Résultats de la recherche
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ... changes in spawning stock. 0- 60 0 (I) 40 (I) (I) ;j, 20 0 0 0.2 0.4 0.6 0.8 1 Fishing ... - recruit relationship was used. 0 20 40 60 80 100 120 Time (years) Figure 8: Prevalence and spawning ... animals only. The sensitive stock- recruit relationship was used. 0 20 40 60 80 100 120 Time (years ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
indices for top level predators to be compared to prey availability at more appropriate time-scales than ... . The multiple estimates of krill density will allow reproductive performance indices for top level ... Brierley et al. 72 des campagnes de soutien logistiques en Géorgie du Sud et étaient restreintes à quatre ... -38 -37 -36 -35 ... density will allow indices of reproductive performance of top level predators to be compared to prey ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(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
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Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae
2301000 per hour Amount of Consumed Food (0/000) 132.1x (174.1)XX 60 (72) 20.4 (26.4) - - 75.8 ... of the above values was about 4% of body weight both in males and females. Thus, according to ... 20.30 - 0.30 4 17.1 - 7.9 x at a digestion rate of 16.40/000 per hour xx at a digestion rate of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Auteur(s): Gerasimova, O.V.
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Characteristics of krill swarms from Prydz Bay
1800 ~ I- l- I- I- 50 40 30 20 10 1002 c 80 !2: ~ 60 40 20 Figure 2: Log ... ) 60 50 40 30 20 10 1n (between swarm distance) Figure 3(b): Log transformed between ... 20 40 60 80 swarm thickness (m) Figure 3(c): Swarm thickness. n 0 q z f-3 n o q Z f-3 ... - - - I- I -44 19 (kg) 50 0 40 ~ 30 20 10 70 60 50 40 30 20 10 I'J 0 0 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Auteur(s): Agnew, D.J. and I.R. Higginbottom
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
carre, 2- 11 a 20 tonnes par mille carre, 3- 21 a 40 tonnes par mille carre, 4 - 41 a 60 tonnes par ... - 11-20 TOHH Ha KBa,l(paTHYIO MHJIIO, 3 - 21-40 TOHH Ha KBa,l(paTHYIO MHJIIO, 4 - 41-60 TOHH Ha KBa ... to 40 tonnes per square mile 4 - 41 to 60 tonnes per square mile Tableau 1: Figure 1: Figure ... toneladas por milla2, 3 - 21-40 toneladas por milla2, 4 - 41-60 toneladas por milla2. 431 SC-CAMLR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
strategies. Polar Biol., 20 (4): 248-258. Crawford, R.J.M. and B.M. Dyer. 1994. Responses by four seabird ... ). Bechervaise Island (67"35'S, 62O48'E) is the site of a CEMP program which investigates primarily predator ... seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ... side behaviour have been previously determined (Clarke of the island on 20 February. This breakout was ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
. At night, fish disperse and migrate to the upper layers 50 to 60 m beneath the surface. The main peak ... 7 6 5 4 3 2 1 0 2 4 6 8 10 12 14 16 18 20 22 24 Time of day, h Figure 1: Bottom ... , ~ __ J ~0~~~~~--~~~~----~/~~~~ t/h 10 8 6 4 2 B ---- 0 2. 4 6 8 10 12 14 16 15 20 22 ... to the upper layers 50 to 60 m beneath the surface. The main peak of fish feeding activity was also ... et frequentent les couches superieures, d'une profondeur de 50 a 60 m. Le principal pie ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
relationship between the sink rates of longlines equipped with bags of rocks (4, 6 and 8 kg) and those with ... from 0.68 m s –1 (4 kg rocks) to 1.31 m s –1 (8 kg steel) in the shallow depth ranges. Hydrodynamically ... 49 35 32 37 19 17 Chilean 25 24 23 20 18 17 Robertson et al. 104 part-funded from a Pew Marine ... 16 18 20 0 2 4 6 8 10 12 14 16 18 20 4 kg 6 kg 8 kg D ep th (m ) D ep th ... - eter polypropylene hauling line, 8 mm diameter polypropylene branch/connecting lines (20 m long) and ... , Wildlife Computer, USA) programmed to record depth at 0.5 m resolu- tion every second. A total of 60 TDRs ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
Jun. 9.000 6.000 3.000 8 10 12 .4 16 18 20 Edod eOMPOSICION CAPTUAA EDAD ENE- MAR 1992 ... ~~~~~~--~~---L--~~~~ 2 4 6 8 10 12 14 16 11 20 Edod COMPOSitiON tAPTURA EDAD ABR - "UN 1992 21.000 r ... los 3 y 20 aiios y la moda estuvo en el grupo de edad 12. En general se aprecia que los machos son ... -length key. Biometrics, 43: 23-35. RIV AR, D. 1989. Overview of the systematic, structural and sampling ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Auteur(s): Robotham, V. H. and Z. Young U.
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
populations of penguins and seals). During the first five days of December 1988 (Figure 6a) the area 60° to ... " northeast of Elephant Island between 60°-60°15' and 54°1O'-54°45'W. After the second five-day period, the ... ). The first one, fished throughout the month, was located to the north of Seal Island between 60°30'-61 ... drifted northeast for about 105 to 120 n miles (194 to 222 km) from 1 to 20 December 1988 (Figures 6a to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Auteur(s): Sushin, V.A. and A.S. Myskov