Résultats de la recherche
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
). Pseudochaenichthys georgianus larvae of 12-30 mm SL were found on the shelf near the north-east coast of South ... East Bay about one month later when they were 10-30 mm SL. Psilodraco breviceps larvae of 11-27 mm ... -2 m depth was sampled by horizontal tows of 30 minutes duration using a Foredeck Net (FNet) (1 m2 ... depth strata. These net hauls were at 250-150, 150-70 and 70-2 m depth, each for 30 minutes duration ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Auteur(s): North, A.W.
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A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... transects at 17° and 200W in the latitudes from 37°30' to 55°30'S. The survey was mainly focussed on ... , entre les latitudes de 37°30' et 55°30'S. La campagne d'etude etait principalement axee sur un examen ... (OJIb ,l(BYX Mepl-i,l(l-iOHaJIbHbIX pa3pe30B Me)l{,l(Y 17° I-i 2003.,l(. I-i 37°30'-SS030'IO.w ... latitudes 37°30' y 55°30'S. La prospeccion estuvo enfocada en el estudio de la distribucion de Electrona ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Auteur(s): Zemsky, A.V. and S.A. Zozulya
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Results of fish stock assessment survey, South Georgia region, November - December 1986
226 kg and 2 355 kg/30 min. tow, division 65) (Figure 7). Catch per tow was highest between 251-500 ... /30 min tow. Most biomass was concentrated between 151-250 m (Table 1). - 150 - Biomass estimates ... since 1984/85. When length frequencies 30 cm or greater are considered, in 1984/85 about half the ... ' 1"0/ ,9, o 10 20 30 40 LENGTH, CM 50 Figure 3. Length frequency distribution, li. rossii ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
trawl was towed at 3-3.5 knots for 30 minutes. Catch- ability was assumed to be 100%. Approximately ... .) Vessel, Date Parameters East North South West Evriltn 30/03-07/04 1988 Gizlr ign 25/05-08/06 1984 ... Arzclzar 29/05-07/06 1990 Gizlliga 30/05-29/06 1986 P. Lafvii 08/ 07-24/07 1989 Gizlr iga 07 ... Rocks Ailclznr L = 15-25 cm ('X,) 07-30/04/1990 L = 26-39 cm (%) L = 40 cm plus (%) Averagelength ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Auteur(s): Frolkina, G.A
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
past harvests of krill taken within a grid of 0.5" latitude by 1" longitude (approximately 30 km by ... 30 km) between 1972 and 1994. They are taken as indicating the consistent presence of harvestable ... -shaped area with an angle of approximately 30". Whilst fast-ice was still present they walked to the ... . crystalloropkias ("10 1 1 -9 13 - 42 5 7 30 4-9 Adelie penguins were tracked from Petrel Island during ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Attribtuion of acoustic echoes to squid in the south Atlantic
net opening to 25-30 m in height. A depth sensor was attached to the net and this was used to ... 16 Feb 96 00:30 Latitude Longitude 50°12.85'S 40°47.18'W 50°16.98'S 40°37.27'W 5O0O9.58'S ... 02:lO 25 12:lO 2 0 01:30 100 02:25 130 01:45 80 00:30 20 01:55 150 01:30 60 ... 00:45 20 02:OO 70 - 100 02:lO Mautialia hyallesi 0 2 310 30 28 7 36 0 50 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Auteur(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
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The utilization of seabird censuses for krill monitoring
tractable form, defining a model to be applied in hypothesis testing. Results given by each of the ... generated by means of the vector of parametric orthogonal functions : (1) a'(t) = (1/1"2 ),sin t, cos t ... , sin 2t, cos 2t, ... ) the parameter t is kept between pi and minus pi. - 399 - The projections ... are calculated as a linear function of t for the point x (2) Fx (t) = a'(t) • x, and the values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
2.23 0.17 0.68 49 Genetic diversity in the Antarctic toothfi sh 30 recaptures have moved ... populations that could form the basis of separate management units in this developing fi shery. Further ... had a T > C transition at position 198, and two AAT individuals had a G > A transition at position ... inferred from a molecular phylogeny. Nature, 368: 539–542. Orsi, A.H., T. Whitworth III and W.D. Nowlin ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): Smith, P.J. and P.M. Gaffney
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
when they were in the same area. Dj = Lj – Ej (9) This follows the same form as the calculated Dj ... patrols starting every 30 days and lasting for 16 days. All dates are given in number of days from some ... is patrolling the region. Vessel Starting date Ending date One 30 44 Two 60 74 Three 90 104 ... evasion for the fi ve cruise simulations. The line is a linear least-squares fi t to the data. The ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Auteur(s): Ball, I
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CCAMLR ecosystem monitoring and management: future work
scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... the ecosystem, noting that Constable 238 T ab le 1 : C ha ra ct er is ti cs o f t he ... e ec os ys te m . d e la M ar e (1 98 8) B ut te rw or th a nd T ho m so n ... (1 99 5) ; T ho m so n et a l. (2 00 0) M an ge l a nd S w it ze r (1 99 8) C ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J