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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
liner was placed on the upper part of the codend, reaching down to the middle of the codend side walls ... . The codend bottom was deprived of its selective properties up to the middle of side walls by placing ... was the badly chosen mesh size, which had lost selectivity ability for this species, and the double ... middle and final part a typical selectivity curve. It was characterized by a gentle sloping towards the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Автор(ы): Zaucha, J.
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Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle
observed near the bottom. Peak catches were obtained in the middle of the day. At dusk fi sh ... that only on the eastern shelf were fi sh of this group caught near the coast at depths of less than ... fi sh were caught at depths of less than 200 m, and middle-sized and large fi sh at depths of more ... m. During May, only pre-spawning females of 30–39 cm were caught in the northern and eastern ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Автор(ы): Frolkina, Zh.A
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Conservation Measure Conservation Measure 51-04 (2008)
or division. 4. The total green weight of krill caught and lost shall be reported. 5. Each vessel ... than one month after the conclusion of each fishing trip. 4. Data collected from research net hauls ... one month after the conclusion of each fishing trip. 7. Data collected by Contracting Parties ...
Conservation Measure : 51-04 (2008)
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
died during fishery. The equations are presented to estimate the gross removal of an object by the ...
Meeting Document : WG-KRILL-93/34 : Автор(ы): Yu. V. Kadilnikov (Russia)
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Hook loss in CCAMLR exploratory fisheries
Abstract: The development of methods to estimate unaccounted fishing mortality from lost fishing ... lines requires an estimate of the number of lost hooks that are attached to sections of line. In 2011 ... hook loss data was provided by 21 of the 34 vessel/fishery reports with an estimated 317920 hooks lost ... estimated total of 313548 hooks lost attached to sections of line. In exploratory fisheries, particularly ...
Meeting Document : WG-FSA-12/65 : Автор(ы): Secretariat
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Environment–krill relations in the South Georgia marine ecosystem
result of large-scale changes in the physical environment. Mackintosh (1972) drew attention to the ... ). Mackintosh (1972) deve loped this theme and highlighted a correspondence between water temperature, sea ... eastern area of the Scotia Sea around South Georgia, it has been suggested that krill abundance depends ... eastern South Georgia shelf (square: 53.75-52.25"s; 36.5-35.5OW): 1 - mean sea-water temperature for ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Автор(ы): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
the cetaceans (by relocating the vessel) and replacing the lost catch. In addition, fishery managers ... ), although the pod size appears to be lower in the middle of the fishing sea- son (Figure 1). These ... estimating number of fish lost by calculating number of remains or dam- aged fish as a percentage of the ... lead to an underestimate of the amount of fish lost. Thus, the comparison of standardised CPUE is ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Автор(ы): Moir Clark, J. and D.J. Agnew
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Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program
the marine debris program in 1989. In 2017, WG-FSA recommended that lost fishing gear reported from ... a significant variation in the reporting rates between CCAMLR fisheries. When gear was reported lost ... data on gear loss and for the C2 form to have a clearer definition of ‘hooks lost attached to sections ... ’ and ‘other hooks lost’. Author(s): CCAMLR Secretariat Title: Analysis of gear loss by fishing ...
Meeting Document : WG-FSA-18/17 : Автор(ы): CCAMLR Secretariat
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By-catch of rays in the 2002/03 toothfish fishery around South Georgia
the number of rays that were likely to have died as a result of being caught on longlines using a ...
Meeting Document : WG-FSA-03/58 : Автор(ы): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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Conservation Measure Conservation Measure 51-04 (2010)
or division. 4. The total green weight of krill caught and lost shall be reported. 5. Each vessel ... than one month after the conclusion of each fishing trip. 4. Data collected from research net hauls ... one month after the conclusion of each fishing trip. 7. Data collected by Contracting Parties ...
Conservation Measure : 51-04 (2010)
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