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DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA
shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... integration units where the threshold density for fishing was set at 100 gm2 following Kasatkina (2003). 3 ... . This was also true with other threshold values in the range 25 to 200 gm2 although the difference was ... with those that affect the behaviour and performance of the fishery. Author(s): S. Hill and D. Agnew ...
Meeting Document : WG-EMM-08/16 : Автор(ы): S. Hill and D. Agnew (United Kingdom)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Bank; 2) Mn/Ca enrichment associated with South America; 3) Sr/Ca linked to the presence of Circumpolar ... eddies may account for affinities with neighbouring sampling areas, bringing water from the Subantarctic ... with depth and improved cross-validation by 14%, giving 85% classification rates to South American and ...
Meeting Document : WG-FSA-08/P04 - Abstract : Автор(ы): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1997–1998
predominated (96%), followed by giant petrels Macronectes spp. (3%), with Yellow-nosed Mollymawks Thalassarche ... ), with Author(s): P.G. Ryan and M.G. Purves (South Africa) Title: Seabird by-catch in the Patagonian ... bycatch during the year July 1997-June 1998. Data on seabird bycatches were obtained from fishery ...
Meeting Document : WG-FSA-98/42 : Автор(ы): P.G. Ryan and M.G. Purves (South Africa)
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Growth and Natural Mortality of Yellowfin Notothenia Patagonotothen guntheri shagensis from Shag Rocks Shelf
six various methods ranged from 0.63 to 1.06. With mean value of M, age and length at optimum ... exploitation were 2.5 years and 12.5 cm, respectively. Author(s): V.I. Shlibanov (USSR) Title: Growth and ...
Meeting Document : WG-FSA-89/18 : Автор(ы): V.I. Shlibanov (USSR)
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Variability and predictability of Antarctic krill swarm structure
) echosounder, concurrent with net sampling. The acoustic data were analysed through applying a swarm ... 1 swarms were generally small (< 50 m long) and were not very tightly packed (< 10 ind m-3 ... and large and superswarms within the type 2 group. A minor group (swarm type 3) was also found ... over the survey grid was examined with respect to a number of potential explanatory variables ...
Meeting Document : WG-EMM-10/P10 : Автор(ы): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper
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Surface exchange between the Weddell and Scotia Seas
transport pathways between the eastern Antarctic Peninsula and sites of elevated chlorophyll in the Scotia ...
Meeting Document : WG-EMM-14/P03 : Автор(ы): A.F. Thompson and M.K. Youngs
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Research plan to assess the stock status of Dissostichus spp. in Subarea 48.2
in accordance with Conservation Measure 24-01 (paragraph 3). Author(s): Submitted by the Secretariat ...
Meeting Document : WG-SAM-13/15 : Автор(ы): Submitted by the Secretariat on behalf of Ukraine
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Fish identification guide for Observers in CCAMLR krill fisheries
Abstract: The Secretariat, with assistance from Prof Tetsuo Iwami, has developed a simple fish ... CCAMLR krill fishery. The draft guide provided includes a single key to distinguish fish families and 3 ...
Meeting Document : WG-EMM-13/07 : Автор(ы): Secretariat
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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
, with killer whales present on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod ... , depressing CPUE by up to 20%. Sperm whales have been more frequently encountered in recent years, occurring ... . Most interactions from sperm whales occur during May at the start of the season with the sightings ... consistent with no obvious pattern between months. Both species demonstrate an east to west migration ...
Meeting Document : WG-FSA-10/P06 : Автор(ы): J. Moir Clark and D.J. Agnew
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Decadal trends in the South Georgia demersal fish assemblage
biomass were seen across survey years. Species counts were highly variable across the shelf region and ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ... demersal fish catch rates was observed with the highest mean CPUE s seen in surveys since 2010 but this was ...
Meeting Document : WG-FSA-13/26 : Автор(ы): M. Belchier (United Kingdom)
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