Résultats de la recherche
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
predicted future spawning stock biomass (SSB) was below 20% of B0 in any one year, for each year over a 35 ... catch of 2 850 tonnes is shown in Figure 5. Year B io m as s ('0 00 t) 2000 2010 2020 2030 ... expected number of tags at length, by release event and recapture year, are given in Figure 9. 20 ... caught in some years (e.g. on the shelf in 1999 and 2001), these year classes are not seen in large ...
Document : Site Section: Publications
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season
reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ... entanglements over the 2000 winter than in 1999; some of which can be explained by interannual variation in the ... fur seal population. Entanglements reported over summer were also up 57% on the previous year. Severe ...
Meeting Document : SC-CAMLR-XX/BG/03 : Auteur(s): Delegation of the United Kingdom
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Paper Title: Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen ... toothfish (Dissostichus eleginoides) in the Crozet and Kerguelen Islands Exclusive Economic Zones (EEZs ... ) between 2003 and 2005. In the Crozet EEZ, the reported interactions involved killer whales and sperm ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... operated all year round, with the exception of February in the Kerguelen EEZ when the fi shery was closed ... underestimate of the depreda- tion level. In order to assess whether depredation rates vary through the year ... approximately US$2.1million/year in the Kerguelen EEZ. Crozet EEZ During the observation period in the ... interacting was 8.2 ± 4.7 (n = 552, range 1–20) and 4.1 ± 3.4 (n = 737, range 1–30) individuals respectively ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Auteur(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
an additional 3 years covering the period 2018, 2019 and 2020. It was designed to build on Korea’s ... Abstract: A research plan for this subarea was commenced by Korea in 2016 and a revised ... the abundance of Antarctic toothfish in Subarea 88.3. Secondary objectives are to improve ... understanding of stock structure of toothfish in this area, to carry out calibration trials between the two ...
Meeting Document : WG-FSA-18/42 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
antarcticum) in the Ross Sea, Antarctica Abstract / Description: Antarctic silverfish (Pleuragramma ... antarcticum) were sampled during a trawl survey in the Ross Sea, Antarctica. Biological data, including fish ... . Standard length and weight were well correlated (r 2 = 0.99). Counts of growth zones in 304 thin-sectioned ... from 4.6 to 22.9 cm. Pronounced modes in the length-frequency distribution occurred at 7.1–7.5, 10.6 ... measured fresh on board and again after one year stored frozen at –20°C did not differ in length. Von ... 5 6 7 8 9 10 11 12 13 14 Age (years) Fr eq ue nc y Age (years) Fr eq ue nc y 50 40 30 20 ... consecutive modes at 8–9, 30–40 and 50–70 mm in December, and assumed they rep- resented the 0+, 1+ and 2 ... + year classes. Hubold (1985) examined silverfish occurring in the eastern and southern Weddell Sea and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn
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Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
Abstract: With the recommencement of commercial krill (Euphausia superba) fishing in CCAMLR ... framework used in Area 48 to assess the risks involved in any redevelopment of a krill fishery and evaluate ... whether the current management procedure has a high likelihood of achieving CCAMLR’s objectives in this ... to allow the completion of a first risk assessment for the krill fishery in this region in the near ...
Meeting Document : WG-EMM-17/20 : Auteur(s): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ... operating in the Crozet Islands EEZ. The vessels operated all year round with higher activ- ity in February ... Islands 0 10 20 30 40 50 60 70 80 90 100 2003/04 2004/05 2005/06 2006/07 2007/08 Fishing ... : Mean interaction rates of killer and sperm whales with longlines between 2003 and 2008. 0 10 20 30 ... 5 10 15 20 25 30 2003/04 2004/05 2005/06 2006/07 2007/08 Fishing season D ep re da tio n ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... Paper Title: Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... ; Miller et al., 1985). Assessments contained in this paper are based on results of research conducted in ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... relationships are used in this work. The mean krill stock size in the Sodruzhestva Sea (to the south of 65°30'S ... mesh size in the codend - 20 mm). Trawl mouth openings ranged from 800 to 2 338 m2; trawling speed ... °25'E from 23 to 24 March 1988 and at the bank located at 62°30'E in the Sodruzhestva Sea (Storegg ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... Paper Title: The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands ... recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... the Southern Ocean. However illegal, unreported and unregulated (IUU) fishing has occurred in the area ... entered in a single- table database called ‘Kerpêche’ for trawlers (split- years – 1 July to 30 June ... approximately 5 000 tonnes per year since 1993/94. In addition to this regulated legal fishing, this zone ... fact that longlining is a selective fishing method. Fish under 30 cm in total length are never caught ... orthogonal (the number of animals caught in each sample changes from one year to the other). results ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost
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Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region
evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... to be estimated, along with changes in catch rate at different levels of observed bycatch. Results ... taxa occur in complex mosaic patterns of small patches dispersed within larger habitats. Confirmation ... invertebrate habitats from fishery bycatch in the Ross Sea region Approval: Approved ...
Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)