Résultats de la recherche

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

   , is an interesting area for that kind of biological study. Moreover, King George Island, where ... three Pygoscelis penguin species.  The data presented here is based on samples collected during an ... Euphausia superba, E. frigida, E. crystallorophias and Thysanoessa macrura. Th. macrura, compared for ... result, population structure analyses were possible only for the Th. macrura individuals. The data also ...

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

2. Uncertainty in echosounder calibrations

   and 1.4 dB for a 38.1 mm WC sphere. Vector admittance measurements were made of an ES120 transducer ... Abstract:  Calibration of echo sounders for fish stock assessment are commonly performed using the ... deviations of 0.1, 0.3, and 0.2 dB, respectively. To characterize the precision of the method for a fixed ... sphere TS versus time. Over two 15 hour periods, the measured TS ranged 1.2 dB for a 23.0 mm Cu sphere ...

   Meeting Document : WG-EMM-96/40 : Auteur(s): Soule, M.A., Demer, D.A.

3. Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity

   Abstract:  Standardised beach litter surveys at subantarctic Marion Island for the period 1996 to ... illegal fishing in this area. An exponential increase in the litter accumulation was noted in annual ... while fishing equipment also doubled during this period. An increase in the number and proportion of ... Secretariat Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for ...

   Meeting Document : CCAMLR-XVII/BG/25 : Auteur(s): Delegation of South Africa

4. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   ) if it had been an average year. The annual increase from 1976/17 to 1990/91 was 9.8% which shows that ... at the breeding grounds during the pupping period, together with corrections for the likelihood of a ... female being ashore at a census and for pregnancy rate (71 % in 1990/91), pup production was estimated as ... sites were used to estimate the pup production of the population had 1990/91 been a typical year. Based ...

   Meeting Document : WG-CEMP-92/39 : Auteur(s): I.L. Boyd (United Kingdom)

5. Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South Shetland Islands, Antarctica

   Abstract:  The trophic study of Arctocephalus gazella is an essential tool for assessing its ... diet during an annual cycle. To our knowledge, this is the first report of the feeding habits of A ... winter 2004 and summer 2004/05 on the coasts of Stranger Point, Isla 25 de Mayo/King George. For the ...

   Meeting Document : WG-EMM-15/37 : Auteur(s): A. Harrington, G.A. Daneri, A.R. Carlini, D.S. Reygert and A. Corbalán (Argentina)

6. Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method

   estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... CCAMLR standard protocols using swarm integration (SHAPES module within that software for swarm ... D. An Title:  Estimating density and biomass of Antarctic krill (Euphausia superba) around South ... Approved Delegation responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : SG-ASAM-18/08 : Auteur(s): S. Choi, K. Lee and D. An

7. Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz

   Elephant Island peripheries and the west and north of the South Shetland Island, was estimated using an ... software for swarm identification) and interval method based on distribution of (a) total krill AT and (b ... . Han, W. Oh, D. An and K. Lee Title:  Density estimation of Antarctic krill (Euphausia superba) around ... Document Release Consent:  No Delegation responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee

8. Decrease in numbers of the eastern rockhopper penguins Eudyptes chrysocome filholi at Marion Island, 1994/95 to 2002/03

   . These factors suggest an inadequate supply of food for rockhopper penguins at Marion Island. Decreases ... fledged on average 0.40 chicks per annum, an amount thought insufficient to balance mortality of breeding ... a marked increase in the contribution of fish to the diet in 1999/00 that coincided with an increase ...

   Meeting Document : WG-EMM-03/10 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, D.C. Nel, J.L. Nel, S.L. Petersen and A.C. Wolfaardt (South Africa)

9. Historical data synthesis in the Southern Ocean: Priority data sets

   give an example of an historical data rescue project that is being conducted by ICED scientists at the ... summaries of relevant data sets which we will collate in an open access document. This document should ... make data available for analysis.   Author(s):  N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda ...

   Meeting Document : WG-EMM-13/19 : Auteur(s): N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda, S.L. Hill and R.D. Cavanagh (United Kingdom) on behalf of the ICED Scientific Steering Committee

10. Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides

    by trawlers. The vessel is equipped with an automatic longline baiter which has an efficiency of ... being extremely small (0,28%). Length frequency distributions (LFD) observed for Dissostichus ... previously by trawlers in the same area. This average length is comparable for the two successive fishing ... seasons (93.4 cm in 1990/91 and 92.95 cm in 1991/92). The fish caught are for the most part adults, and a ...

    Meeting Document : WG-FSA-92/31 Rev. 1 : Auteur(s): G. Duhamel (France)

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