Résultats de la recherche
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
density observed. Additionally, ages were predicted for each fish based on length, and compared with ages ... estimated to be from fish 1+ or 2+ years old, with mean total lengths of 32.5 cm and 41.3 cm respectively ... –324. Kock, K.-H. 1992. Antarctic Fish and Fisheries. Cam- bridge University Press, Cambridge: 359 ... dur- ing the 2000 meeting of the CCAMLR Working Group on Fish Stock Assessment (WG-FSA). The ... annulus as identifi ed by Ashford and Wischniowski (1998). Fish showing the region of the otolith from ... old. Fish showing the outer edge of the fi rst opaque zone were designated as one year old. Fish ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Auteur(s): Ashford, J., C. Jones, S. Bobko and I. Everson
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
Fish Dynamics. Oxford University Press, Oxford: 542 pp. SC-CAMLR. 2002. Report of the Working Group ... - ceptual models for the primary elements discussed in this paper are summarised in the workshop report ... -CAMLR- SSP/5), Part I. CCAMLR, Hobart, Australia: 1–108. CCAMLR. 1991. Report of the Tenth Meeting of ... the Commission (CCAMLR-X). CCAMLR, Hobart, Australia: 101 pp. CCAMLR. 2001. Report of the Twentieth ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Auteur(s): Constable, A.J
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
, activities. US Antarctic Journ., XXIX: 181-183. Australia. SC-CAMLR. 1996. Report of the Meeting of the ... Rosenberg, J.E., R.P. Hewi t t a n d R.S. Hol t . In S u b g r o u p o n Stat is t ics . In: Report ... Fisheries Science Center PO Box 271, La Jolla CA 92038, USA Abstract Four indices of prey ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer
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Selectivity of commercial and research trawls in relation to krill
. Report of the Third Meeting of the Working Group on Krill. In: Report of the Tenth Meeting of the ... Fisheries and Oceanography (AtlantNIRO) 5 Dmitry Donskoy St. Kaliningrad 236000, Russia Abstract ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Auteur(s): Kasatkina, S.M
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
followed a krill aggregation that was economic to fish, it is possible to estimate the approximate krill ... . 1994. Report of the Workshop on Evaluating Krill Flux Factors. In: Report of the Thirteenth Meeting ... . Sushin Atlantic Research Institute of Marine Fisheries and Oceanography (AtlantNIRO) 5 Dmitry Donskoy ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A
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Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)
that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... proportion, 25 to 43%, of sexually mature fish were not coming into spawning condition. This introduces a ... allowing for this bias indicates that L m50 for female fish in 1997 was no different to that for 1996. The ... of the Working Group on Fish Stock Assessment. In: Report of the Sixteenth Meeting of the ... total length for male and 98.2 cm for female fish. In 1997 the results for male fish were essentially ... the same. For female fish there is evidence that in 1997 a significant proportion, 25 to 43%, of ... sexually mature fish were not coming into spawning condition. This introduces a bias leading to the ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Auteur(s): Everson, I. and A.W. Murray
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
system and the newly developed Chilean longline (a modified version of the former method to avoid fish ... modified version of the former method to avoid fish loss by toothed whales) were tested in the experiment ... Measure 25-02 and the capacity of observers to report accurately on this. During fishing opera-During ... fishing grounds, the Spanish system is reputed to catch more fish than the Chilean method (the former ... true. To maximise fish catch rates, fish- ers may choose which method to use depending on fish ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
toothfish stomachs. Stomach content analyses showed that Antarctic toothfish fed primarily on fish and to a ... toothfish stomachs. Stomach content analyses showed that Antarctic toothfish fed primarily on fish and to ... other Antarctic fish as revealed by chemical tracers, and thus large decreases or increases in its ... toothfish can weaken lower trophic levels by removals of fish such as grenadiers and skates as by-catch ... the trophic ecology of fish communities. The tra- ditional method for assessing fish diets is stomach ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Auteur(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
-CAMLR. 1991. Report of the Tenth Meeting of the Scientific Committee (SC-CAMLR-X). CCAMLR, Hobart ... BIOMASS IN THE ELEPHANT ISLAND AREA: 1981 - 1993 R.P. Hewitt Southwest Fisheries Science Center La ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Auteur(s): Hewitt, R.P. and D.A. Demer
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
scarcity (Kock, 1981). During the UK Demersal Fish Survey around South Georgia in January/February 1991 ... ). An unusually high proportion of sexually mature fish showed no signs of the gonad development ... been demonstrated in other fish species, such as winter flounder, Pseudopleuronectes americanus, that ... size (Tyler and Dunn, 1976). We report here on our findings of the food composition and feeding ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski