Résultats de la recherche
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Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
in vessels' analyses of catch of birds per unit effort (BPUE), as well as of the haul-by-haul ... vessels, one vessel from each country having made two fishing trips, as indicated in Tables 1 and 3 ... The observers reported that three of the Argentinian vessels (one of which completed two fishing ... was demonstrated by the large amount of information obtained by two observers on board a Chilean ... vessel during two previous seasons (see Ashford and Rubilar, 1994; Ashford et al., 1994; Ashford et al ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Auteur(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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Do krill and salps compete? Contrary evidence from the krill fisheries
/ Description: Salp by-catch and krill discolouration ('green' krill) caused by active feeding on ... , February 1982. Meeresforsch., 30: 220-239. Kawaguchi, S., T. Ichii and M. Naganobu. 1997. Catch per ... Kaisha (Ltd) from 1984/85 to 1992/93 (no data were available for 1989/90 and 1991/92). Data from the ... comparing these two figures (Figures 2 and 3), it seems that there is a pattern of temporal mismatch ... different salp densities, except for one high value. This high value was for the low salp density 0.0001 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... consisted of age classes V – VIII. It seems doubtful if the conservation measures adopted in 1984 will ... . Maturity in males is reached at a smaller size and about one year earlier than in females. - 40 ... ° • < 100 kg/30 min • < 250 kg/30 min • < 500 kg/30 min • < 1000 kg/ 30 min a > 1000 kg t 30 min S C O ... Lhf> end of the 1960s Lhe c-,pecies 1,>as probably one of the most abun
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Auteur(s): Kock, K.-H.
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
(60°59.5'S, 55°24.5'W), the simulations suggest that following the protocol of the Standard ... changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... ------- ------- Females ------- mean mean Date n weight (kg) s.d. n weight (kg) s.d. 1988: 2 Jan 30 9.91 1.60 20 8.78 ... :=,8=0.1 0:=,8=0.1 + + 15 20 25 CHANGE IN 30 35 40 GROWTH 45 50 RATE Figure 2: If the ... cx={3=.l cx={3=.05 t t ALL CURVES: 4 weighing dates 28-day intervals 50 pups/day 15 20 25 30 ... for each year and as weighted averages of both years. Growth Rate Standard Error (kg/d) of Growth ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Auteur(s): Boveng, P., J.L. Bengtson and M.E. Goebel
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
mid-1980s there was considerable confusion in the literature about how to distinguish the two ... km long, the Kerguelen Plateau is one of the largest submarine plateaus in the world (Schlich and ... haul was conducted at one of five random locations. Alternative locations were provided in the event ... standard haul duration was 30 minutes fishing time. However, owing to the rough nature of the ground ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Auteur(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
covered by a vessel between two successive echo pulses, is much less that the other one ( "i. ) which ... oonsiderations allow us to apply r9a~~a obtained to anisotropic fieldB in ~hich one can 3?ecifJ two th~t ... (which can be assumed as known) introduced by the method of obtaining init1alinfo:rmation, one should ... ) , while in case of echo survey one of the steps (further on It. x ), corresponding to the ·distance ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
low. In 1988/89 only one standard fishing vessel operated in the area over 40% of the time. The ... Soviet krill fishery off Elephant Island (Subarea 48.1) between 59°-62°S and 53°-57°W during the period ... and 53°-54°15'W, the second one to the north of Seal Island between 600 -600 30'S and 55°-56°00'W and ... the third one located to the west of Elephant Island in the area between 61 °-61 °30'S and 56°-57°W ... oS and 55°-56°W. The second one was to the west 308 of Elephant Island between 61 °-61 °30'S ... vessels fishing was one to two (standard fishing units) with a maximum of seven vessels during one five ...
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
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Homogeneity of body length composition of Antarctic krill within the commercial zone
that sampling from one part of the haul provides a reasonable estimate of length composition in the ... season. In 58 of these hauls, two krilllength composition samples were taken from each haul, one sample ... x=47.2 20 Data set 2* 30 40 50 Length (mm) 60 15 10 5 n=182 x=48.7 n=187 x ... =163 x=51.7 20 30 40 50 60 Length (mm) Figure 2: Comparisons of kriU length compositions for ... " 10 CD x=38.9 x=37.5 l0- w.. 5 0 20 30 4D 50 60 Data set 53* Data set 49** ..-.. 15 ~ n ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Auteur(s): Ichii, T.
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Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two main objectives ... of r between these two years is 0.05, similar to the one estimated for this population by McCann ... two different places. One of them was located at 25 de Mayo I. (King George) (1980-1986 except for ... (van Aarde, 1980). In this paper we present information on the last seven years in two breeding ... (patagonia) and 25 de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Auteur(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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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 ... ,:" •• .. .,:-. .- -10 L-~I __ -L __ -L __ ~I __ -L __ ~ __ ~~ o 10 20 30 40 50 60 70 80 distance along transect (km ... rate was about one every second until 1808 hours (approximately 30 km from the start) when it dropped ... ) 60 50 40 30 20 10 1n (between swarm distance) Figure 3(b): Log transformed between ...
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