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The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Paper Title: The role of fish as predators of krill (Euphausia superba) and other pelagic ... : Krill forms an important part of the diet of many Antarctic fish species. An understanding of the role ... of fish as krill predators in the Southern Ocean is critical to understanding how changes in fish ... region. First attempts to estimate the krill and pelagic food consumption by Antarctic demersal fish in ... Science, Vol. 19 (2012): 115–169 115 THE ROLE OF FISH AS PREDATORS OF KRILL (EUPHAUSIA SUPERBA) AND ... represented by demersal and mesopelagic fish and krill (Euphau sia superba), the key organism to many food ... pack-ice zone, is considered as a network of dynamic systems centred around krill. There is ... ; Trathan et al., 2006; Murphy et al., 2007a; Florindo et al., 2008). Abstract Krill forms an important ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Autor(es): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
Paper Title: Location and intensity of the Soviet krill fishery in the Elephant Island area ... Soviet krill fishery off Elephant Island (Subarea 48.1) between 59°-62°S and 53°-57°W during the period ... (north of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are ... northeast drift of krill concentrations, calculated on the basis of vessel relocation, was from 9.7 to 11.1 ... KRILL FISHERY IN THE ELEPHANT ISLAND AREA (SOUTH SHETLAND ISLANDS), 1988/89 V.A. Sushin and A.S ... . Myskov* Abstract This paper analyses fine-scale data from the Soviet krill fishery off Elephant ... Island) and start searching for krill concentrations; (ii) krill concentrations are fished and followed ... krill concentrations, calculated on the basis of vessel relocation, was from 9.7 to 11.1 km/day (11 to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Autor(es): Sushin, V.A. and A.S. Myskov
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
Paper Title: Diurnal variations in biological characteristics of krill, Euphausia superba Dana ... usually less evident. These changes were related to diurnal vertical migrations of krill which were noted ... concentration of krill. Within swarms males initiate diurnal vertical migrations. In the absence of diurnal ... migrations (particularly late in the season), diurnal variations in size composition of krill catches were ... CHARACTERISTICS OF KRILL, EUPHAUSIA SUPERBA DANA, TO THE WEST OF THE SOUTH ORKNEY ISLANDS, 24 MARCH TO 18 JUNE ... related to diurnal vertical migrations of krill which were noted on echo sounder recordings. Trawling ... season), diurnal variations in size composition of krill catches were less evident or non existent. The ... significance of these observations in relation to krill size composition data obtained from standard surveys ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Paper Title: Long-term monitoring of krill recruitment and abundance indices in the Elephant ... Island area (Antarctic Peninsula) Abstract / Description: Krill distribution and density are reviewed ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... one- and two-year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in ... MONITORING OF KRILL RECRUITMENT AND ABUNDANCE INDICES IN THE ELEPHANT ISLAND AREA (ANTARCTIC PENINSULA) V ... Krill distribution and density are reviewed for the Elephant Island area with regard to the ... la Mare (1994a). The high interannual variability of krill recruitment is confirmed by the present ... significant fluctuations in krill density over the period 1977 to 1994 are also confirmed by this study using ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb
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Determination of Antarctic krill acoustic back-scattering cross-section
Paper Title: Determination of Antarctic krill acoustic back-scattering cross-section Abstract ... / Description: When determining the density krill of concentrations it is necessary to know the acoustic cross ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... determine the acoustic cross-section of the back-scattering of krill. By experiments, the authors have ... KRILL ACOUSTIC BACK-SCATTERING CROSS-SECTION V.A. Protaschuk and T.A. Lukashova (U.S.S.R.) Abstract ... When determining the density krill of concentrations it is necessary to know the acoustic cross ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... determine the acoustic cross-section of the back-scattering of krill. By experiments, the author~ have ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Autor(es): Protaschuk, V.A. and T.A. Lukashova
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Commercial krill fisheries in the Antarctic, 1973 to 1988
Paper Title: Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ... SC-CAMLR-VII1I8G/11 COMMERCIAL KRILL FISHERIES IN THE ... effort for the Antarctic krill (Euphausia superba) fishery between 1972/73 and 1987/88. The annual ... krill catch rose gradually to a peak of some 500 000 tonnes in 1981/82 before dropping to a low level ... the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 and 48.3 prevail in the CCAMLR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.
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The utilization of seabird censuses for krill monitoring
Paper Title: The utilization of seabird censuses for krill monitoring Abstract / Description ... : The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ... Ocean is explored. No variation source directly linked with krill was identified by means of ... krill abundance. A vector close to multi-normality was obtained, thus suggesting that refinements of the ... - 393 - THE UTILIZATION OF SEABIRD CENSUSES FOR KRILL ... possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ocean is ... explored. No variation source directly linked with krill was identified by means of correspondence ... krill abundance. A vector close to multi-normality was obtained, thus suggesting that refinements of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Autor(es): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
Paper Title: Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the density of krill concentrations. The internal structure of concentrations was very diverse, and ... mean density varied from 11 to 31 370 specimens per 1 000 m 3. At night, krill concentrations were ... . 9 (2002): 83–105 83 DISTRIBUTION AND SIZE OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) IN POLISH ... distribution and internal structure of commercial krill concentrations were investigated in the areas of the ... of krill concentrations. The internal structure of concentrations was very diverse, and mean ... density varied from 11 to 31 370 specimens per 1 000 m3. At night, krill concentrations were scattered ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Autor(es): Jackowski, E
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... krill tows were included and 45.5% when only tows made in shelf waters were considered. The abundance of ... juvenile fish in catches, normalised to one tonne of krill, ranged from 700 to 18 900 individuals. In the ... FEEDING OF ANTARCTIC JUVENILE FISH TAKEN IN KRILL (EUPHAUSIA SUPERBA DANA) FISHERIES IN THE SOUTH GEORGIA ... caught during krill fishing by the FV Grigoy Kovtun in the area around South Georgia from May to July ... larseni. The frequency of occurrence of juvenile fish was 18.2% when all krill tows were included and ... , normalised to one tonne of krill, ranged from 700 to 18 900 individuals. In the case of C. gunnari, average ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
Paper Title: A first step towards modelling the krill–predator dynamics of the Antarctic ... ecosystem Abstract / Description: The history of human harvests of seals, whales, fish and krill in the ... Antarctic is summarised briefly, and the central role played by krill emphasised. The background to the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... first step towArds modelling the krill–predAtor dynAmics of the AntArctic ecosystem M. Mori MARAM ... , whales, fish and krill in the Antarctic is summarised briefly, and the central role played by krill ... emphasised. The background to the hypothesis of a krill surplus in the mid-20th century is described, and ... environmental change hypotheses. A model is developed including krill, four baleen whale (blue, fin, humpback ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth