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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ... 753 tonnes) is based on only one haul and should thus be regarded with care. Since the previous ... 1982/83, differed significantly from that in 1985 and 1986 arguing for an exchange with individuals ... ichthyofaunal groups mix: those with a lesser Antarctic or seasonal pack ice zone type of distribution and ... the catches increased. Composition of the catches of C. gunnari differed significantly from that in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Автор(ы): Kock, K.-H.
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
toothfish ovaries from the stages II to IV show a slow increase in oocyte diameter. It was shown that for ... Antarctic toothfish during the fishing period the individuals with gonads of the III late stage of maturity ... large oocytes of the nearest spawning season with average diameter 1000- 1200?10-6 m have composed 5.4 ...
Meeting Document : WG-FSA-07/49 : Автор(ы): S. V. Piyanova and A.F. Petrov (Russia)
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
that will conserve biodiversity patterns and processes within sensible management boundaries, while ... minimizing conflict with the legal toothfish fishery. After collating all available distributional data on ... species, benthic habitats and ecosystem processes, we used C-Plan software to delineate a MPA with three ...
Meeting Document : CCAMLR-XXV/BG/16 : Автор(ы): Delegation of South Africa
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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 1995/96
itself an 8-fold increase over any earlier value. Nylon line, identical with that attached to longline ... with increases in entanglement of Antarctic fur seals, is of growing concern. Furthermore, despite the ...
Meeting Document : CCAMLR-XVI/BG/4 : Автор(ы): Delegation of the United Kingdom
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Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)
crab body sizes, shell conditions, and claw allometry. We concluded that: 1) mean and modal size of ... size of the crabs caught increased with depth for all sampling methods, but especially so for traps ... ; and 5) catch per unit effort for both large- and small-clawed crabs increased with depth for all ...
Meeting Document : WS-CRAB-93/11 : Автор(ы): J.M. Hoenig and E.G. Dawe (USA)
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... overall showed a decline in biomass through time with a slight increase in biomass since 2012. The pattern ... in the percentage of the population tagged due to the annual immigration of untagged fish, along with ...
Meeting Document : WG-FSA-14/58 : Автор(ы): S.J. Parker and S. Mormede (New Zealand)
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Preliminary report on SO-AntEco (South Orkneys – State of the Antarctic Ecosystem) benthic survey (JR15005) around the South Orkney Plateau (February–March 2016)
collaboration with the Scientific Committee for Antarctic Research (SCAR) State of the Antarctic Ecosystem ... was to understand the distribution and composition of the benthic communities associated with ... expedition also aimed to map the locations and distributions of all species found that were identified as VME ...
Meeting Document : WG-EMM-16/13 Rev. 1 : Автор(ы): H. Griffiths, S. Grant, K. Linse, P. Trathan and the SO-AntEco scientific team
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Part 1. Seabird assemblages during trawling operations
potential biases in seabird assemblages that fishing operations could cause. Here we document seabird ... were a total of 13 species recorded, with only two species only found at Elephant or South Orkney ... Islands. Mean species richness per set during fishing operations was 4-5, with a mean abundance of 139 ...
Meeting Document : WG-FSA-16/20 : Автор(ы): J.A. Arata
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Development of the acoustic survey database
submitted to CCAMLR. This database is ‘event-driven’ – i.e. each survey can be characterized by a series of ... Secretariat has begun working with past and present conveners of WG-FSA-SFA to identify the group’s needs for ...
Meeting Document : WG-EMM-04/18 : Автор(ы): Secretariat
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Consideration of major issues in ecosystem monitoring and management
within which to investigate krill availability. Vital rates can be investigated directly and also with ...
Meeting Document : WG-EMM-01/73 : Автор(ы): I. Everson (United Kingdom)
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