Résultats de la recherche
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
(Table 1). Therefore, trawlers may have decided to fish for non-green krill distributed in the oceanic ... -199912000 S. Kawaguchim and K. Segawa National Research Institute of Far Seas Fisheries 5-7-1 Orido ... fisheries since the 1973/74 fishing season. Fishing operations around the South Shetland Islands started ... Institute of Far Seas from the isobath was slightly greater in the King Fisheries has been continuously ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa
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Using ecosystem monitoring data to detect impacts
management of fish- eries in the Southern Ocean and follows a set of principles that recognise the need to ... manage fish- ery impacts on the wider ecosystem (Constable et al., 2000; Miller, 2002). One of the ... representations of uncertainty and represent the possible states of the system in the absence of fish- ing but ... approach to fisheries management include limiting the impacts of fishing on natural ecosystems. The ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
, Heidelberg, New York, Tokyo. 1. National Marine Mammal Laboratory, Northwest and Alaska Fisheries Center ... , National Marine Fisheries Service, 7600 Sand Point Way NE, Washington 98115 USA. Le nombre de voyages ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Auteur(s): Bengtson, J.L.
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
juvenile and adult stages, and ranged between 18 and 212 cm TL. The diets of fish of various sizes and both ... -species carnivore, feeding principally on fish and secondarily on crustaceans and cephalopods. The ... principal fish species in the diet of D. eleginoides on the Argentinian continental shelf were nototheniids ... (e.g. Patagonotothen ramsayi). Around South Georgia, adult D. eleginoides preyed mainly on fish ... of predatory fish. Reviews in Fish Biology and Fisheries, 4: 36-66. Cassia, M.C. and R. Perrotta ... Plata, Argentina Abstract The diet of Patagonian tootl~fish (Dissosfich~~s clegit~oides) was ... adult stages, and ranged between 18 and 212 cm TL. The diets of fish of various sizes and both sexes ... carnivore, feeding principally on fish and secondarily on crustaceans and cephalopods. The principal fish ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Attribtuion of acoustic echoes to squid in the south Atlantic
and four knots, was designed for catching small fish, and has been described previously by Rodhouse ... comparison with fish of equivalent size possessing swim bladders. Arnaya et al. (1988, 1989a) distinguished ... two size classes of organism, for example squid and small fish. Source Vaughan (1978) Jefferts ... the daytime would need to be distinguished from krill and possibly fish. Searching and ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Auteur(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
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Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
invariably requires accurate information about fish size, distribution and abundance. To acquire this ... instrument in fish stock assessment. Both the electrical and acoustic parameters pertinent to the ... Fish. Rep., 300: 52-58. (Contribution No. 31). FOOTE, K.G., H.P. KNUDSEN, G. VESTNES, D.N. MACLENNAN ... , and EJ. SIMMONDS. 1987. Calibration of acoustic instruments for fish density estimates: a practical ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Auteur(s): Demer, D.A. and R.P. Hewitt
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
eleginoides) were examined using data from approximately 7000 fish sampled by observers from the 1998 fishery ... with an approximately linear relationship existing between depth and fish length. A statistically ... water, and are concentrated to the northeast of Shag Rocks. Few spent fish were found around South ... Georgia. This concentration of large post-spawning fish may have some implications for the management of ... . CCAMLR, Hobart, Australia: 15 pp. SC-CAMLR. 1997. Report of the Working Group on Fish Stock ... toothfish (Dissostichus eleginoides) were examined using data from approximately 7000 fish sampled by ... distributed down the shelf slope with an approximately linear relationship existing between depth and fish ... move up slope to shallower water, and are concentrated to the northeast of Shag Rocks. Few spent fish ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... toothfish and trophic structure of the toothfish-related fish food web in the southern Ross Sea ecosystem ... trophic connection between toothfish and these fish species. Mean δ 15 N values of Antarctic toothfish ... composition was determined and compared to lipid profiles of fish and invertebrate species taken as by-catch ... delineate the main prey items of Antarctic toothfish and trophic structure of the toothfish-related fish ... fish species. Mean δ15N values of Antarctic toothfish were higher than those of P. antarcticum, P ... component of the Ross Sea ecosystem, feed- ing on a wide range of prey but being primarily fish-eating ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Auteur(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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Estimating krill recruitment and its variability
fish and plankton surveys. Biometrics, 39: 281-286. SC-CAMLR. 1992. Report of the Fourth Meeting of ... . Fish. Res. Board Can., 36: 987-1001. Pennington, M. 1983. Efficient estimators of abundance for ... the Working Group on Krill. In: Report of the Eleventh Meet ing of the Scientif ic Commit tee ( S C ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Auteur(s): de la Mare, W.K
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
BUC,Pices of' South African Scientific Committee on An tar ct i c Research (SASCAR). This; report ... renewable natural resources, such as fish, deP~nds not ant~ on the rate a:t which the~ are exploited but ... Pela~1c shoa:f ins fish, su~h as Pi I chards and anchov~, fn water5 around the southern Afr 1c:an ... consi!;t Pl'im:at'il:i of fish e..!lr stnne5, or utol rths, s'lul,::1 mandible!i or be-aJ.:.s and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Auteur(s): South Africa