Resultados de la búsqueda
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Phytoplankton distribution in the mixed layer: implication to krill abundance
is shown beneath buoyancy frequency profile. 343 o 10 20 30 40 .5: 50 0+- D.. (J ... -0 10910 Ne 10910 N e 0 1 2 3 4 0 1 2 3 4 0 0 10 10 20 20 30 30 40 40 /""'. E ... 15 20 ,...-.-. E . '--" 25 ..c -+-' 0.. ID 30 ""0 35 40 45 50 w VI ... ...... 0 10 20 30 /"... 40 E "'--" ..c 50 -j-J 0.. ID -0 60 70 80 90 100 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Autor(es): Yamazaki, H. and T.R. Osborn
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
the South Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989 ... conducted during daylight hours. The target time for a haul was 30 minutes, with any haul less than 20 ... ;;; 6 4 2 0 10 20 30 40 50 60 10 20 30 40 50 60 70 Length (cm) Length (cm) Figure 6: Length ... largely exhausted within two years, and overall catches declined by almost two orders of magnitude ... within a few years (Figure 1). Catches increased slightly in the mid-1980s, primarily as a result of ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Autor(es): Jones, C.D., K.-H. Kock and E. Balguerías
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Investigations of required sampling regimes for environmental parameters
monthly mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ... speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in ... 199 266 20% 23 40 55 32 50 68 30% 10 18 24 14 22 30 Table 5: Sample size required to detect a ... detection Wind speed daily multiple n=8 per day 10-20% High recording for one month daily multiple n-30 ... ------'~-------"--~--~------~ o 1 0 20 30 days Figure 2: Maximum daily pressure for January 1985, Davis Station, showing the ... ~-------------------------------------------------------------' 50 -C 40 ~ "C ~ 30 c.. en "C C 20 ~ 10 O~~----~----~~-----.'--~---r ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Autor(es): Agnew, D.J.
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
10.10–20.00 44°15'W 43°30'W 42°45'W 42°0'W 41°15'W 40°30'W 39°45 ... 'W 39°0'W 38°15'W 37°30'W 36°45'W 36°0'W 35°15'W 34°30 ... 'W 44°15'W 43°30'W 42°45'W 42°0'W 41°15'W 40°30'W 39°45'W ... 39°0'W 38°15'W 37°30'W 36°45'W 36°0'W 35°15'W 34°30'W 45°0'W ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Autor(es): Belchier, M., T. Peatman and J. Brown
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
the age of 2-3 years. It has been found that, by number, recruits represent the largest part of the ... only observed in five out of 20 abundant year classes at South Georgia (1975,1981,1985,1986 and 1988 ... be attributed to a strong year class which remained abundant over the years (Frolkina, 1993). At ... up to 7 years old (Figures 3 and 4). As a rule, 3-year-old, and sometimes 4-year-old fish dominated ... sometimes observed to be completely absent for several years (e.g. 1982 year class) (Figure 4). A ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... October to 30 September, thus including one summer and one winter period. The estimated mean toothfish ... respectively (a total over the three years of 1 994 tonnes). The distribution of estimated total bird catch was ... highly skewed, with medians in the three years of 621, 2 852 and 550 birds respectively. 95% confidence ... ) W ei gh ti ng fa ct or S A rg os H el en a 26 -F eb -9 7 20 -A ug -9 7 9 30 3. 49 ... 91 .9 1 14 2 1. 54 5 9 S C is ne V er de 20 -M ar -9 7 30 -M ay -9 7 6 99 .8 ... -9 7 9 94 9. 35 18 9. 3 14 0. 07 4 19 W C is ne V er de 20 -M ar -9 7 30 ... analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 October to 30 September ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ... trips and both sexes spent longer at sea than in years of higher breeding success. Meal masses brought ... Island has ranged from 0.05 to 1.06 chicks creched per nest over the nine years of the program. The ... years. Two other years, 1994/95 and 1995/96, also experienced low breeding success rates of 0.05 and ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Autor(es): Irvine, L.G., J.R. Clarke and K.R. Kerry
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
their major food sources. File: 20-Kerry-et-al.pdf ... Toyocom 2038 PTf set on a 50s repeat transmission cycle. These were packaged together with their ... , together with the position of the continental shelf break and the locations of previous krill fisheries ... in those years where ice conditions allow the fishing fleet to operate further south or in poor ... 1396B M 19 January 1992 1 5 275 none feeding growing chick only 1 to 5 km from colony 20 January 1992 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else
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A balanced model of the food web of the Ross Sea, Antarctica
efficiency) and all groups together was 1.7%, and for diet fractions was 0.6%. Large but not implausible ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... rate, growth efficiency) and all groups together was 1.7%, and for diet fractions was 0.6%. Large but ... bring together varied field data and literature information to give a self-consistent picture of the ... shallower than 500 m, 41% of the region has depths 500–1 000 m, and 30% is deeper than 1 000 m. This ... demersal fish) and sampling methodol- ogy (e.g. benthic organisms by size). Organisms grouped together ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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The effects of monitoring procedures on Adélie penguins
occur after more than one year of band wear remains to be determined from future years' return rates ... returned to the colony as two-year-olds (1993/94 summer). Ainley et al. (1983) reported that 30% of all ... et des marques. Cet examen, s'il met en evidence une legere reduction du taux de retour des oiseaux ... (TIRISTM, Texas Instruments, USA), 30 mm long and 3 mm in diameter, implanted under the skin of the neck ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Autor(es): Clarke, J. and K. Kerry