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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 ... , most individuals observed entangled in debris were juveniles (80% of winter and 68% of summer ...
Meeting Document : SC-CAMLR-XX/BG/03 : Autor(es): 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 ... ) killer whales and sperm whales together. In addition, seven longline sets from outside the Crozet EEZ ... interacting was 8.2 ± 4.7 (n = 552, range 1–20) and 4.1 ± 3.4 (n = 737, range 1–30) individuals respectively ... sector and marine mammal species. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 11 12 13 14 15 16 17 ... sperm whales Fishing sector Le ve l o f i nt er ac tio n 90% 80% 70% 60% 50% 40% 30% 20 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Autor(es): 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 : Autor(es): 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 ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... 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 ... measured fresh on board and again after one year stored frozen at –20°C did not differ in length. Von ... consecutive modes at 8–9, 30–40 and 50–70 mm in December, and assumed they rep- resented the 0+, 1+ and 2 ... modes at 8–20 and 36–53 mm in Terra Nova Bay, Ross Sea, and assumed that these represented 0+ and 1 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): 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 ... of krill catch and effort. We have pulled together an initial collection of existing krill predator ...
Meeting Document : WG-EMM-17/20 : Autor(es): 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 ... 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 ... rates were found to vary significantly between years (Figure 6), with a minimum in 2004/05 (2.8 ± 9.6 ... 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 : Autor(es): 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 ... results of many years' research by YugNIRO in the Sodruzhestva and Kosmonavtov Seas and is perhaps the ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Autor(es): 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 ... the Kerguelen Islands zone for 20 years, firstly with trawlers and more recently with longliners ... fact that longlining is a selective fishing method. Fish under 30 cm in total length are never caught ... animals caught at different depths and in different sectors. The results for the two years analysed are ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Autor(es): 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 ... varies among four benthic bioregions developed for the Ross Sea. Together, the data show that vulnerable ... taxa occur in complex mosaic patterns of small patches dispersed within larger habitats. Confirmation ...
Meeting Document : WG-FSA-10/30 : Autor(es): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
Paper Title: Krill biomass in Area 48 and Area 58: recalculations of FIBEX data Abstract ... / Description: FIBEX acoustic and length frequency data held in the BIOMASS database were used to provide ... ) 30'W 2S'W 20'W Figure 1: FIBEX survey areas and CCAMLR statistical sub areas in the West Atlantic ... WG-KRILL-92/20 KRILL BIOMASS IN AREA 48 AND AREA 58 ... densities reported in Anon. (1986) were derived using a TS value of -68.10 dB for a mean animal length of ... 3S'W 30'W 2S'W 20'W 1S'W r-------------------------~------------~------t_SO'S ...... 00 '1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Autor(es): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss