Résultats de la recherche

1. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   total target strengths (TTS) of crustaceans with markedly different shapes (i.e. Mysidacea, a mix of ... strength (TS) cannot be estimated accurately by a linear function of log10 (L), irrespective of shape, and ... , additional measurements of TTS over a range of frequencies, sizes and maturity stages will further improve ...

   Meeting Document : WG-EMM-04/40 : Auteur(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

2. Proposal for the removal of night setting requirement for autoline vessels fishing in Division 58.5.2

   results of the first two years longline fishing in 58.5.2: a total of 2.2 million hooks have been set and ... and September, night setting, the requirement for a minimum line sink rate, the use of paired streamer ... streamer lines (the contribution to by-catch reduction of a minimum line sink rate and streamer lines, used ...

   Meeting Document : WG-FSA-04/73 : Auteur(s): G. Robertson and B. Baker (Australia)

3. Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands, 1998/99

   66% since the previous season but was 17% lower than 1996/97. Data are compared with results from a ... bands and synthetic line were the main entangling materials at both sites although a greater proportion ... environment or to illegal un-monitored fishing activity. The prevalence of synthetic line is also a cause for ...

   Meeting Document : SC-CAMLR-XVIII/BG/06 : Auteur(s): Delegation of the United Kingdom

4. Distribution, abundance and acoustic properties of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   Abstract:  Antarctic silverfish (Pleuragramma antarcticum) is a key link between plankton and the ... species. A combined trawl and acoustic survey of silverfish was carried out on the western Ross Sea shelf ... 500 m. A weak layer at about 80 m depth was associated with juvenile silverfish of 50–80 mm standard ...

   Meeting Document : WG-FSA-10/P04 : Auteur(s): R.L. O’Driscoll, G.J. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet

5. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   -SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in such a way ... sizes turned out to be larger in many blocks and smaller in a few blocks over the data poor-fisheries ...

   Meeting Document : WG-FSA-13/38 : Auteur(s): Delegation of Japan

6. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

   last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... sizes turned out to be larger in many blocks and smaller in a few blocks over the data poor-fisheries ...

   Meeting Document : WG-FSA-13/39 : Auteur(s): Delegation of Japan

7. Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica

   and tested for a relationship between these estimates and penguin colony sizes. We used distance ... breed. We found a strong log-log linear relationship between numbers of skuas and penguin breeding pairs ... areas surveyed and recalculating abundances. We propose to validate the model by surveying skuas at a ...

   Meeting Document : WG-EMM-14/55 : Auteur(s): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)

8. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ... coverage, we also define a stratum within the survey area on the north side of the islands with full ... high, in the range 100-300 g/m 2 based on the 120 kHz recordings, and a total estimated biomass of ca ...

   Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

9. Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 for the exploratory longline fishery in 2014/2015 of Korea

   Abstract:  The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... as a part of Korean research plan for the exploratory longline fishery for Dissostichus spp. during ... .  mawsoni were studied using 549 specimens (74 to 181 cm in body length).  D. mawsoni is a carnivore and ...

   Meeting Document : WG-FSA-15/57 : Auteur(s): Delegation of the Republic of Korea

10. Classification of Southern Ocean krill and icefish echoes using Random Forests

    Abstract:  Target identification remains a challenge for acoustic surveys of marine fauna ... . Antarctic krill, Euphausia superba, are typically identified through a combination of expert scrutiny of ... population could indicate the magnitude of this bias, but first a reliable target identification method is ...

    Meeting Document : WG-EMM-16/23 : Auteur(s): N. Fallon, S. Fielding and P. Fernandes

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