Search results
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Estimating optimal observer coverage in the Antarctic krill fishery
криля коэффициента отбора проб, равного 18% всех выборок на судно за сезон, а для личинок рыбы – 31% на ... судно за сезон. Была проведена оценка дисперсии между судами и между выборками. Для средней длины ... пробы отбираются каждый сезон, 20% общего числа выборок за сезон, по которым проводится отбор проб ... : Усредненное значение средней длины криля (мм) на судно за сезон. Выборки с нулевым уловом были исключены ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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An assessment of the impact of krill fishery on penguins in the South Shetlands
period), and around Low (6 102 tonnes/10-day period) and Clarence (5 663 tonnes/10-day period) Islands ... , but small to the north of Livingston (1 921 tonnes/10-day period) and Elephant (1 991 tonnes/10-day ... large as 200 to 1 500 x 10 3 tonnes within the preferred fishing areas during the breeding season ... IIIIHTBMHBMLI. B npeAeJIaX IlpeAIIOqPITaeMbIX IIpOMbICJIOBbIX YqaCTKOB B 0 BpeMR Ce3OHa pa3MHOXeHMX 6 ~ 1 o ... . , -. c X - - - 1 50'~ 5 7 ' ~ ' 5 6 ' ~ SJ'WXW Figure 1: Map showing the study area in the South ... A T C H = 1 3 8 6 t NO. OF VESSELS.2 Catches in 1988/89 ( Dec. -Jan. 1 CATCHES ( t / # )x ... t C A T C H = 6 8 2 5 t 61'5 ! ! l I l l ! 1 , l I t l l t l l l ~ l l t l l l - - M I D ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Author(s): Ichii, T., M. Naganobu and T. Ogishima
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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 ... every 40 m averaged 0.22 m s –1 to 2 m depth, which would be equal to, or exceeded by, lines with 5 kg ... from 0.68 m s –1 (4 kg rocks) to 1.31 m s –1 (8 kg steel) in the shallow depth ranges. Hydrodynamically ... for the CCAMLR regime (see above), and the rate for gear with 6 kg steel weights (0.29 ± 0.02 m s–1 ... 1 000 m. Weight type and mass Rocks (kg) Steel (kg) Fishing method 4 6 8 4 6 8 Spanish ... with bags of rocks (4, 6 and 8 kg) and those with steel weights of equivalent masses. The purpose of ... . Spanish-system longlines with 8 kg rock weights every 40 m averaged 0.22 m s–1 to 2 m depth, which would ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... g at the banks and 153 to 188 g in the Kerguelen Island area were recorded for fish at age 6 to 12 ... . HUREAU. 1985. Biology and Status of Exploited Antarctic Stocks: A Review. B/OMASS. Sci. ser., No. 6: 1 ... 5 6 7 8 9 1 0 1 1 1 2 1 3 Linear growth Ob Bank Females - 9.3 13.4 17.1 20.5 23.5 26.2 28.7 30.9 ... 4 5 6 7 8 9 1 0 1 1 1 2 1 3 Weiqht qrowth Ob Bank Females 1 2 41 92 163 251 354 468 587 711 835 ... 609 736 863 989 1111 Lena Bank Females 2 1 8 57 123 210 316 432 556 678 799 914 Males 1 1 6 65 146 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
1976/77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1 ... /6 of the area of the island shelf. Assessment results point to considerable variations in fish ... about 1/6 of the area of the island shelf. Assessment results point to considerable variations in ... portaient sur une couche proche du fond et couvraient environ 1/6 de la superficie du plateau de l'ile ... temporadas analizadas, las estimaciones cubrieron una capa cercana al fondo en alrededor de 1/6 del area de ... npHAoHHhlH CJIOH npHMepHO Ha 1/6 nJIO~aAH OCTpOBHoro WeJIb~a. Pe3YJIbTaThl oQeHKH YKa3blBaIOT Ha cy ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
daily otolith growth increments decreased from 6 μm during the first 100 days (total length (TL) 4.5 cm ... increments. TL varied from 5.5 to 10.4 cm for fish in their first year (120–250 days) to 12.5–13.3 cm in 1 ... microstructure of juvenile mackerel icefi sh Figure 1: Otolith microstructure of Champsocephalus gunnari, TL = 6 ... 180 Liste des fi gures Figure 1: Microstructure des otolithes de Champsocephalus gunnari, LT = 6 cm ... . Lista de las fi guras Figura 1: Microestructura del otolito de Champsocephalus gunnari, TL = 6 cm; edad ... growth increments decreased from 6 μm during the fi rst 100 days (total length (TL) 4.5 cm) to 2.8 μm at ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... 100 to 300 fathoms. The Phase 1 results suggest that it would not be appropriate to extrapolate local ... abundance when larger areas are considered and larger catches are taken. Approximately 6 000 crabs were ... American C/~a??Ipiof~ B XOAe 3TanOB 1 M 2 3KCIIepHMeHTaJIbHOrO IlpOMbICna K P ~ ~ O B , 6 ~ n w npO ... ~HanH3HpOBaHbI C IlOMOLlJbH, 0 6 0 6 W e ~ ~ b 1 ~ aAAHTHBHblX ~ o ~ e n e f i H 0IIpe~eJlHTenefi MCTOWeHHR ... noMeveHHbIx Kpa60~ cKopee Bcero 6b1n~ HapyUIeHbI, OAHaKO 6 ~ 1 n ~ CAenaHbI HOnbITKM CKOppeKTHpOBaTb OIIIII ... ~~x npa oqearte sanaca. T ~ M He MeHee Pa6o~ax rpynna AHTKOMa no OQeHKe p b 1 6 ~ b 1 ~ 3anaCOB ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
provides the best available representation of growth in the species: L t = 70.8 (1- e- 0.308[t+ 1.10 ... ages at maturity of 6–7 years for males and 8–11 years for females. These estimates are near the middle ... including outliers. Reading 1 0 2 4 6 8 10 12 14 16 R ea di ng 2 (m ea n ± 2S E ) 0 2 4 6 8 ... 10 12 14 16 1 2 2 8 3 1 4 2 5 1 1 1 6 2 5 2 1 1 1 1 7 2 1 2 2 1 3 7 4 ... 1 1 1 3 1 3 3 1 1 2 3 6 3 1 1 2 2 2 1 1 1 3 1 1 1 3 1 1 1 2 1 R ea ... best available representation of growth in the species: 0.308 1.1070.8 1 ttL e , where Lt is the ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... biomass (including production) of 4.3 and 5.0 x 10 6 tonnes passing through the survey area during the ... million tonnes to more than 1. 6 million tonnes regarding the fact that the size of the survey area ... C ID ::J 0- ID ~ LL 6 5 4 3 2 1 25 30 35 40 45 50 Total Length (mm) N=12933 ... . Seasonal variation between summer and winter abundance/biomass data exceeded a factor of 1:35, while ... interannual variability between available surveys reached only a factor of 1:1.6. Krill mortality was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... shery. Materials and methods Between 9 September 2003 and 3 October 2005 a total of 1 308 and 6 263 ... 0.2 Pm + Oo + A. spp. 2 0.2 0 0 Total 1 308 100 6 263 100 73 Marine mammals and demersal ... N o M M -P m + A . s pp . 1 2 50 4 23 1 18 5. 6 (1 18 .4 ) 24 4 23 2 60 99 .6 ... (1 7. 0) 3 2 44 8 92 1 18 5. 3 (1 09 .2 ) 25 0 13 6 10 3 12 2. 7 (1 19 .4 ) 13 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel