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Differentiation of independent populations of Antarctic krill
population structure is needed to establish sound management of krill fisheries. A short review is undertaken ... Paper Title: Differentiation of independent populations of Antarctic krill Abstract / Description ... : Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... of recent studies in genetic and morphophysiological variability of krill and Antarctic water ... establish sound management 'of krill fisheries. A short review is undertaken of recent studies in genetic ... INDEPENDENT POPDLATIONS OF ANTARCTIC KRILL D.S.S.R. Abstract Several countries have recently shown an ... interest in commercial krill fishing. An understanding of krill population structure is needed to ... and morphophysiological variability of krill and Antarctic water circulation. On the basis of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Autor(es): USSR
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An assessment of the impact of krill fishery on penguins in the South Shetlands
Paper Title: An assessment of the impact of krill fishery on penguins in the South Shetlands ... Abstract / Description: An assessment of the competition between the Japanese krill (Euphausia superba ... Islands (Subarea 48.1) was made based on available information on the fishery, penguins and krill. The ... krill catch is very low in December while the catch rate for the following three months is roughly ... (4) Krill biomass distribution in the Elephant Island area from January to February 1990. Data are ... Shetland Islands in late January 1991. Data are from Ichii e t al . (1991). (2) Distribution of krill ... IMPACT OF THE KRILL FISHERY ON PENGUINS IN THE SOUTH SHETLANDS T. Ichii, M. Naganobu and T. Ogishima ... National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract An ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Autor(es): Ichii, T., M. Naganobu and T. Ogishima
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Antarctic krill and ecosystem management – from Seattle to Siena
Paper Title: Antarctic krill and ecosystem management – from Seattle to Siena Abstract ... / Description: This paper outlines CCAMLR’s development of a management approach for the Antarctic krill ... the Working Group on Krill (WG-Krill). Particular prominence is also attached to the modelling ... approach developed in order to calculate a precautionary catch limit for the krill fishery in various ... document the early development of CCAMLR’s efforts to manage the krill fi shery in a manner consistent ... of analysed data and implementation of appropriate action. WG-Krill recognised that to implement ... available CEMP data on predator performance and krill vari- ability might facilitate explicit modelling of ... data to monitor fi shing activities in relation to krill biomass, at least at a very local level ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Autor(es): Miller, D.G.M
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Paper Title: Differences in distribution and population structure of krill (Euphausia superba ... studies of krill-eating predators (penguins and female fur seals) near Seal Island were conducted to ... in inshore regions where krill frequently occurred but higher density areas of krill (~250 g/m 2 ... ) were rather limited. In contrast, fur seal foraging areas were found in offshore regions where krill ... Conclusions. Southwest Fisheries Science Center Administration Report LJ-90-11. Document WG-Krill-9017 ... WG-KRILL-92/27 DIFFERENCES IN DISTRIBUTION AND ... POPULATION STRUCTURE OF KRILL (EUPHAUSIA SUPERBA) BETWEEN PENGUIN AND FUR SEAL FORAGING AREAS NEAR SEAL ... Shipboard tracking studies of krill-eating predators (penguins and female fur seals) near Seal Island were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Autor(es): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
Paper Title: Estimation of krill (Euphausia superba) mortality and production rate in the ... Antarctic Peninsula region Abstract / Description: A net sampling survey for krill was carried out by RV ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... 160 support data from a survey covering the area of the krill distribution range from juvenile to ... methodologically biased differences in length frequency data (Watkins et al.,1985). A total of 12 933 krill ... krill for each of the age classes. The same procedure was undertaken for the data of the 1987/88 summer ... concept on spatial succession of krill stages/age groups (Siegel, 1988 and present data) showed that ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
implications for acoustic surveys of krill biomass Abstract / Description: Accurate estimation of krill ... is calibrated regularly at South Georgia before and after krill surveys there, and exhibits temporal ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ... . Demer, D.A. 1995. Uncertainty in acoustic surveys of Antarctic krill. Document WG-EMM-96/72. CCAMLR ... OF KRILL BIOMASS A.S. Brierley, C. Goss, J.L. Watkins and P. Woodroffe British Antarctic Survey ... Abstract Accurate estimation of krill biomass by acoustic techniques is dependent on a number of factors ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Autor(es): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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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 ... 1994 austral summer seasons were characterised by particularly low densities of krill (upper 95 ... be derived from acoustic data it is therefore necessary for echoes due to krill to be distinguished ... which acoustic data for krill density estimation were taken. Acoustic estimates of krill density at ... acoustic data using the CCAMLR- recommended TS/krill-length relationship (Greene et al., 1991), and their ... presented graphically in Figure 2. Over the period for which data are available, mean density of krill at ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
Paper Title: Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... statistics from the Soviet krill fishing fleet during the 1989/90 season (sample of 3 614 hauls for the ... topographically-induced effects. Except in November 1989, temporally and spatially sustained fishable krill ... over oceanic areas, and targeted krill aggregations found in the major current flowing towards the ... been made to estimate krill transport velocity in Subarea 48.1 using commercial fleet operation data ... taken in the krill fishery. In total, data from 3 614 trawl operations were analysed for the period ... resources of krill (Euphausia superba). Document WG-Krill-9615. CCAMLR, Hobart, Australia. Maslennikov ... . Murphy, I. Everson and G. Parkes. 1998. Analysis of haul data from the South Georgia krill fishery. C C ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Autor(es): Sushin, V.A
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
Paper Title: Distribution and size–age composition of Antarctic krill (Euphausia superba) in the ... composition and biological condition of Antarctic krill (Euphausia superba) caught by the Russian krill ... distribution of size–age groups in association with particular water masses indicated that age 2+ krill ... of trawl selectivity as adult Pygmy krill (E. frigida) (of the same size as 1+ krill) were present in ... krill exactly. However, data in the literature on growth rates provide a sufficient basis for ... , satellite sea-surface temperature (SST) data were given by the Laboratory of Fisheries Oceanography ... presence of 1-year-old krill in commercial catches (Kawaguchi et al., 1997). Data on the occurrence of ... circulation system of the Atlantic sector of the Southern Ocean to main- tain krill populations. Data in this ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Autor(es): Sologub, D.O. and A.V. Remeslo
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
Paper Title: Estimates of circumpolar abundance of Antarctic krill based on recent acoustic ... density measurements Abstract / Description: The total circumpolar abundance of Antarctic krill ... (Euphausia superba) is estimated using recent measurements of krill density from acoustic surveys and ... historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... using a combination of fisheries data, which were used to estimate the spatial extent of krill and to ... scientific data was used to arrive at a total estimate of krill biomass of 272 million tonnes (Voronina ... Krill Synoptic Survey of Area 48 provide large- scale data using modern acoustic techniques and ... defined by the fishery data (Voronina, 1998). The estimate of krill biomass was 272 million tonnes, most ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Autor(es): Nicol, S., A.J. Constable and T. Pauly