Résultats de la recherche
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On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)
214 26-27 4 53 111 123 291 28-29 4 91 55 41 191 30-31 4 79 19 23 125 32-33 1 50 28 39 118 34-35 4 ... Procedure 1 Procedure 2 1 0 20 0 0 20 16 2 1 129 103 355 588 384 3 11 228 169 183 591 616 4 9 132 81 53 ... 275 246 5 20 121 68 18 227 238 6 17 83 16 3 119 131 7 16 29 0 4 49 45 8 1 10 0 4 15 12 9 0 7 0 3 ... 0.081 0.045 -0.022 323 o 4: 8 12 16 20 c:4 (>< 10(0) Figure 1: Functions of fishing mortality ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Auteur(s): Frolkina, G.A. and R.S. Dorovskikh
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Phytoplankton distribution in the mixed layer: implication to krill abundance
15 20 ,...-.-. E . '--" 25 ..c -+-' 0.. ID 30 ""0 35 40 45 50 w VI ... ...... 0 10 20 30 /"... 40 E "'--" ..c 50 -j-J 0.. ID -0 60 70 80 90 100 ... 10 20 30 40 /"... E "'--" 50 ..c -j-J 0.. ID 60 -0 70 80 90 100 w VI ... '-../ ".-.... 20 E '-../ 25 -'= -+-' 0- ()) 30 ""0 -'= 25 -+-' 0- ()) ""0 30 35 35 40 40 45 45 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Auteur(s): Yamazaki, H. and T.R. Osborn
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer
ms o to 200 m 10* to 200 m (9 channels) I n mile 20 dB 15 dB 2010gR 78.9 dB * The top depth ... ) Oceanic zone 20 60 ,-.. x '-" 15 >. 40 (J JJ c: 10 Q) :::J c- 20 cD 5 .... u.. 0 0 11 ... (b) Frontal zone 25 80 ,-... x 20 60 >. u 15 c: 40 cD :::J 10 c- cD ..... 20 u.. 5 ~ 0 0 ... r-1 (c) Neritic zone 20 60 ,-... x '-" 15 >. 40 (J c: 10 AlJ cD :::J 20 c- cD 5 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
0,1 0, 2 1""00 M =:. 0, 72 40- 2CJ I ~ - 0,2 -0,1 60 0,1 0, 2 r-r- . 401- ~ 20 ... ,- ~ , ~ - 0,2 - 0,1 0, 1 OJ 2 60 r--- M=-4 8 40- ~ 20- ~ .r-;' t----:-t - 0,2 0,1 60 0,1 0, 2 40 M ... , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ~il=:1,0 40 20 i I - 0,4 -0,3 - 0,2 - 0,1 ... objectives. 72 The basic relationships in the Butterworth (1988) model are: Simulation model (i) Main ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
small ones were caught in the water column. The main food item (up to 60-80%) of both juvenile and adult ... caught years from 1 to 20% (Figure 9, Table 4). diurnally in the 60 to 85-metre near-bottom layer ... were predominant in pelagic trawl hauls (20 to 35%). recorded. The largest catch of this species was ... 35 to 440 mm. The pelagic trawl took fish measuring 35 to 80 mm (comprising 5 to 60% of catches ... 3' l E ~ P L a t 2 6 60 1 8 :> % ? 40 1 ? 20 i r 0 G?" O o o o o o 0 0 0 0 b " " r ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
- ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ... simulations. Parameter Value MPC prediction horizon N = 20 Input bounds Umin = [400 400]T Umax = [1 000 ... predator biomass and the model is therefore a bottom-up model with no top-down effects. The catches from ... %, the area- specific biomasses of harvested species must remain above 20% of their respective pre ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
strategies. Polar Biol., 20 (4): 248–258. Clarke, J., K.R. Kerry, L. Irvine and B. Phillips. 2002. Chick ... consecutive years (1991/92 to 2002/03) from Adélie penguins breeding at Béchervaise Island (67°35'S 62°49'E ... scenarios, analyses were undertaken for a varying number of years of post-impact monitoring (1–10, 15, 20 ... foraging trips) is to calculate bird means of multiple trips through- out chick rearing from 20 or more ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson
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A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... 3 ,/ C- 1000 1 1/ I / I I! I I I I 35" l{).W. 40· 4f 44" 1..6' ~8· 50· 52' ~a Figure 4 ... AND METHODS From 20 March to 10 April 1989, two longitudinal transects were made along 17° and 200W ... encountered in 20 of the 26 hauls. It was found in the catches of two hauls in the Antarctic Zone, four hauls ... 1979. S. Air. J. Antarct. Res, 16: 13-20. VALENTINE, H.R. and J.R.E. LUTJEHARMS. 1983. Oceanic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Auteur(s): Zemsky, A.V. and S.A. Zozulya
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... the Ross Sea P el vi c le ng th (c m ) (c) (b) (a) 0 2 4 6 8 10 12 14 0 20 40 60 80 ... ( cm ) 0 20 40 60 80 Males (N = 58) With outliers Without outliers E ti t d 0 2 4 6 8 10 12 14 ... 2 4 6 8 10 12 14 P el vi c le ng th ( cm ) 0 20 40 60 80 Both sexes Females Males ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Auteur(s): Francis, M.P. and C. Ó Maolagáin
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
the length of time commercial fishing has been car- ried out in Division 58.5.2. Given ages up to 35 ... age 0 and age 35 (i.e. consecutive age values 35/1 001 years apart) using the exponential density ... their sum to give ( ) ( ) ( )10011/ =¢ ¢ ¢ ¢= åi i iiQ a Q a Q a . Using the 35 integer age classes ... give Qa where a = 1,…,35. Figure 1 shows the values of ¢aS obtained from each of equations (18) and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.