Search results
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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 : Author(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)
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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 : Author(s): G. Robertson and B. Baker (Australia)
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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 : Author(s): Delegation of the United Kingdom
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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 : Author(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)
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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 : Author(s): Delegation of the Republic of Korea
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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 : Author(s): N. Fallon, S. Fielding and P. Fernandes
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Summary of research voyages in the South Orkney Islands region in 2015/16
behaviour of krill and its predators across a range of temporal and spatial scales using acoustics, nets and ... cameras. The research vessel data are linked to complementary studies undertaken from a commercial fishing ... ). The expedition used a range of scientific sampling gear and video and photographic equipment to ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Author(s): Delegations of the United Kingdom and Norway
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
shelf and slope stocks were detectable in both δ13C and δ15N values. The NFA and SI profiles show a ... pattern of differences between regional stocks. The NFA profiles of the RSS stock displays a considerable ... overlap between adults and subadults but also shows a size effect. The IOS and POS stocks showed quite ...
Meeting Document : WG-FSA-18/21 : Author(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003
. Taken the intensity of fleet operation as an example in the sub-area, it was confirmed a decrease in ... catches both for 1000 hooks and vessel/day. The given objective long-term data evidenced a substantial ...
Meeting Document : WG-FSA-03/98 : Author(s): N.V. Kokorin and A.F. Petrov (Russia)
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POPULATION SUBDIVISION IN THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) REVEALED BY MITOCHONDRIAL AND NUCLEAR SINGLE NUCLEOTIDE POLYMORPHISMS (SNPS)
Abstract: The Antarctic toothfish (Dissostichus mawsoni) exhibits a circumpolar distribution in ... coastal waters south of the Antarctic Polar Front. For a preliminary evaluation of global population ...
Meeting Document : WG-FSA-08/P01 : Author(s): K. Kuhn and P.M. Gaffney