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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
Paper Title: Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South ... Georgia shelf Abstract / Description: High values of coefficient of variation resulting from the ... calculation of mackerel icefish biomass (Champsocephalus gunnari) from trawl survey data on the South Georgia ... shelf (Parkes et al., 1989) challenge the rationale for round-the-clock trawling and call for ... ). With the onset of dusk (17:00 to 19:00 hr) fish begin migrating to the upper layers and the size of ... (CHAMPSOCEPHALUS GUNNARI) ON THE SOUTH GEORGIA SHELF J.A. Frolkina and V .I. Shlibanov* * Abstract High ... values of coefficient of variation resulting from the calculation of mackerel icefish biomass ... (Champsocephalus gunnari) from trawl survey data on the South Georgia shelf (Parkes et al., 1989) challenge the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Автор(ы): Frolkina, J.A. and V.I. Shlibanov
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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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Problems of population age structure determination of Euphausia superba Dana using an example from the Antarctic Peninsula area and adjacent waters
an example from the Antarctic Peninsula area and adjacent waters Abstract / Description: This paper ... examines the size structure of populations of E. superba in relation to their habitat, on the basis of an ... analysis of data collected by the author during the 1981 season in the region of the Antarctic Peninsula ... and the South Shetland Islands, as well as data collected by other researchers during FIBEX and data ... STRUCTURE DETERMINATION OF EUPHAUSIA SUPERBA DANA USING AN EXAMPLE FROM THE ANTARCTIC PENINSULA AREA AND ... ADJACENT WATERS V.A.Spiridonov (U.S.S.R.) Abstract This paper examines the size structure of ... populations of E. superba in relation to their habitat, on the basis of an analysis of data collected by the ... author during the 1981 season in the region of the Antarctic Peninsula and the South Shetland Islands ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 227-270 : Автор(ы): Spiridonov, V.A.
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
Paper Title: Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... 1990. The survey was conducted in the upper 100 m layer using a modified Isaacs-Kidd trawl. Trawling ... speed was 3.2 to 3.6 knots. The total krill stock on the poorly studied site off the South Sandwich ... AREA 48 FROM THE RV ATLANTNIRO DATA - AUTUMN 1989/90 A.C. Fedotov* * Abstract A krill biomass ... census survey was carried out at two fishing grounds in the South Sandwich and South Orkney Islands ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ... m layer using a modified Isaacs-Kidd trawl. Trawling speed was 3.2 to 3.6 knots. The total krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Автор(ы): Fedotov, A.C.
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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 ... SURVEY OF ELEPHANT ISLAND AND THE VICINITY OF KING GEORGE ISLAND, 1988 M.C. Macaulay Abstract The ... hydroacoustic survey found a low krill abundance in most areas covered by last years 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 was 39k tonnes for a total of 299k tonnes in 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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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ... of the Sub-Antarctic Front, and especially the intermediate layer of sub-Antarctic water masses ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... , in a restricted area south of Madagascar and north of Prince Edward and Marion Islands and the ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... northward distribution of D. eleginoides is closely related to the extension of the Sub-Antarctic Front ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Автор(ы): López Abellán, L.J
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Paper Title: Commercial fishing vessels as research vessels in the Antarctic – requirements and ... solutions exemplified with a new vessel Abstract / Description: The climate-induced changes presently seen ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... as adequate monitoring, to avoid unintended impacts on the harvested stocks and the associated ... The Antarctic region is vulnerable to human activity. In particular, under the impact of global ... ., 2013). Krill plays a key role in Antarctic marine ecosystems (Siegel, 2010). The combined impact of ... fishing activity and climate change might have unfavourable effects on the ecosystem, for exam- ple ... . 21 (2014): 11–17 11 CommerCIal fIshIng vessels as researCh vessels In the antarCtIC ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Автор(ы): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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A simple approach for calculating the potential yield of krill from biomass survey results
Paper Title: A simple approach for calculating the potential yield of krill from biomass survey ... results Abstract / Description: Estimates are calculated for the parameter λ in the yield equation Y = λ ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... WG-KRILL-91/24 A SIMPLE APPROACH FOR CALCULATING THE ... ** Abstract Estimates are calculated for the parameter 'A, in the yield equation Y = 'A,MB 0 for a kriU ... fishery in which both the fishery and krill growth are seasonal. The criterion used for the calculations ... is that the probability that the krill spawning biomass drops below 20% of its median pre ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson
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Potential nursery areas for fish in the Prydz Bay region
Paper Title: Potential nursery areas for fish in the Prydz Bay region Abstract / Description: A ... survey with a fine-meshed midwater trawl in Prydz Bay in January/February 1991 indicated the potential ... for the shelf area of the Bay to be a nursery ground for nototheniid and channichthyid fish. Nearly ... all juvenile fish were caught in the top 50 m over the shelf, and more than 95% were Pleuragramma ... WG-FSA-9l/35 POTENTIAL NURSERY AREAS FOR FISH IN THE ... in January/February 1991 indicated the potential for the shelf area of the Bay to be a nursery ... ground for nototheniid and channichthyid fish. Nearly all juvenile fish were caught in the top 50 m over ... the shelf, and more than 95% were Pleuragramma antarcticum. This species was abundant (up to 9 100 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Автор(ы): Williams, R.
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By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)
Paper Title: By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in ... of scientific observations conducted aboard the Japanese krill fishing vessel Chiyo Maru No. 2 ... presents a brief re-analysis of the by-catch data collected on board the Chiyo Maru No. 2; means and ... variances are calculated from the delta distribution. In numbers, an average of about 14 fish were caught ... FISHES CAPTURED BY THE KRILL FISHING VESSEL CHIYO MARU NO. 2 IN STATISTICAL AREA 58 (JANUARY TO MARCH ... observations conducted aboard the Japanese krill fishing vessel Ckiyo Maru No. 2. Unfortunately, Armstrong's ... -analysis of the by-catch data collected on board the Chiyo Mnru No. 2; means and variances are calculated ... from the delta distribution. In numbers, an average of about 14 fish were caught per tome of krill ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Автор(ы): Watters, G
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