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A Petersen tag-recapture preliminary population assessment of Antarctic toothfish in CCAMLR Subarea 48.4 based on data for the 2009–2014 fishing seasons
tagging returns to be 1,027 tonnes during the 2013/14 season. In previous years the harvest rate used for ...
Meeting Document : WG-FSA-14/30 Rev. 1 : Автор(ы): V. Laptikhovsky, R. Scott, M. Söffker, T. Earl and C. Darby (United Kingdom)
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Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1
average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... –February because of ice. Ice cover varied greatly between years, with the untrawlable area ranging from 31 ... years. Author(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M. Title: Feasibility of trawl surveys to ...
Meeting Document : WG-FSA-SAM-04/07 : Автор(ы): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.
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Long-term changes in the size composition of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, after the 1978–1980 fishery in the area
Abstract: Fish samples collected through an overall period of 24 years at Potter Cove after the ... 1986/7 and the duration of the inshore phase of the species, which is known to last for 6-7 years. In ... the following years, until 1991/92, the decreasing abundance is consistent with the entrance of low ... years. After 1991/92 the densities, mean sizes and abundances do not depend on a single forcing event ...
Meeting Document : WG-FSA-07/52 : Автор(ы): E.R. Marschoff, E.R. Barrera-Oro and N.S. Alescio (Argentina)
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Solutions to seabird by-catch in Alaska’s demersal longline fisheries
Abstract: This research program compared seabird bycatch mitigation strategies over 2 years (1999 ... fishery for Pacific cod. We conducted tests over two years to account for inter-annual variation and allow ... years, regions, and fleets (88% to 100% relative to controls with no deterrent), despite the fact that ... we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ...
Meeting Document : WG-FSA-01/35 : Автор(ы): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
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Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
biomass in the following year. Similar recruitment failure in the same years is evident in krill ... scientific nets from the same area over the summers of 1991-1997. In comparing the 5 years with both predator ... in 1991 and 1994, both years of low krill biomass at South Georgia. In both of these years large ... samples from late summer (March). From the 7-year predator time-series, within-year variation was greatest ...
Meeting Document : WS-AREA 48-98/15 : Автор(ы): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
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Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011
information on abundance. Catches of D. eleginoides were at half or lower than in surveys from both years than ... the average catch for the previous four years (2006-2009). Catches of C. gunnari were very low, with ... the average. Macrourid catches have been stable over recent years, with a fall in 2011. Skate catches ... returned in 2011 to a level more common in previous years, dominated by asteroids, anemones, ascidians and ...
Meeting Document : WG-FSA-11/23 : Автор(ы): G.B. Nowara, S.G. Candy and T. Lamb (Australia)
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ... eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... time. Although moderate numbers of small fish are caught in some years (e.g., on the Shelf in 1999 and ... -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ...
Meeting Document : WG-FSA-08/22 : Автор(ы): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Preliminary results on the observations of cetaceans in the CCAMLR Statistical Subareas 48.1 and 48.2
vessel More Sodruzhestva. Observations were made during December 2018 – to January 2019 in Subareas 48.1 ...
Meeting Document : WG-EMM-2019/35 Rev. 1 : Автор(ы): K. Vishnyakova and L. Pshenichnov
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Summary of Ross Sea skate tagging programme results
years, and 47 (0.5%) have been recaptured. The recapture of tagged Amblyraja georgiana after up to four ... years at liberty shows that some skates survive and recover from being hauled out of depths of around ... georgiana moved very little, even after four years at liberty. There was no movement between SSRUs, and the ...
Meeting Document : WG-FSA-06/32 : Автор(ы): S.L. Ballara, A. Dunn and M.P. Francis (New Zealand)
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Preliminary studies on age and growth of Dissostichus eleginoides in the Ob-Lena Bank
were estimated. The estimated ages ranged from 5 to 46 years for males and from 5 to 50 years for ... females. Five to eighteen years gave large contribution to the total age groups for both sexes. Females ...
Meeting Document : WG-FSA-10/48 : Автор(ы): K. Taki, M. Kiyota and T. Ichii (Japan)
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