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A simple approach for calculating the potential yield of krill from biomass survey results
~HMOMY, npe~CTaBJI5IIOT MeHbllIYIO Ba)l{HOCTb. * Department of Applied Mathematics, University of Cape ... model for the length of kriU of age (a+t) years may be written: 208 { .e .. [ 1-e -(3(a+ot)] .e ... (a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit to data ... . The reason is that, in practice, such a strategy could only be implemented in the form of fixed ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson
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Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
t :;::55 '! ,"") . .; ~z ~I ~._ \- ···t· ...... <..} 169 · 194 21 .:781 20 .482 160.517 30 · .:'>20 ... OTHOCHTcnbHO YPOBHR H 'feMUB BOCCTaHOBnCHHH Ba>KHblX Pbl6HblX 3anaCOB 6blJla PB3PB60TBHa I1MI1TaqHoHHBH ... HBnHCTCH OCHOBHWM tPtlKTOPOM, BJIHHIOl.LI,I1M HU npo~ecc BOCCTaHOBnCHHH, TaK~e O'leHb Ba~HO yqHTWBaTb 11 ... group also estimated that the stock could be expected to increase at an approximate rate of 30% per ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Автор(ы): Hennemuth, R.C., K.D. Bisack and G. Duhamel
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Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
. s pe ed : 1 5 m /s A lti tu de : < 30 A G L N oi se le ve l: 60 d B a t 2 ... ou nd o f a he xa co pt er a t a n al tit ud e of 30 m w as lo st in th e ... ba ck gr ou nd (p en gu in n oi se ) G oe be l e t a l., 20 15 O sp re y (P ... ve n es t N oi se le ve l: 60 d B a t 3 m , 30 d B a t 1 00 m Im pa ct m ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Автор(ы): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
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Phytoplankton distribution in the mixed layer: implication to krill abundance
( 1 5 ) where t is a continuous time. The discrete form of the above equation may be written as X ... extensively feed on phytoplankton. Boyd et al. (1984) estimate that they spend up to 30% of their total ... the mixed layer in the Pacific water, north of the front, ranges between 30 and 50 meters. A sharp ... investigated with the Lagrangian auto-correlation function pd't). The empirical function is in a simple form ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Автор(ы): Yamazaki, H. and T.R. Osborn
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips ... increasing the number of penguins or trips sampled diminished rapidly when sample sizes were greater than 30 ... échantillonnés a diminué rapidement lorsque la taille des échantillons était supérieure à 30 individus et trois ... выборки превышали 30 пингвинов или три похода на пингвина. Были разработаны статистические показатели для ... 30 pingüinos y tres viajes de alimentación por pingüino. Se desarrollaron pruebas estadísticas para ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Автор(ы): Southwell, C., J. Clarke and L.M. Emmerson
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
, t ot al m on th ly C C , m ea n m on th ly N 20 . Su ba re a 48 .3 , P P R , 1 ... . 71 52 88 1 51 7 0. 20 66 14 0. 66 49 94 30 1 - - - - - - 24 . Su ba re ... - - - - - - - - - - - 30 . Su ba re a 48 .3 , J un e 19 88 , e as te rn ar ea , s ep ar at el y fo r 2 ... rn a nd e as te rn ) of k ri ll fl ee t co nc en tr at io n (‘ ba si c fi sh in ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Автор(ы): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
of Heard Island and a number of submarine mountains in the form of truncated cones or greatly ... charted position. - 81 - Bank 4 also appeared to be shifted to the NW and the border between the ... . On the eastern side of the border of the fishing ground is a broad basis with gentle slopes. The ... Champsocephalus gunnari a cyclonic whirl was detected. The whirl was 25-30 miles in diameter and incorporated 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Автор(ы): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
nations, but were less clear. The study suggests the movement trends for Japanese vessels could form the ... study suggests the movement trends for Japanese vessels could form the basis for describing a ... of each haul, assuming 60 n miles for one degree latitude and 30 n miles for one degree longi- tude ... . The range of area considered in this paper was between 50°S–70°S and 70°W–30°W. Catch rates (Cn/tn ... been made within a 30 n mile radius by the total number of haul pairs. For this calculation, travel ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Автор(ы): Kawaguchi, S. and S.G. Candy
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
, Electrona carlsbergi, are analyzed and summarized in this paper. The species is also known to form large ... the southern border of the PFZ between 40° and 36°W, 30° and 25°W and 49° and 53°S (Figures 1 to 5) E ... " 35° 30° . 25° I1 I T T' r- • ,.""" f'1C 45 .~ - c8BapHaH rpaHQI$ Cj)poHTa ~ - I1'KHaJa rpaHMua ... , Electrona carlsbergi, are analyzed and summarized in this paper. The species is also known to form large ... . Very few species, however, form large and dense concentrations and their distribution tends to be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Автор(ы): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
, since mesozooplankton typically remove <30% of primary production. This emphasises the dominant role ... typically remove <30% of primary production. This emphasises the dominant role of microbial food chains ... of plank- tonic invertebrate metazoans of contrasting body form and life style. Common zooplankton ... to the food web in multiple ways. Epipelagic copepods have a broadly similar body form and ... average ~30% of the ciliate plus phytoplankton diet component (Calbet and Saiz, 2005). This underlines ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Автор(ы): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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