Search results
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
motivated, and has the form: PB(y) = Prob[encounter swarm] Y <S: Y y>Y where a = [Ai1{1-e-A,lY ... . In: Selected Scientific Papers, 1988, Part 1 (SC-CAMLR-SSP/S). CCAMLR, Hobart, Australia: pp. 1-108 ... Area from Acoustic Line-Transect Measurements of Density. Document WG-Krill-9J/S. CCAMLR, Hobart ... : Selected Scientific Papers, 1988, Part 1 (SC-CAMLR-SSP/s). CCAMLR, Hobart, Australia: 127-235. MILLER ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
the s tudy period, when it almost attains the maximum size of the Kerguelen shelf stock (winter ... reproductive situation of icefish from the inner shelf spawning ground dur ing the three-year s tudy period ... can be Table 3: Seasonal mean lengths (cm) of C. gunnari cohorts observed from s p r i n ~ 1989 ... . Duhamel . 1991. Environmental influences on spatio-temporal ocean ic d i s t r i b u t i o n of i c h ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
mainland Antarctica, generally south of 60°S. Growth parameters for this species were recently reported ... to a vertical 2.3 mm stainless steel set line in McMurdo Sound (78°S 167°Ε) have been tagged and ... depths of 113 to 363 m, in an area bordered by latitudes 61°36’S and 62°56’S, and longitudes 58°35’W ... McMurdo Sound (78°S 167°Ε). One was recaptured by a longline vessel in the northern Ross Sea (71°S 176 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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Beyond MSY: a consideration of definitions of management objectives
is greater that S t' the op spawning stock corresponding to this maximum, the objective of GNAI will ... be met by taking an amount R-S t' so that the escapement (i.e. recruitment op less catch) will ... maintained at S t' then catches op will vary. It can be argued that they are not being sustained, and that ... , Sissenwine and Shepherd 1987). This is based on a plot of observed values of adult stock, S, and subsequent ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Author(s): Gulland, J.A.
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Book review: Fish and Fish Resources of the Antarctic
~s and plunderfishes (Artedidraconidae). Many species of bottom-dwelling Antarctic fish should be ... , Joinville and DfUrville Islands. Indicator species - Chaenodraco wilsoni, Tremntomus eulepidotz~s and ... mesopelagic waters of the high seas up to 56"s. The author gives a detailed description of each of the IZs ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Author(s): Shust, K.V
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Determination of Antarctic krill acoustic back-scattering cross-section
hydroacoustic instrument. where p x ~ G(S,p) The echo signal from an individual object is equal to ... u2 =p2x2.~2 .G4 (S;p) ~Go r4 • lOo.2S. r acoustic pressure on antenna axis reduced to 1 m distance ... r = distance to the object, m S space attenuation of sound, dB/m (1) Go acoustic cross section ...
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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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
error, ˆ100 /n n n , and the relative mean square error (RMSE) given by 2 2 11 1 ˆ / S SS r r rSr ... r n n n n where S is the total sample size of estimates (i.e. 2000 in the simulation studies ... as a ‘factor’ so that Jar = 1 if r = a and zero otherwise, and the β’s are parameters to be ... selectivity was to be imposed, then P’(a) was multiplied by S(a) to give P”(a) where S(a) was determined ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G
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Acoustic data analysis and models of krill spatial distribution
krill concentration fluctuations is given by as' a2s' a - = 0 - - AS" - {Joo n. (x-x')S'(x' t)dx ... '} -ex s' + l' at ax2 ax _00 ~ , ( 1 ) where s' (x,t): krill biomass fluctuations in space (x) and time ... growth rate at stable equilibrium level S, or alternatively could be interpreted as a predation rate, 1 ... ). Meeresforsch 28: 228-243. 318 w ...... \0 S 620 630 Figure 1: .4 am ~~ (local time), ~ D ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Author(s): Morin, A., A. Okubo and K. Kawasaki
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
-south transects between 60" and 62"s and 53" and 57"30'W ('Elephant Island box'). In 1993 additional ... : Siegfried, W.R., P.R. Condy and R.M. Laws (Eds). Antarctic N u t r i e n t Cycles and Food W e b s ... IIapaMeTpOB C T ~ H U M ~ ~ . n p ~ s e n e ~ ~ b r e npHMepbI OTHOCRTCR K c6eMKaM (a) B Qespane 1992 r. I ... TpeX rHe3flaX Pi 06114~4% ~3BeUleHHb1fi COCTaB c~aflZ4fi n o n o ~ o s p e n o c ~ ~ B paiio~e o-sa 3 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
, swept area S can be estimated at the ith location by: start and end of each tow using a Furuno GPS ... Moderhak and Cielniaszek (1991) does not fit on the regression line of equation 2. The i n s i t u ... a g s t r ~ m (1987) found that swept area increased with depth, particularly between 50 m and ... : 279-286. Everson, I., G. Parkes, S. Campbell, K.-H. Kock, J. Szlakowski, Z. Cielniaszek, C. Goss ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes