Search results
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
of penguins (e.g. sex, age, etc.) may be considered as representative selection factors and also, would ... reflect particular characteristics of penguins (e.g. sex, age, etc.), which may be responsible ... is tested against the appropriate variance (between dates), erroneous results will be obtained. One example ... of blocks based on penguin characteristics (sex, age, beak size, reproductive condition, etc.) can be used ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
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Note on estimating krill abundance from acoustic data on individual aggregations
differences of the two approaches are highlighted. It is concluded that the echo-integration approach ... -integration information and aggregation parameters are briefly described. The chief differences of the two ... between Ri and Rz, is Ik, and that its intercepted length is lk' Then, where (I) Ag is the mean ... is the fractional cover of aggregations intercepted along ESDU j. (I) Ag andjj are given ... , Equation 1 simply becomes: p.= PA f j ' jg where P Ag is the mean within-aggregation surface density ... WG-KRILL-91/20 NOTE ON ESTIMATING KRILL ABUNDANCE FROM ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Author(s): Hampton, I. and D.G.M. Miller
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
of animals in the open sea and on ice should be conducted, and data on age composition, feeding habits ... - SOVIET PROPOSALS FOR A PROGRAM OF ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY One ... and that of the Commonwealth Sea as a whole, since this area has been identified as one of the priority areas ... CTaH,ll;apTH30BaHhI H t{To6bI BCR HCCJIe,ll;OBa TeJI bCKaR ,ll;eRTeJI bHOC T h 6bIJIa CKOOP,ll ... conditions. Background studies include hydrological and hydrochemical surveys as well as observations on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Author(s): USSR
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Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
and 22 February 1996. From one to seven sperm whales (Physeter cafodon) were observed sporadically ... el lobo fino antartico (Arctocephalt~s gazella). Estos animales fueron responsables de la perdida de ... . The aim of this note is to show the potential impact on longline fisheries of the two species of marine ... of about 10 long-finned pilot whales (Globicephala melaena) was observed on two occasions, namely on 12 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Author(s): Capdeville, D
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
of the Southern Oc~an bounded bw latitudes 30-70 Sand I on9 i tudes 10 W ta 40 E. Research i s Pr i mar ... : 3KOCHCTEME AHTAPKTHKH Pe3l0Me OnHcaHbl BomeneHHHe KOMnoHeHTH 6HonorH~eCKOA nporpaMMhl. rnaBHoA 3anaqen ... F'rosramme. As st;ch, th<-)S~ com1~onGH1ts are of direct, relevance to imf'rovin~i o•.Jr und~r~>titndiml ... I Investi!:lat1ons of M..-r i nl:l Antarctic S~Vi>te111s and Stocks) l'ro9ramme. Re,sea!'t:h on the four ... Paper Title: Research currently being undertaken by the Republic of South Africa on " ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
, corresponding to the age of one year (O-group), were used for the calculation of abundance indices ... (approximately one tow per 100 square miles) but not less than two. During the survey the Soviet 13.6 ... specimens in one haul. According to the results of two surveys the lowest abundance index (0.87) occurred ... 1985 Mackerel icefish is one of the major fish species in the waters of South Georgia. The first ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Author(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
the empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ... to compare our data with the results obtained by Duhamel (Kock, Duhamel, Hureau, 1985), age at maturity ... 1). The Alverson-Carnee method takes into account the age at which fish biomass reaches its maximum ... (T). This parameter is calculated according to the age of the oldest group in the catches (T m), comprising not less ... rockcod (Notothenia squamifrons) on the Ob and Lena Banks and the Kerguelen Shelf were determined using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Author(s): Zaitsev, A.K.
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Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
, phytoplankton biomass and surface temperatures for every tack are shown in Figures 2 to 6. One of the most ... 4 to 6). As one can see, changes in the community along the tacks were traced only in the south, while ... that time. One species, C. criophilus which can reproduce in such different waters, was characteristic ...
30HHbIH C,llBHr B BI1 ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Author(s): Makarov, R.R. and K.P. Fedorov
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Determination of Antarctic krill acoustic back-scattering cross-section
signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... Sea 2.87 8.5 0.8 4.57 0.77 3.40 5.80 6.4 -63.0 2 Scotia Sea 2.76 7.1 0.7 4.30 0.64 3.20 5.80 5.8 ... 0.17 3.00 5.00 4.2 -64.7 5 Mordvinov's Island 3.38 11.7 1.1 4.88 0.44 3.20 5.80 7.9 -62.0 Figure ... is the product of two random values. Due to the statistical independence of random values, where ao ...
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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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
of fish longer than 30 cm having an enlarged otolith centre. An age/length key for the third quarter ... of otolith could be used to adjust age assessments of fish longer than 30 cm having an enlarged otolith ... centre. An age/length key for the third quarter of the year was also calculated. ... Paper Title: Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Author(s): Frolkina, Zh.A.