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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
the current fishing season, calculations will be made on historical catch data for the vessels that ... , significant over- or under- runs of the limit may be expected. The Secretariat proposes that the impact of ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... this on the fishery is minimised by allowing both over- or under- runs to be accommodated within the ...
Meeting Document : WG-FSA-18/07 : Автор(ы): CCAMLR Secretariat
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2013/14
subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ... with CCAMLR decision rules. The program contains schedule and research program of the second stage of ...
Meeting Document : WG-FSA-13/09 : Автор(ы): A.F. Petrov, I.I. Gordeev and K.V. Shust (Russia)
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... and length data from Polish research and commercial sources has been used with the new catch data in a ... VPA (Variable Population Analysis). The analyses show good agreement with historical biomass estimates ... from surveys, and indicate that the stock of C. aceratus has decreased from 18 000 tonnes to 6 000 ...
Meeting Document : WG-FSA-90/06 : Автор(ы): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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On the scientific observation and krill escape mortality in the krill fishery
highlighted the magnitude of the scientific uncertainties and data gaps that are hampering progress with ... mortality should be introduced on all krill fishing vessels that carry scientific observers onboard. To ... Abstract: For several years (2006-2009) the Ukraine has been proposing that international or ... data that can fill existing uncertainties, the Ukraine proposed to enhance Conservation Measure 51-06 ...
Meeting Document : CCAMLR-XXIX/45 : Автор(ы): Delegation of Ukraine
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On the problem of by-catch of juvenile fish in krill fishery
vice versa. It was concluded that krill fishery should be best conducted over the bottom depth more ... -Kidd trawl with an opening area of 6.0 m2 was used. Trawls were taken in the 0-200 m surface layer over ... krill trawl with an opening area in a small meshed section of the trawl beg of 100 m2. Catches were ... over the bottom depth from 1 500 to 4 500 m. It was found that areas of maximum concentrations of ...
Meeting Document : WG-FSA-92/10 : Автор(ы): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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CCAMLR ecosystem monitoring and management: future work
harvest controls will be adjusted based on the scientific information available and the assessments that ... its ecosystem-approach to managing fisheries with the maintenance of ecological relationships included ... process is due to the formulation of a management procedure, which has decision rules that specify how ... meeting the needs of predators, incorporating (i) operational objectives that articulate the target ...
Meeting Document : WG-EMM-12/P05 : Автор(ы): A.J. Constable
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PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN
tolerance; species with low adaptability, particularly the ice-obligates, may therefore be more affected by ... Abstract: Penguins are adapted to live in extreme environments, but they can be highly sensitive ... -Southern Oscillation and the Southern Annular Mode are the main modes of climate variability that drive ... complex and changes over time, so that penguin responses to climate change are expected to vary ...
Meeting Document : WG-EMM-09/P09 : Автор(ы): J. Forcada and P.N. Trathan
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
unsatisfactory in previous models, with a much flatter maturity ogive than that derived through histology. In the ... . We propose that the modelling platform presented here can be used to test the likelihood and examine ... that a proportion of the mature fish spawn each year. The model estimation of the maturity ogive is now ... similar to that estimated by histological analysis. This model represents our current best model of the ...
Meeting Document : WG-SAM-14/31 : Автор(ы): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation
regionally or internationally. The main causes of population decreases are thought to be by-catch mortality ... availability of prey to penguins and the Crozet shag Phalacrocorax [atriceps] melanogenis. It is proposed that ... the Prince Edward Islands Special Nature Reserve be expanded to include surrounding territorial waters ... near to the islands. Consideration needs also to be given to listing species as threatened or protected ...
Meeting Document : WG-EMM-03/14 : Автор(ы): R.J.M. Crawford and J. Cooper (South Africa)
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
kg per year in weight. The results presented here, indicate that this species is likely to be very ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch was ... with distances travelled ranging between 1 and 7 nautical miles. The time at liberty varied between 208 ... and 823 days, with most skates at liberty for approximately one year. Estimates of growth were very ...
Meeting Document : WG-FSA-03/73 : Автор(ы): E.M. van Wijk and R. Williams (Australia)
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