Résultats de la recherche
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
regularly observed in the subarea. The mean annual density of krill in the subarea was 1 475 tonnes per ... square mile. The total biomass of krill in the Wilkes Land area was assessed as being about 1x10 6 ... -- --- --~ --y--- ---------f--- n_ 6:J -, , , " u~-:--- --.... - "1/ I 1 65°40 J ,'. 1 1- - ,1 I J r ... subarea I (1986 to 1989). 1 - January, 2-February, 3-March, 4-April, 5-direction of current, 6-isobaths ... .... "-, -- -" I I "v'" , ~200\ .... / -.... , J '--- 1:)6 " If ... }" 1%° Figure 3: Distribution of exploitable ... square mile. The total biomass of krill in the Wilkes Land area was assessed as being about 1x1()6 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Auteur(s): Dolzhenkov, V.N. and V.P.Timonin
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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 : Auteur(s): Francis, M.P. and C. Ó Maolagáin
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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 : Auteur(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... consistent with those presented in the literature. The age-frequency distribution exhibited a mode from age 6 ... classes 6–9 years being the most abundant. Table 1: Mean lengthsatage (standard length in cm, with ... 5. 0 0. 15 8 0. 13 2– 0. 18 4 –0 .4 –0 .6 to – 0. 1 A ll 30 4 1– 14 22 ... .1 21 .0 –2 3. 4 0. 16 7 0. 14 3– 0. 19 1 –0 .4 –0 .6 to – 0. 2 ... - Pr yd z B ay 2 A ll - 1– 12 31 .8 - 0. 11 - 0. 16 - M - - 26 .6 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
which all chicks starve to death (fecundity = 0) from 1 in 12 to 1 in 6, or by increasing the present ... 3 59 1 86 .5 6 4 46 1 40 2 87 .2 5 5 28 9 25 1 86 .9 ... 4 6 18 9 17 1 90 .5 3 7 17 1 13 6 79 .5 3 8 ... 20 00 / 01 54 0 42 7 79 .1 6 M ea n an nu al s ur vi va l f or b ir d s 3 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Auteur(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
from 6 525 longline sets were used to calculate the difference between catch-per-unit-effort (CPUE) of ... two species. When the two species co-occurred around vessels, 1 679 ± 74 tonnes were depredated. The ... analyses. Of these 6 525 sets, 24.9% (n = 1 627 sets) were hauled with- out any odontocetes present, 12.5 ... Science, Vol. 22 (2015): 1–14 1 Comparison of two methods to assess fish losses due to depredation by ... . In the first method, fishing data from 6 525 longline sets were used to calculate the difference ... were estimated to be depredated by the two species. When the two species co-occurred around vessels, 1 ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
(2007): 1–25 A COMPILATION OF PARAMETERS FOR ECOSYSTEM DYNAMICS MODELS OF THE SCOTIA SEA – ANTARCTIC ... , their symbols, and their relevance in the KPFM are listed in Table 1. This paper also provides ... derived for two seasons, cor- responding to the six months from 1 October (sum- mer) and the six months ... from 1 April (winter). However, natural mortality rate estimates tend to be annual rather than ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
более ограниченных, проводящихся раз в сезон и фиксирующих «мгновенное состояние» съемок. Съемки в ... locations of the new and pre-2000 survey boxes and transects are shown in Figure 1. The early- and late ... western box grid, progressing sequentially eastwards from transect 1 to 7, sampling two transects per ... -34 Longitude (degrees) Figure 1: South Georgia and the 200 m (grey) and 1 000 m (black) depth ...
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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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
: Общий вылов криля (т) по статистическим подрайонам южной Атлантики за каждый сезон с июля 1997 по июнь ... . The vertical dashed lines separate three predator units (see text for explanation). 1 2 3 4 5 6 ... period in each fi ne-scale area (0.5° latitude x 1° longitude) is shown in Figure 5. This indicates ... model of predator units can be formulated for the South Atlantic area as shown in Figure 6. Such a ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Auteur(s): Constable, A.J. and S. Nicol
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
) птенцов по непосредственным подсчетам на о-ве Бешервез в районе станции Моусон в сезон размножения 2007 ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 ... Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 ... 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 10 20 30 40 50 60 C ou nt Date A O n es t a ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery