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Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season
\~. P . • . • . • 20 30 • • t • , "' ... I' 50 t I· ... ··"· ", • . 0 . 01 . . I ... QI = catch in haul i; T tp.1 = duration of haul i ; n = number of hauls over the study period ... -east (500 1O'S to 59° 30'S and 43°30'W to 44°W) and south-west (Figure 1). In the daytime, krill was ... dawn (2:30 to 3:00 a.m.) and after five a.m. these swarms migrated downwards (Figure 2b). Mean catch ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Автор(ы): Kasatkina, S.M. and V.I. Latogursky
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Choosing distance between acoustic survey tacks
, ~ , ~,,~" !,I I6~,\ :::::;::""""-1:~:,~ 30~ ~ <: I:' · .. . I·"'t:':::::"............ --=:z"=~ 20% '= I,' 7 ... paCCT05fHHe MeJKgy rancaMH rrpH aKycTHqeCKOH CoeMKe ~enecoo6pa3Ho BhI6Hpa T h, OCHOBhIBa~c h Ha THrrHqHOM ... position of the starting point, the extension of tacks, the form and size of the surveyed area, and the ... stock exploitation rate and other factors, we have to estimate the biomass with an error 8B~30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Автор(ы): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
~7l~.soce/1hal~s gurzncrri) m k i p o t i o p a c n p o c T p a H e H a H a m e n b @ e )O>KHO ... ~~ r e ~ p r k i i l ( A H T ~ ~ K T H K ~ ) , a t i O ~ M e p l 1 e ~ t i k t f i IIpOMbICeJI 3 T O ... r O BHAa B e n C R C H a Y a n a 1970-X rr. H ~ B ~ C T H O , YTO 3TZl pb16a B OCHOBHOM ... XOPOLUMM MHflkiI
T I ~ B H ~ I ~ ~ QllKJI ... Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Автор(ы): Everson, I. and K.-H. Kock
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
the fishing ground north of Livingston Island (Figure 1). A total of 30 experiments on TS measurement ... including 30 co-operative experiments, was provided by the trawler. The number of krill aggregations per ... tow were: one (30 instances); two (one instance); three (two instances); and six (one instance). All ... of 7.17 g/m3 (N=30, SO=8.84 g/m3). The net density ranged from 4.49 to 73.33 g/m3 with a mean of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Автор(ы): Endo, Y. and Y. Shimadzu
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
October to 30 September, thus including one summer and one winter period. The estimated mean toothfish ... analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 October to 30 September ... 30 septembre et comprend donc une période d’été et une période d’hiver. Les captures moyennes de ... охватывает период с 1 октября по 30 сентября, включая, таким образом, один летний и один зимний период ... . Cada año cubrió el período del 1º de octubre al 30 de septiembre , incluyendo por lo tanto un verano y ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Автор(ы): Agnew, D.J. and G.P. Kirkwood
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
/ '-".I i \,\\1 V £20..J ,Jl) /' 500 tr ( '10 ~O ·w '30 llw" , I ~ t;J , G3 -L/ ( If 1 ... western side of the South Shetland Islands north of 63°30'S only, and has not so far exploited the ... its Statistical Bulletin (CCAMLR, 1992 - Figure 25). Krill catches are displayed in map form, with ... 290 data given for each CCAMLR fine-scale square (1 0 longitude by 30' latitude) for each quarter ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Автор(ы): Agnew, D.J.
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Estimating optimal observer coverage in the Antarctic krill fishery
on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... (% ) T ot al h au ls w it h kr ill sa m pl in g (% ) A ca m ar 20 02 30 7 ... 05 46 3 22 4 13 7 61 56 30 41 12 Fe ol en t 20 05 43 1 43 6 32 6 ... Estimating optimal obsErvEr covEragE in thE antarctic krill fishEry D.J. Agnew1, P. Grove2, T. Peatman1 ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Автор(ы): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
and t 0 –0.159 for males and L ∞ 92.03, K 0.055 and t 0 0.159 for females. Revised estimates of the ... translucent zones in all cases. Otoliths consist principally of aragonite, a form of calcium carbonate. The ... unknown. Marriott et al. 294 Fi gu re 1 : T he th re e ot ol it h pr ep ar at io n m ... le fi sh , t ot al le ng th 3 04 m m , s no ut –v en t l en gt h 99 m m . ( a) W ... ho le p re pa ra ti on , a ls o m ar ke d is t he s ec ti on in g us ed f or t ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Автор(ы): Marriott, P.M., M.J. Manning and P.L. Horn
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
waters failed to form stable concentrations on the shelf and was transported instead further out to open ... drifted along with Weddell Sea waters failed to form stable concentrations on the shelf and was ... hydrological conditions, krill stocks that drifted with Weddell Sea waters could not form stable and dense ... . Korobochka, T. Bulatova and S. Bulachenkova (VNIRO) for their help in preparation of the paper. REFERENCES ... -45 -40 -35 -30 -50 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
in the catch tλ is the same as the the- oretical maximum age tmax. This method is sensi- tive to the ... ) with 0% as a target level or 30–40% where no upper size limit exists. The proportional length-based ... recruitment declines linearly 0.2 Fishery parameters Season 1 Dec–30 Nov Catch levels for the constant ... such as the vari- ation in fishing mortality and recruitment, the form of the fishing selectivity ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Автор(ы): Ziegler, P.E., D.C. Welsford and A.J. Constable
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