Search results
-
CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
r u F a::: w r w... E- ~~.k-f-. 0 F 20 30 48 50 60 e- LATE FE::; ~I= 220'21 I [ X= 45.9377 ~ SO=: 5.~,871S 20 ~HX= 59 r !1U ... -SSP/5: Hobart, Australia. pp. 1-108. 326 65W 60S 62 64 65W If'1 df/ 60 60 55 ... 60S i·· .. t .. 62 q .................. , (··0 ...... ··: Figure 1: The fishing ground north ... in the square). 327 THE FIRST TEN DAYS OF JAN. '88 60 - 60 62 .-. ... .;..J 64 ,ij' I I 65 W 50 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii
-
An index of per capita recruitment
in recruits per spawner after a 20% random sampling error was added to the value of R 1 used ... a 20% random sampling error was added to the value of R1 used in the calculation of PCR and year ... a 20% random sampling error was added to the value of R1 used in the calculation of PCR and year ... d'echantillonnage de 20% ajoutee a la valeur de R1 utilisee dans le calcul du PCR et qu'une variabilite aleatoire ... ~ H ~ Y ~ H H E , TaK YTO ~aH60nblllHfi A H H ~ M H Y ~ C K A ~ ~ AHana30H PCR ,L(OCTHraeTC% C BbICOKHMH 3HaYeHHRMM ... nocne ~ 0 6 a ~ n e ~ H ~ K H C ~ O ~ ~ ~ O B ~ B U I ~ M ~ C X Rnsr pacveTa s ~ a v e ~ ~ m R1 20 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R
-
Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1
-707 13, 15, 18, 20 1830 4.72 1984/85 5 2538-3608 236-907 13, 15 480 0.76 1992/93 ... trawlers operating north of Livingston Island and King George Island (Livingston Island area: 60 ... .00"-63.30°S, 57.00'-62.00°W) and around Elephant Island (Elephant Island area: 60.00"-62.30°S, 54.00 ... with small sample sizes (i.e. less than 20 hauls per vessel per season) were not included. CPUE was defined ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Author(s): Kawaguchi, S., T. Ichii and M. Naganobu
-
The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
, lighter lines are where prey make up at least 20% but less than 50% of the diet. Interactions where prey ... make up less than 20% of the diet are not shown. This approach recognises the hierarchy ... annual yield (Constable et al., 2000). The amount was selected to deplete the stock ill 20-30 years, wl ... between trials. The fishery depletes Prey 1 to zero after 20 years. Prey 2 is more abundant (-3x) than ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
-
Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
estimates of krill density will allow reproductive performance indices for top level predators ... estimates of krill density will allow reproductive performance indices for top level predators ... density will allow reproductive performance indices for top level predators to be compared to prey ... début et de la fi n de la saison faisaient partie Brierley et al. 72 des campagnes de soutien ... -38 -37 -36 -35 ... Value (dB) Calibrated Value (dB) 38 Sv 25.49 25.59 38 TS 25.6 25.33 120 Sv 20.26 20.32 120 TS ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
-
A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
harvesting. 0 0 10 20 30 40 50 60 70 O h Prevalence I resilient S-R (r=10) V sensitive S-R (r=0.01 ... stock. 0- 60 0 (I) 40 (I) (I) ;j, 20 0 0 0.2 0.4 0.6 0.8 1 Fishing mortality Figure ... of Crab Fishery 0 4 : ~ i ~ : ~ i ! , ~ m l 0 20 40 60 80 100 120 Time (years) Figure ... and harvesting healthy animals only. The resilient stock- recruit relationship was used. 0 20 40 60 80 100 120 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
-
Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae
60 (72) 20.4 (26.4) - - 75.8 (87.8) 44.5 (56.5) 36 (42) - (13.5) - - - (82.8) Table ... ). Parameter Males Females Mean length at age 2 72.82 mm 74.40 mm Mean length at age 3 83.20 mm 85.60 mm ... - 66.0 18.30 - 20.30 2 66.0 - 17.1 20.30 - 0.30 4 17.1 - 7.9 x at a digestion rate of 16.40/000 per ... g 3.100 g Gonad weight - 0.994 g Time span 1 year Calorific value 1.72 kcallg Temperature of habitat ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Author(s): Gerasimova, O.V.
-
Characteristics of krill swarms from Prydz Bay
c 80 !2: ~ 60 40 20 Figure 2: Log transformed intercepted swarm length before (a) and after ... ) 7.8 150 100 50 (m) 60 50 40 30 20 10 1n (between swarm distance) Figure ... ~ 0 0.2 III ~ 0.1 III 20 40 60 80 swarm thickness (m) Figure 3(c): Swarm thickness ... - I- - - I- I -44 19 (kg) 50 0 40 ~ 30 20 10 70 60 50 40 30 20 10 I'J 0 0 ~ I'J ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
-
Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
H OCeHHHX nepHO,liOB 1987-1989 rr. 0Ha COCTaBJISIJia npH6JIH3HTeJibHO 1,7 MHJIJIHOHOB TOHH. Ha 60 ... °S and between 40° and 48°W (Figure 3) (about 60 000 square miles). It estimated the biomass of fish to be 1 200 ... of salps and medusas. South of 53°S the proportion of E. carlsbergi was less (60 to 75%). Of other ... 'S and between 20°30' and 26°30'W was surveyed from 20 February to 2 March. Secondly, the area with coordinates ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
-
A simple approach for calculating the potential yield of krill from biomass survey results
for the calculations is that the probability that the krill spawning biomass drops below 20% of its median pre ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends strongly ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its median pre ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends ... is that the probability that the krill spawning biomass drops below 20% of its median pre-exploitation level over a 20 ... le suivant : la probabilite qu'en une periode d'exploitation de 20 ans, la biomasse reproductrice du ... kriU chute en dessous de 20% de son niveau moyen d'avant l'exploitation, devrait etre egale a 10%. La ... KPHJI5I HH)I{e 20% ere Me~HaHHoro ~OaKCnJIyaTaLVlOHHoro ypOBH5I 3a 20-JIeTHHH nepHo~ npOMbICJIa, ~OJI ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson