Search results
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
. n o ~ p a g o ~ e 48.3. 3 a IIepllOA C 1984 no 1990 r . BbInOJIHeHO 6 nOnHOqeHHblX IIeJIaTHYeCKMX C%eMOK, KOTOPbIe ... From 1984 to 1990 scientists from the Atlantic Research In s t i t u t e of Mar ine Fisheries ... t a ined d u r i n g t h e AtlantNIRO surveys: composition of the pelagic component ... , in the middle and the 15-metre near-bottom layer. Trawls were made at each depth at a speed of 3 to 3.5 knots ... Paper Title: Composition and characteristics of ichthyofauna in pelagic waters of South Georgia ... trawl census surveys conducted in Subarea 48.3. From 1984 to 1990 daily sampling stations aimed at ... ichthyocenosis in the subarea consisted of pelagic fishes (mainly Myctophidae), distributed at a depth range of ... 250 to 300 m, as well as demersal fishes in the pelagic stage of their life cycle. Catches contained ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Author(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
60 58S~~------------~I------------~------------~ 55 THE MIDDLE TEN DAYS OF J_~~. '88 64 58 ... in the first and middle 10 days of January in the 1987/88 season. 328 58S~6~5_W ... . 329 58 5 ,--6--,5:-W _______ 6,O ______ 5,5,--______ 5--,0 58 5 1 1 60 62 64 THE MIDDLE ... 1 ,~) 1 ,-'\=. 1 L-~ ______________ ~ ____ ~:~: ~/~~'------~--------------~64 65W 60 55 50 Figure 2c: Trawling positions of Japanese trawlers in the middle and last 10 days ... Paper Title: CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... fishing ground north of Livingston Island Abstract / Description: In order to identify whether or not ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
catch quantities. There is a clear distinction between the eastern and western parts of SSRU 5841C ... this eastern side of SSRU 5841C, the north- ern part of SSRU 5841E and the western part of SSRU 5841G ... mostly adults, extending from the eastern side of SSRUs 5841C to 5841H. Since in Division 58.4.1 ... 58.4.1 – if the eastern population is an extension of the Ross Sea D. mawsoni stock, it should ... Paper Title: Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting of 10° longitude ... there are two stocks in the area, one in Division 58.4.1 and one in Division 58.4.2, with the division ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Author(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
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Status of the Polish FIBEX acoustic data from the West Atlantic
densities were actually present by the middle of March (Siegel, 1988), therefore it is feasible ... , with 160 g m-2 in the Bransfield Strait (cf. stratum 1) and between 67 g m-2 (eastern shelf) and 92 ... / Description: Acoustic data from the Polish FIBEX survey in the West Atlantic were analysed using recent ... densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... in the Bransfield Strait. These results are discussed in the context of spatial and seasonal ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Author(s): Trathan, P.N., J. Kalinowski and I. Everson
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
fishing trip targeting crabs in Subarea 48.3, by the FV Pro Surveyor, presented in Otto and MacIntosh ... fishing trip, indicate that very few infected animals are found above the minimum 'commercial' size ... are frequently reported with scars of B. callosus infections where the externa have been lost (Sloan, 1984 ... the whole area. Current information on prevalence from Subarea 48.3 is based on a single trip covering ... levels of infection by a rhizocephalan barnacle have been found in the population of the crab Paralomis ... to declines in spawning stock. The effects of harvesting both healthy and infected animals are ... animals from the population. The need is stronger when the population is sensitive to declines in spawning ... stock. Results highlight the importance of incorporating parasitism in the design of a management ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
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Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries
obtained during two commercial trawl fi shing trips to Macquarie Island in January 1999 and June 2000 ... 1993, and a commercial trawl fi shing trip to Heard and McDonald Islands in September/October 2000 ... shing trip to Heard and McDonald Islands in September/October 2000. The fi sh were measured for total ... of the Eastern-Central Mediterranean. J. Fish Biol., 56: 1217–1238. Draper, N.R. and H. Smith. 1981 ... Paper Title: Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in ... McDonald Islands (Division 58.5.2) in 1992 and 1993. The range of estimated ages was 4 to 25 years. There ... were no significant differences in growth parameters calculated for males and females. Von Bertalanffy ... operations in the Heard Island region in 2000. The length at first maturity (L 50) was 418 mm (total length ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Author(s): van Wijk, E.M., R. Williams and A.J. Constable
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
protegee de 12 milles mar ins au large de la Georgie du Sud jusqu'a l'isobathe de 500 m au moyen d'un ... station in a depth of 245-270 m, where the juvenile distribution was determined in the upper, middle ... mackerel icefish rarely occurred in the middle and surface layers during the 24-hour period. The day ... during day-time and rise into the middle and surface layers and scatter at night. SIZE COMPOSITION ... ) from a trawl survey of the South Georgia shelf in June–July 1985 Abstract / Description: A trawl ... survey of the distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) in South ... Georgia waters was carried out in June–July 1985. Shelf and slope areas extending from the 12 nautical ... highest in the west, south and south-east shelf areas and the greatest abundance was found in shallow ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Management and assessment options for the crab fishery around South Georgia
ted i n t he CCAMLR Convention Area before this fishing trip, so there a r e no t ime ser ies ... of commercial o r biological data. Apart from the data collected on the first fishing trip, there is very ... and assessment of eastern Bering Sea king crab stocks. In: Jamieson, G.S. and N. Bourne (Eds). North Pacific ... / Description: A new fishery for the lithodid crab, Paralomis spinosissima, started in Subarea 48.3 in 1992 ... . The fishery is also new to CCAMLR, both in terms of the species and fishing gear. We provide an ... overview of the management options for crab fisheries in general and then consider these options in the ... in addition to the 'size-sex-season' controls. Implementation of both sets of controls ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth
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A balanced model of the food web of the Ross Sea, Antarctica
somewhat of a compromise. Many of the lower and middle TL biota are grouped, whereas the upper preda ... as the primary concern of this study is middle and upper TL groups. The initial set of parameters was not self ... model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an average ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... ) in trophic flows between groups. Parameters for biomass, production rate, growth efficiency, diet ... changes in biomass, production/biomass and production/consumption parameters were needed to balance the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Author(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
-l. If the krill enter the region only through the eastern side of the box (Figure 1, this dimension ... sample region (Figure 3). 18 transects Each of the nine long transects split in the middle (Figure ... ,llHeH MHHHMaJIbHOH TeMnepaType. CnHCOK PHCYHKOB PHCYHOK 1: MapmpYT cbeMKH, BbInOJIHeHHbIH BOKpyr ... of zooplankton stocks in the waters around South Georgia was carried out during November and December ... 1981. The data have been analysed using various definitions of strata. The total biomass in the area of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray