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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... Paper Title: Genetic variations and population structure of krill from the Prydz Bay region of ... Antarctic waters Abstract / Description: Samples of Antarctic krill E. superba from six locations near ... consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... of krill. The results of this study agree closely with genetic data from other studies on krill in ... POPULATION STRUCTURE OF KRILL FROM THE PRYDZ BAY REGION OF ANTARCTIC WATERS C.M. MacDonald, R. Williams ... and M. Adams (Australia) Abstract Samples of Antarctic krill E. superba from six locations near ... the Atlantic sector of the Southern Ocean, suggesting that krill stocks over at least 6000 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Автор(ы): MacDonald, C.M., R. Williams and M. Adams
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
to aid ecosystem-based management (EBM) of Antarctic krill fisheries. It is important to assess ... catch limits, which are currently used to manage Antarctic krill fisheries. The study demonstrates that ... Control of the Antarctic krill fishery Abstract / Description: CCAMLR aims to develop a feedback approach ... Antarctic krill fisheries; to illustrate the elements of feed- back control strategies, and the issues that ... 121 Feedback approach to ecosystem-based management of krill fisheries provide the necessary context ... management of krill fisheries The implemented model has three areas. The first area simply provides a ... krill fisheries that noisy measurements of a limited set of state variables are available, from which ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
Paper Title: Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description: Following an assessment of Antarctic krill ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... demand in the SSMU; (iii) estimated standing stock of krill in the SSMU; and (iv) standing stock less ... obtained in January 2000 (25.7 g m–2 versus 37.7 g m–2). The CEMP and krill survey data are listed here ... with permission from the data collectors. South Georgia South Shetland Islands Year Krill (g m–2 ... ) A1 C1 Krill (g m–2) A2 C1 1987/88 no data no data no data 41.6 2.514 –4.441 1988/89 45.1 5357 no ... no data no data 24.5 2.272 –5.136 89 Allocating krill catch limit among SSMUs in the Scotia Sea ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Автор(ы): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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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 ... (South Shetland Islands), 1988/89 Abstract / Description: This paper analyses fine-scale data from the ... 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 ... . Myskov* Abstract This paper analyses fine-scale data from the Soviet krill fishery off Elephant ... KRILL FISHERY IN THE ELEPHANT ISLAND AREA (SOUTH SHETLAND ISLANDS), 1988/89 V.A. Sushin and A.S ... 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 : Автор(ы): Sushin, V.A. and A.S. Myskov
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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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