana and Bathyraja cf. eatonii ... . Differences in length-weight relationships among regions raise doubt about the conspecificity of A. georgiana ... (TL). The length at maturity of females is not well determined but is probably in the range 95–100 cm ...

   Meeting Document : WG-FSA-06/31 : Auteur(s): M.P. Francis (New Zealand)

2. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ... beam monostatic system in a 10 m3 laboratory tank. Krill (grouped according to length classes) swam ... freely in the tank triggering the data acquisition system when generating a back scattered signal larger ...

   Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.

3. Biodiversity of the benthos off Kerguelen Islands: overview and perspectives

   have been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated at the ... then to 960 in the present study. This area is particularly vulnerable to human activities and global ... climate forcing on coastal benthic assemblages; (2) assess the benthic community changes in relation to ... Abstract:  The Kerguelen Plateau possesses a very diverse benthic fauna. Over the years, the ...

   Meeting Document : WS-MPA-11/P03 : Auteur(s): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï

4. Use of a population model to assess the impact of longline fishing on wandering albatross populations

   time lag of 5-10 years before further decreases in population numbers are reflected in the breeding ... rate of 2.29% per year, which concurs with global population trends. Sensitivity analyses of model ... eleginoides in Antarctica. Assuming longline fishing operations affect juveniles more than adults, there is a ... population. Also, because wandering albatrosses are long-lived, population growth rates take approximately 30 ...

   Meeting Document : WG-IMALF-94/08 : Auteur(s): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)

5. Admiralty Bay (South Shetland Islands) - long-term marine monitoring program

   the site of comprehensive environmental studies over the last 30 years and existing data sets provide ... Abstract:  Dynamic climate changes have become noticeable in recent decades, especially in the ... biotic elements in Admiralty Bay. In this paper we provide WG-EMM with an update on proposed project ... ) marine monitoring program in the region of Admiralty Bay was started. Biological, chemical and geological ...

   Meeting Document : WG-EMM-15/47 : Auteur(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)

6. Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season

   Abstract:  During the 2017/2018 toothfish season in the Ross Sea, the New Zealand flagged Janas ... trialled a scientific electronic monitoring system during fishing operations in the Ross Sea region. The ... fishing activities. The trial showed that 1) the systems performed well in Antarctic conditions, 2) video ... assist in improving the accuracy of data recording by observers, as well as allowing observers more time ...

   Meeting Document : WG-SAM-18/20 : Auteur(s): B. Plum, A. Smith and S. Parker

7. Observation on interactions between marine mammals and krill mid-water trawl

   carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... Arctocephalus gazella were observed around the vessel during the vessel fishing in the Subarea 48.3, no ... identified marine mammal was observed in the main body of trawl net. There was no marine mammal by-catch ... and krill mid-water trawl Microsoft Word File:  sc-38-bg-20.docx Approval:  Approved Secretariat ...

   Meeting Document : SC-CAMLR-38/BG/20 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu

8. BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007

   years in which no fisheries related debris was observed, one nylon fishing line and one snood were found ... Abstract:  During the seventeenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia (covering the period 1 October 2006 to 30 September 2007) a total of 365 items were ... collected. This represents a reduction by 33% on the 544 items recorded in 2005/06 and a decrease in mass of ...

   Meeting Document : WG-FSA-08/24 : Auteur(s): F. Le Bouard (UK)

9. Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island

   than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ... and, to a lesser extent, adult survival. These survival changes were coincident with changes in ...

   Meeting Document : WG-FSA-04/50 : Auteur(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)

10. The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)

    Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... Abstract:  The most abundant icefish species observed in catches off the northern tip of the ... Joinville – D’Urville Islands (CCAMLR Statistical Subarea 48.1) and in the Cosmonauts and Cooperation Seas ... and Prydz Bay in the Indian Ocean sector (CCAMLR Statistical Division 58.4.2). This paper presents new ...

    Meeting Document : WG-FSA-07/P1 : Auteur(s): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))

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