Search results
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Surface water circulation in krill fishing areas near the South Shetland Islands
with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... ~e OnMCbIBamTCX M a P r U P y T b I LUeCTll ~ p e f i @ y ~ ) ~ M x n0 IIOBePXHOCTH BOAbI ... 6 b 1 n a OnMCaHa K a K M e n n e H H o e , cna6oe M nnoxo B b r p a m e H H o e mro - sanag~oe ... T e v e H H e c M ~ J I K o M ~ c L U T ~ ~ H ~ I M M ql?PKYJIXPHbIMH M I lOnYqMPKYJIRPHbIMM HOTOKaMM B p a f i o e e rrrenb ... regions. One of these limitations is that wind-induced surface currents are not taken into account ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu
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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)
of streamer lines and hook size were important sources of variation, both in vessels039; analyses of catch ... by six Chilean vessels and six Argentinian vessels, one vessel from each country having made two ... reported that three of the Argentinian vessels (one of which completed two fishing trips) and two ... at various distances from shore, only two of them showed high mortality rates, while one vessel which ... , IIpeACTaBJIeHHbIX KaXnbIM C Y A H O M CBOeMy HaqMOHanbHOMy IIpOMbICJIOBOMy BeAOMCTBy, M nOnOJIHeHb1 M~@op~aqMefi ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
consisted of age classes V – VIII. It seems doubtful if the conservation measures adopted in 1984 ... consisted of age classes V – VIII. It seems doubtful if the conservation measures adopted in 1984 ... to rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... years have been low, N. rossii around South Georgia is still largely affected by the fishery. Stock size ... size and about one year earlier than in females. - 40 - 3.7 RccruiLment to the. offshore stock ... age class. Age at recruitment t mnv thus be in the order of abouL 5 years. r , 4. Discussiun ... j •• ~3 /( /( Table 4: 150 (cm) 6' 0 + Asa (years)
age at sexual maturity (L 50 , A 50 ... 1.11 0 w ..... .... 0 a. 0 .... a. 4 6 8 4 6 8 age(years) fig. 8: Age at sexual maturity ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Author(s): Kock, K.-H.
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Do krill and salps compete? Contrary evidence from the krill fisheries
/ Description: Salp by-catch and krill discolouration (039;green039; krill) caused by active feeding ... @ H T O ~ ~ ~ H K T O H O M . Ehna nPOaHanM3HpOBaHa MeXrOnOBaX H Ce30HHaX M3MeHYMBOCTb CPOKOB, IIpO~OnX1.1TenbHOCTH H MHTeHCHBHOCTH ... HCKnIo~MTenbHO H H ~ K O ~ ~ . B pafi0He OCTpOBa ~ J I ~ @ ~ H T , OnHaKO, YeTKO ~b1paXeHHofi ... of green krill was approximately the same value for different salp densities, except for one high value ... and duration of salp blooms vary greatly between and within years (SC-CAMLR, 1997). Corroboration ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
(Figure la). At 2 300 km long, the Kerguelen Plateau is one of the largest submarine plateaus ... haul was conducted at one of five random locations. Alternative locations were provided in the event ... on BANZARE Bank, occurring in all but one of the 38 hauls. Where M. carinatus was present, its biomass ... . Aethotaxis mitopte y x , Paraliparis spp., Lepidonotothen syuamifi.ons, Paradiplospinus guacilis ... Paper Title: Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern ... of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ... ) based on results from a trawl survey in 1999. This is the first quantitative assessment of M. carinatus ... in this region. M. carinatus was the most common species caught in each haul, comprising on average ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Author(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
KoppenHqHoHHoro 3nnHnca H qaCTOTa pa3pe30B (ceKqRA) CnY>KaT napaMeTpaMH C'beMKH. OnHcaHHble 3AeCb COOTHoweHHH ... in ~hich one can 3?ecifJ two th~t one of them ccrrel~tion radius i~ m~~imu~. ~d along the other one ... cl.90o. 3. Discussion One CM also present some other generalizationa ot the - 223 ... be assumed as known) introduced by the method of obtaining init1alinfo:rmation, one should regard re ... the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... characteristics of the fish concentration density field and on parameters of the survey itself, have been derived ... and coefficient of variation serve as field characteristics on which the error depends. The direction ... posteriori estimation of the error made when calculating the biomass, and for survey planning on the basis of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Author(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 ... fishing intensity by the USSR around Elephant Island has been low. In 1988/89 only one standard fishing ... the average number of vessels fishing was one to two (standard fishing units) with a maximum of seven ... 59°45'-600 15'S 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 ... moved closer to Elephant Island and operated in two fishing grounds (Figures 7a to 7f). The first one ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov
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Target strengths of krill at 136 and 20 kHz
Paper Title: Target strengths of krill at 136 and 20 kHz Abstract / Description: Estimation ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... Target strengths of krill at 136 and 20 kHz ... lengths from 43 to 47 mm the mean single-krill target strengths range from -71 to -77 dB at 20 kHz. Trawl ... to the vessel covering one mile at a speed of 10 knots. 2.2 Trawl Hydroacoustic Method Assessing krill ... , comprising 19 experiments in which the number of encaged krill varied from 125 to 400 specimens. One trawl ... 1 to 5. 4. DISCUSSION As one can see from Tables 1 to 4, the experiments which were conducted have made it possible ... as 4 to 5 dB) than TS values recommended by BIOMASS (Anon., 1986). One should expect to obtain TS values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.
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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 ... ;s (Patagonia) and 25 de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two main ... 6 400 individuals. The value of r between these two years is 0.05, similar to the one estimated ... of females from these two breeding places. - 456 - The second one was included because after ... a patagonian one. METHODS Censuses were carried out in two different places. One of them was located ... HanpaBneHMH H3MeHeHMH B nOllynHI.(MHX caMOK. TeMIl 3KcnOHeHl.(l1anbHoro pOCTa pa3Mepa nonYJHll.(MI1' nOn ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Author(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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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 entire haul ... difference (P>0.5) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part ... of these hauls, two krilllength composition samples were taken from each haul, one sample being taken from ... ) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides ... from one part of the haul, on the assumption that the length composition is homogeneous throughout ... to the posterior end of the telson. All length measurements were carried out by one observer to avoid ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Author(s): Ichii, T.