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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
Paper Title: Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description: Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... TARGET STRENGTH OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) SWARMS AT 38 KHZ AND 120 KHZ I. Hampton ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ... ) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Автор(ы): Hampton, I.
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
Paper Title: Areas of seabed within selected depth ranges in the South-West Atlantic and ... Antarctic Peninsula regions of the Southern Ocean Abstract / Description: Data were tabulated for FAO sub ... ;500m. Extra detailed information was presented for subdivisions 50, 51, and 52 of sub-area 48.3. File ... to have information on areas of seabed between selected depth contours. This paper provides this ... published as I. Everson (1984)*. This is a revised and corrected version of that paper. METHODS ... - 49 - SC-CAMLR-VI/BG/31 AREAS OF SEABED WITHIN ... SELECTED DEPTH RANGES IN THE SOUTH-WEST ATLANTIC AND ANTARCTIC PENINSULA REGIONS OF THE SOUTHERN OCEAN 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Автор(ы): Everson, I.
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Directions followed by the French fishing companies involved in the toothfish fishery of the French EEZ, in order to minimise the incidental mortality of birds
during the CCAMLR XXII, XXIII and XXIV. At the end of the Nineties, the French companies involved in the ... toothfish fishery of the French EEZ gave up trawling for fishing with longlines in order to protect ... juveniles of toothfish and to minimize by-catches of other fish. Longlining was a completely new technique ... for the French companies, and it has taken its full dimension in French EEZ only since the end of 2002 ...
Meeting Document : SC-CAMLR-XXV/BG/23 : Автор(ы): Delegation of France
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Автор(ы): L.V. Shcherbich (Russia)
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VNIRO program on remote monitoring of oceanographic conditions in fishing areas of the World Ocean (the southwestern Atlantic and the southeastern Pacific)
Abstract: The paper presents a program of application of satellite and ship monitoring data on ... dynamics of the sea surface temperature (SST) in fishing areas For various time intervals (week, month ... , year, etc.). Sample monitoring of fishing areas in the south-western Atlantic and the southeastern ... Pacific includes: a set of maps of weekly mean SST and monthly mean SST; resulted maps of gradients ...
Meeting Document : WG-EMM-98/14 : Автор(ы): G.P. Vanyushin, T.B. Barkanova and A.A. Troshkov (Russia)
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Investigations of intensity of krill drift near South Georgia Island
Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... northeastern shore of South Georgia Island (between 54-55S and 34-39W) were carried out. Length of island’s ... shelf for calculation was assumed about 300 km, but average width of shelf (from shore to 500 m isobate ... ) was assumed about 60 km. Speed of drift in these spatial limits was assumed about 10 cm sec-1. The ...
Meeting Document : WG-CEMP-92/32 : Автор(ы): V.V. Popkov (Russian Federation)
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 on the basis of the Soviet mesoscale surveys with Isaacs Kidd midwater trawl
Abstract: In the paper the results of the investigations on three mesoscale surveys covering wide ... area of krill between Antarctic Peninsula and South Georgia Island are considered. Surveys including ... from 158 to 202 stations were carried out by Soviet research vessels in summer-autumn periods of 1983 ... /84 and 1987/88 and in a spring period 1984/85 by a standard grid of stations according to the ...
Meeting Document : WG-EMM-98/32 : Автор(ы): V.A. Sushin and K.E. Shulgovsky (Russia)
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Some idea of numerical model for assessment of Euphausia superba biomass
Abstract: A numerical model is being developed for assessment of Euphausia superba in Antarctic ... Ocean, which consists of: (1)calculation of three dimensional current field using CCSR version ... (developed by Dr. Yamanaka of Center of Climate System Research, University of Tokyo) of the three ... )calculation of spatial distribution of DIN (Dissolved Inorganic Nitrogen) (3)calculation of spatial ...
Meeting Document : WG-KRILL-93/19 : Автор(ы): M.J. Kishi and M. Naganobu (Japan)
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Dates of spawning of Antarctic euphausiids
Abstract: The paper considers the determination of time of breeding of five species of Antarctic ... Euphausiids. The original and literature data on age composition of larvae gave the possibility to calculate ... the dates of the beginning, termination and periods of high and the most intension of spawning. In the ... waters of different origin and on different latitudes euphausiids begin to spawn in a usual succession ...
Meeting Document : SC-CAMLR-VIII/BG/24 : Автор(ы): Delegation of USSR
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Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C-a based on the histological ... methods as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...
Meeting Document : WG-SAM-13/27 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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