Résultats de la recherche
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
prey density, depth, distance from Seal Island, and persistence over time. Acoustic data from two AMLR ... surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... Seal Island, and persistence over time. Acoustic data from two AMLR surveys each year were subsampled ... for each year. Designation 3 and 4 D D D D D D Dates 6 - 11 Jan, 21 - 26 Jan 21 - 31 ... prey availability relative to kriil predators greeding on Seal Island. shipboard computer for ...
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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Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
allow an operator to add penguins omitted in the pattern recognition process, delete falsely-detected ... counts. Validation of the counts against an experienced human counter is assisted by facilities to ... the counting process. The software has also been extended to allow for efficient counting of nesting ... counting penguins. While the present software has been written specifically for census counts of breeding ...
Meeting Document : WG-EMM-14/54 : Auteur(s): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)
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By-catch of rays in the 2002/03 toothfish fishery around South Georgia
46 t, is an order of magnitude lower than the precautionary TAC for this fishery, 390 t. Author(s ... Abstract: The 2002/2003 fishing season was the first in which three new policies for rays were ... the cooperation of Chile and one fishing company, undertook an experiment to determine the ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ...
Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
increasing effect on trawling positions.. Ice conditions for the recent fishing period were also demonstrated ... Abstract: Inter- and intra-annual variability of commercial krill trawling positions for the 1980 ... affect product quality such as salp abundance and the proportion of green krill, also seemed to have an ... to have an effect. Author(s): S. Kawaguchi and K. Segawa Title: Analysis of krill trawling ...
Meeting Document : WG-EMM-01/35 : Auteur(s): S. Kawaguchi and K. Segawa
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Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?
midwater and reinforced the evidence that a bottom trawl survey significantly underestimates biomass. An ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ...
Meeting Document : WG-FSA-SAM-04/20 : Auteur(s): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.
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KRILL FISHERY REPORT: 2011 UPDATE
and Poland have fished for krill in Area 48. The total catch reported to May 2011 was 110949 t, most ... has been taken by two vessels using the continuous fishing system. The forecast total catch of krill ... for the season falls in the range 153000-214000 t. In 2009/10, 10 vessels fished for krill in Area 48 ... and reported a total catch of 211974 t; three vessels used the continuous fishing system. For the ...
Meeting Document : WG-EMM-11/05 : Auteur(s): Secretariat
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Rapport du groupe de correspondance de la période d'intersession 2019 sur le financement durable
correspondence during 2019. It discussed a number of options for reforming the system of notification fees for ... recommended: (i) setting fees for krill notifications 5% lower than fees for non-krill notifications; (ii ... , paragraph 3; (iii) applying an annual consumer price index (CPI) adjustment to notification fees. Author(s ... Document Release Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-38/10 : Auteur(s): CCAMLR Secretariat
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Composition and standing stock estimates of finfish from the Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1, 19 December 2006 to 3 January 2007)
biomass for Elephant Island and the South Shetland Islands separately as well as biomass overall were ... provided for Notothenia rossii, N. coriiceps, Lepidonotothen larseni, L. squamifrons, Gobionotothen ... found to be much lower than in 2002 and 2003 for C. gunnari, C. aceratus, C. rastrospinosus, G ... , decreased further due to the production of poor year – classes since the late 1990’s. A concentration of N ...
Meeting Document : WG-FSA-07/22 : Auteur(s): K.-H. Kock, J. Appel, M. Busch, S. Klimpel, M. Holst, D. Pietschok (Germany), L.V. Pshenichnov (Ukraine), R. Riehl, S. Schöling (Germany)
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Krill fishery information
fisheries in CCAMLR waters, including: • report on catches for the last, complete season (2000/01: December ... 2000 to November 2001) and an update on catches in the current 2000/01 season; • measures of overlap ... between the krill fishery and krill predators; • further development of the plan for the krill fishery in ... Area 48; • evaluation of available methods for forecasting closure dates; and • further development of ...
Meeting Document : WG-EMM-02/6 : Auteur(s): Secretariat
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Seasonal relationships in biological parameters and in spatial distribution in the euphausiid populations sampled during the XIIIth and XVth expedition to the Ross Sea
(from 76° to 71°S). On the contrary, during the summer period, the two species inhabited different areas ... . superba. For both the periods, the analysis of the biological parameters seems to indicate statistically ... samples data on Euphasiids were analysed at the aim of: 1) obtain a general picture of interannual and ...
Meeting Document : WG-EMM-01/62 : Auteur(s): M. Azzali, J. Kalinowski, G. Lanciani, I. Leonori and A. Sala (Italy)