Search results
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Champsocephalus gunnari stock status in the South Georgia area
06HTaHH5.I H HaJIHt.IHeM xopomeH KOPMOBOH 6a3bI B JIeTHe-OceHHHH nepHO,ll npaKTHt.IeCKH e)l{erO,llHO ... Paper Title: Champsocephalus gunnari stock status in the South Georgia area Abstract ... and TAC for C. gunnari. Stock estimates were obtained using VPA with the following variations: mean F ... weighted F. For 1986/87 the values obtained by different methods differed considerably from each other ... prediction the stock size value was obtained by VPA with variations using F regression methods. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Author(s): Borodin, R. and P. Kochkin
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008
Paper Title: Annual changes in species composition and abundance of myctophid fish in the north ... / Description: Species composition and abundance of myctophid fish were analysed using the fish by-catch ... samples collected by scientific observers on board Japanese commercial krill fishing vessels in the area ... 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... CCAMLR has expressed concerns about the impact of incidental catch in the krill fishery on some fish ... stocks, and recommended that those countries participating in the krill trawl fishery collect ... scientific data on fish by-catch. Japan ini- tiated on-board scientific observer activities in the 1989/90 ... fishing season to collect information on the incidental catch of juvenile fish (Kiyota and Iida, 2009 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Author(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*
Paper Title: Surveys of breeding penguins and other seabirds in the South Shetland Islands ... , Antarctica, January-February 1987* Abstract / Description: Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and Antarctic ... blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ... BREEDING PENGUINS AND OTHER SEABIRDS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, JANUARY-FEBRUARY 1987 ... * W.D. Shuford and L.B. Spear1 (USA) Abstract Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and ... Antarctic blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Author(s): Shuford, W.D. and L.B. Spear
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
Paper Title: Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South ... Georgia in January/February 1991 Abstract / Description: The diet composition and feeding intensity of ... 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ... WG-FSA-91/29 FOOD AND FEEDING OF THE MACKEREL ICEFISH ... , G. Parkes3, Z. Cielniaszek4 and J. Szlakowski4 Abstract The diet composition and feeding ... analysed in 3 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in ... the stomachs and the feeding intensity were uncommonly low in a period when energy rich food is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)
Paper Title: Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands ... species in the fisheries of the Southern Ocean. In Division 58.5.1, a directed trawl fishery has been in ... operation since 1984/85 and has expanded in the deep western sector of the Kerguelen Shelf. This fishery ... harvests the sub-adult/adult part of the stock. Fishing effort and corresponding catches are very variable ... is becoming an increasingly important species in the fisheries of the Southern Ocean. In Division ... 58.5.1, a directed trawl fishery has been in operation since 1984/85 and has expanded in the deep ... western sector of the Kerguelen Shelf. This fishery harvests the sub-adult/adult part of the stock ... . Fishing effort and corresponding catches are very variable from year to year and highly dependent on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Author(s): Duhamel, G.
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... Georgia Abstract / Description: The number of feeding trips to sea made by female Antarctic fur seals ... during lactation may reflect the relative availability of local prey resources. Experimental work ... utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... -TERM TRENDS IN THE FORAGING PATTERNS OF FEMALE ANTARCTIC FUR SE!\LS AT SOUTH GEORGIA* 1 J.L ... . Bengtson (USA) Abstract The number of feeding trips to sea made by female Antarctic fur seals during ... lactation may reflect the relative availability of local prey resources. Experimental work utilizing ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Author(s): Bengtson, J.L.
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
Paper Title: An iterative model to construct an age/length key to assess the age composition of a ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... key to the monthly length distribution using the non-linear model (Hoenig and Heisey, 1987). We found ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Author(s): Robotham, V. H. and Z. Young U.
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Cephalopod research in the Antarctic
Paper Title: Cephalopod research in the Antarctic Abstract / Description: Cephalopods are a ... major component of the Antarctic marine food web and it seems inevitable that they will be the subject ... of future commercial exploitation. Research is being carried out at BAS on the species composition ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ... - 323 - CEPHALOPOD RESEARCH IN THE ANTARCTIC P.G ... . Rodhouse (United Kingdom) Abstract SC-CAMLR-VI/BG/ll Cephalopods are a major component of the ... Antarctic marine food web and it seems inevitable that they will be the subject of future commercial ... exploitation. Research is being carried out at BAS on the species composition and distribution of Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Author(s): Rodhouse, P.G.
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Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... / Description: A general framework is presented to develop, test and integrate component models of the ... abundance. Incremental models should then be compared to statistical descriptions of the observed ... distribution patterns at various scales of observation to ascertain the plausibility of the model and identify ... SC-CAMLR-VII/BG/20 PATTERNS AND PROCESSES IN THE ... framework is presented to develop, test and integrate component models of the distribution and dynamics of ... should then be compared to statistical descriptions of the observed distribution patterns at various ... scales of observation to ascertain the plausibility of the model and identify critical processes to be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Author(s): Levin, S.A., A. Morin and T.M. Powell
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Paper Title: Some comments on the procedure for testing estimators of krill abundance which ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These ‘two-level’ models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ... WG-KRILL-91/21 SOME COMMENTS ON THE PROCEDURE FOR ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These "two-level" models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller