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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands, 1998/99
entangled but had lost their collars by the time of observation. All of the animals involved were juvenile ... males, the main component of the population at this time of year. The number of sightings increased by ... entangled fur seals had also increased (by 84%) since 1997/98 and decreased (by 8%) since 1996/97. Packaging ...
Meeting Document : SC-CAMLR-XVIII/BG/06 : Autor(es): Delegation of the United Kingdom
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
used in marine ecosystems in which diet determination by more direct methods is difficult and sometimes ... profiles determined by temperature programmed gas chromatography. Possible prey species collected from ... . Southern elephant seal data could be distinguished from Antarctic fur seals by lower levels of the fatty ... acids 16:4 n1, 18:2 n6, 18:4 n3, 18:4 n1 and 20:5 n3 and by higher levels of 18:0, 18:1 n9/ n11 (i.e. 18 ...
Meeting Document : WG-EMM-99/44 : Autor(es): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
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INDICATIVE ESTIMATES OF BIOMASS AND YIELD OF WHITSON’S GRENADIER (M. WHITSONI) ON THE CONTINENTAL SLOPE OF THE ROSS SEA IN SUBAREAS 88.1 AND 88.2
ratio of the by-catch limit for macrourids to the catch limit for Dissostichus spp. in Division 58.5.2 ... bottom trawl surveys (IPY_CAML and BioRoss) have recently been carried out by New Zealand on parts of the ... those recorded for M. carinatus on Banzare Bank. Because the strata covered by the New Zealand surveys ... area were made by extrapolating the more recent IPY-CAML survey catch rates across the entire slope ...
Meeting Document : WG-FSA-08/32 : Autor(es): S.M. Hanchet, D. Fu and A. Dunn (New Zealand)
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A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
. As a new approach, we also estimate Weddell seal food requirements by considering nutritional quality ... -energy food resource for Weddell seals that possibly cannot be adequately replaced by other prey, in ... populations on toothfish, and hence possible impacts of toothfish removal by fisheries, is primarily hindered ... by (a) insufficient information on Weddell seal diet, due to inadequate temporal coverage and biased ...
Meeting Document : WG-EMM-13/28 : Autor(es): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)
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Diets of Antarctic toothfish estimated from fatty acids and stable isotopes
Antarctic toothfish, by-catch and their stomach contents were collected for the past five years in the eight ... characterized by high proportions of monounsaturated FAs and low proportions of polyunsaturated FAs, differing ... were well established by self-organizing map (SOM) analysis. Similar FA profiles and SI values of ... shifts on the nonmetric multidimensional scaling plot and the SOM map by realistic diet proportions ...
Meeting Document : WG-FSA-17/12 : Autor(es): C.-K. Kang, S.-G. Choi, J. Lee, J. Lee and D. An
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
(WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... methods employed for consideration by the ad hoc Working Group on Incidental Mortality Arising from ... implemented by Japanese vessels during the 2003 krill fishing season around South Georgia (Japan Deep Sea ... Working Group on Ecosystem Monitoring and Management (WG-EMM) in Siena, Italy, the UK reported on the by ... requested that the UK provide further details of the methods employed for consideration by the ad hoc ... seal entanglements, are similar to the two systems implemented by Japanese vessels during the 2003 ... Management (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Autor(es): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008
/ Description: Species composition and abundance of myctophid fish were analysed using the fish by-catch ... samples collected by scientific observers on board Japanese commercial krill fishing vessels in the area ... 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... scientific data on fish by-catch. Japan ini- tiated on-board scientific observer activities in the 1989/90 ... krill trawl fishery. As pointed out by Collins et al. (2008), the eco- logical role of myctophid fish ... and abundance of myctophid fish were analysed using the fish by-catch samples collected by scientific ... identified in the by-catch samples, among which Krefftichthys anderssoni, Gymnoscopelus nicholsi and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Autor(es): Iwami, T., M. Naganobu, K. Taki and M. Kiyota
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e-sc-xxix.pdf
... invertebrate by-catch ............................................................. 19 Data reporting for by ... ................................................................................. 38 Statements by Observers ............................................................... 40 IUU ... meeting was chaired by Dr D. Agnew (UK). 1.2 The Chair welcomed to the meeting representatives from ... during the meeting is given in Annex 2. 1.5 The report of the Scientific Committee was prepared by Drs
application/pdf attached to:SC-CAMLR-XXIXMeeting Report : SC-CAMLR-XXIX
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The use of patent databases to predict trends in the krill fishery
currently informed by data on annual catches and by CCAMLR’s annual notification procedure. There has been ... krill fishery. The Scientific Committee has recommended that the patent database be maintained by the ... soon increase to unprecedented levels (Schiermeier, 2010a). This concern has been prompted by ... Members participating in the fishery. Trends in the krill fishery are currently informed by data on ... annual catches and by CCAMLR’s annual notification procedure. There has been considerable discussion ... . The Scientific Committee has recommended that the patent database be maintained by the Secretariat so ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Autor(es): Foster, J., S. Nicol and S. Kawaguchi
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e-sc-xxix-a8.pdf
... scientific issues identified in the PRP Report .............................. 319 FISH AND INVERTEBRATE BY ... -CATCH ................................................ 320 By-catch in trawl fisheries ... ................................................................. 321 By-catch in longline fisheries ... reporting for by-catch species ....................................................... 322 Year-of-the
application/pdf attached to:WG-FSA-10Meeting Report : WG-FSA-10