Search results
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Estimating krill recruitment and its variability
Paper Title: Estimating krill recruitment and its variability Abstract / Description: A maximum ... likelihood method is developed for the decomposition of krill density-at-length data into the proportion ... rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from nine surveys ... CCAMLR Science, Vol. 1: 55-69 ESTIMATING KRILL ... of krill density-at-length data into the proportion of recruits in a population sampled by a net haul ... Ocean sectors of the Southern Ocean give a mean recruitment rate for l+ krill (the ratio of the number ... of krill aged one year to the number of krill aged one year and above) of 0.339 with a standard deviation ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K
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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 ... of scientific observations conducted aboard the Japanese krill fishing vessel Chiyo Maru No. 2. Unfortunately ... are calculated from the delta distribution. In numbers, an average of about 14 fish were caught per tome of krill ... were caught per tonne of krill, and an average of about 2.2 kg of fish were caught per hour of towing ... OF 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 ... from the delta distribution. In numbers, an average of about 14 fish were caught per tome of krill ... were caught per tonne of krill, and an average of about 2.2 kg of fish were caught per hour of towing ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Author(s): Watters, G
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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 ... 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 krill density over ... MONITORING OF KRILL RECRUITMENT AND ABUNDANCE INDICES IN THE ELEPHANT ISLAND AREA (ANTARCTIC PENINSULA ... Krill distribution and density are reviewed for the Elephant Island area with regard ... 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 : Author(s): 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 ... to 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 ... to 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 : Author(s): Protaschuk, V.A. and T.A. Lukashova
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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 ... the Soviet krill fishery off Elephant Island (Subarea 48.1) between 59°-62°S and 53°-57°W during the period ... of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are fished ... of krill concentrations, calculated on the basis of vessel relocation, was from 9.7 to 11.1 km/day (11 ... 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 ... searching for krill concentrations; (ii) krill concentrations are fished and followed as they drift from ... or lost due to storms and other factors. The velocity of the northeast drift of krill concentrations ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov
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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 ... in the region. First attempts to estimate the krill and pelagic food consumption by Antarctic demersal fish ... Science, Vol. 19 (2012): 115–169 115 THE ROLE OF FISH AS PREDATORS OF KRILL (EUPHAUSIA SUPERBA ... by demersal and mesopelagic fish and krill (Euphau sia superba), the key organism to many food webs ... , is considered as a network of dynamic systems centred around krill. There is considerable interannual ... ., 2006; Murphy et al., 2007a; Florindo et al., 2008). Abstract Krill forms an important part ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Author(s): 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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A simulation study of krill fishing by an individual Japanese trawler
Paper Title: A simulation study of krill fishing by an individual Japanese trawler Abstract ... krill trawler over a half-month period. It is based on an underlying krill distribution model whose ... model modifications are introduced to eliminate this inconsistency: artificially elongating krill swarms ... of a CPUE form) for krill biomass in the 600 n mile square oceanic sector modelled are considered ... SC-CAM LR-VII/BG/37 A SIMULATION STUDY OF KRILL FISHING ... includes both searching and fishing) of a Japanese krill trawler over a half-month period. It is based ... on an underlying krill distribution model whose parameters are determined primarily from the scientific FIBEX ... this inconsistency: artificially elongating krill swarms, and allowing hauls to continue through more than one ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
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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 ... 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 scattered ... . 9 (2002): 83–105 83 DISTRIBUTION AND SIZE OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) IN POLISH ... The distribution and internal structure of commercial krill concentrations were investigated in the areas ... 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 : Author(s): Jackowski, E
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
Paper Title: Acoustic estimates of krill density at South Georgia, 1981 to 1998 Abstract ... / Description: Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia during ... 11 austral summers between 1981 and 1998 are presented. Krill density at the island fluctuated widely ... and 1994 austral summer seasons were characterised by particularly low densities of krill (upper 95 ... OF KRILL DENSITY AT SOUTH GEORGIA, 1981 TO 1998 A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson ... Abstract Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia during ... 11 austral summers between 1981 and 1998 are presented. Krill density at the island fluctuated ... and 1994 austral summer seasons were characterised by particularly low densities of krill (upper 95 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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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 ... . These changes were related to diurnal vertical migrations of krill which were noted on echo sounder recordings ... . Trawling depths usually corresponded to the depth of the largest concentration of krill. Within swarms ... in the season), diurnal variations in size composition of krill catches were less evident or non-existent ... 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 ... in the 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 : Author(s): Vagin, A.V., R.R. Makarov and L.L. Menshenina