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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
Paper Title: Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of ... King George Island, 1988 Abstract / Description: The hydroacoustic survey found a low krill abundance ... in most areas covered by last year’s survey. The total biomass in the vicinity of Elephant Island was ... estimated from 120 kHz data to be 260k tonnes and that in the Bransfield Strait south of King George Island ... system (American) and the hull mounted system (Polish) in the RN Professor SiedJecki. There were no ... indications of interference between systems due to the operating frequencies having no common multiple (50 ... vessel track following the method described in BIOMASS Report Series No. 40. Mean volume back-scattering ... SURVEY OF ELEPHANT ISLAND AND THE VICINITY OF KING GEORGE ISLAND, 1988 M.C. Macaulay Abstract The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Автор(ы): Macaulay, M.C.
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
Paper Title: Assessment and tag program adaption methods for exploratory fisheries in the CAMLR ... Convention Area: an example application for Division 58.4.3a Abstract / Description: A methodology for the ... exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... no direct age- structured information, apart from the intrinsic rate of increase parameter, r. This ... K an improper uniform prior is assumed – no information is added to the likelihood for all values ... be no recaptures to base an abundance esti- mate on). For an exploitation rate of one, the CV in ... (see Appendix 1). There are no CPUE data, and no estimate process error terms for the recap- ture ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Автор(ы): Hillary, R.M
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Trawl bag selectivity in the Champsocephalus gunnari fishery
Paper Title: Trawl bag selectivity in the Champsocephalus gunnari fishery Abstract / Description ... were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... main biological and oceanic research program. The results presented here are based on 29 hauls and, due ... to the limited time available for experiments, should be considered as preliminary. L 50% was 24.8 cm ... of 54°25'S, 38°1O'W at depths of 230 to 250 m. The four-mile-long fishing site extended in a north ... WG-FSA-90/32 TRAWL BAG SELECTIVITY IN THE ... 1990 in the South Georgia area concurrently with trawl surveys as part of the main biological and ... oceanic research program. The results presented here are based on 29 hauls and, due to the limited time ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Автор(ы): Bidenko, V.G. and I.G. Istomin
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
Paper Title: Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... Antarctic Polar Front (Meteor Bank) and in the CCAMLR region (Shona and Spiess seamounts, the western slope ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... , seamounts were irregular with extensive slope areas and no plateaus (note that the Bouvet Island shelf was ... were present. The t-test applied to the allometry coefficients showed that there were no significant ... RESULTS OF A LONGLINE SURVEY ON SEAMOUNTS IN THE SOUTHEAST ATLANTIC AND IN CCAMLR SUBAREA 48.6 (ATLANTIC ... several seamounts were surveyed to the south of Africa: close to the Antarctic Polar Front (Meteor Bank ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Автор(ы): López Abellán, L.J. and J.F. González Jiménez
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Paper Title: Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... operations concentrated on the outer shelf in the early 1980s, along the shelf slope in the mid to late 1980s ... , and from the shelf across to the outer shelf in the early to late 1990s. Intra-annually, trawling ... from January, and in the 1982/83 season there were no valid data) (Table 2). The variation of STP for ... No. 430 from the National Research Institute of Far Seas Fisheries. REFERENCES BODC. 1997. GEBCO ... KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Автор(ы): Kawaguchi, S. and K. Segawa
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Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
Paper Title: Brief comments on the simulation study made by Professor Butterworth on krill ... questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... Butterworth (1988). Firstly, the simulation study used krill distribution parameter values based on the FIBEX ... results, whereas Japanese vessels often operate on layers which are much larger than the swarms detected ... begin launching their nets aiming at the swarm(s) which have just been found. When no swarm is found ... WS-KCPUE-89/7 BRIEF COMMENTS ON THE SIMULATION STUDY ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... Japanese krill fishery carried out by Butterworth (1988). Firstly, the simulation study used krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Автор(ы): Ichii, T. and Y. Endo
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
Paper Title: Comparison of age readings from scales and otoliths of the Patagonian toothfish ... compared for 105 specimens of the Patagonian toothfish (Dissostichus eleginoides) from the South Georgia ... test for paired data (Ts = 0.256, n = 59) conducted on the remaining 56% showed that differences in age ... estimates between the two methods were not significant. Otoliths frequently appeared totally opaque, making ... procedures. However, as no more information is available in this study, it is assumed that the rings are ... 43.81% of the samples. In the 56% of cases where readings did not agree, there was no evidence of ... , although no reference was made to their cut width. The technique of cutting otolith sections of 0.3 mm ... both structures, no significant differences were found, therefore the scale reading method did not ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Автор(ы): Cassia, M.C
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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 : Автор(ы): Levin, S.A., A. Morin and T.M. Powell
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Fishery Report 2013: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)
Description / Abstract: Fishery Report 2013: Dissostichus eleginoides Crozet Island inside the ... the longline fishery to waters outside 12 n miles and no shallower than 500 m. A size limit has been ... the EEZ in Subarea 58.6 and in 2008 was estimated to be 224 tonnes. 3 11. There have been no ... methodological issues in its assessment, no estimates of the IUU catch of Dissostichus spp. have been provided ... is still unknown and no fish from Crozet Island have been recovered on the Kerguelen Plateau ...
Document : Site Section: Publications
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Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
Paper Title: Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system Abstract ... / Description: An exchange system was established among Members of CCAMLR to compare age determinations for the ... same species among different laboratories. Four species were included in the exchange: Notothenia ... rossii, Champsocephalus gunnari, Notothenia gibberifrons and Pleuragramma antarcticum. The level of ... of Notothenia rossii scales from South Georgia and the South Shetland Islands. No. Length Weight ... SC-CAM LR-VIIIIBG/46 RESULTS OF THE CCAMLR ANTARCTIC ... established among Members of CCAMLR to compare age determinations for the same species among different ... laboratories. Four species were included in the exchange: Notothenia rossii, ChampsocephaJus gunnari ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Автор(ы): Kock, K.-H.
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