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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
College London London SL5 7PY United Kingdom Email – rich.hillary@csiro.au 2 MRAG Ltd 18 Queen ... on the haul-level survey data to estimate the length frequency of the current population. 2. Use a ... normalised to obtain the population length fre- quency: l l i i I p I = å . (2) In Figure 1 the ... stratified and aggregated den- sity-at-length from the 2009 survey can be seen and in Figure 2, also for ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Autor(es): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
et les plateaux continentaux. D'apres les resultats, la CPUE a tendance 2 varier selon les sous ... the waters beyond the 2 500-metre depth contour. Krill length measurements were taken as total ... 48.1 CPUE SE N 15 020 3 214 33 2 127 292 65 5 410 610 40 9 915 972 141 2 861 198 126 5 315 ... al. Table 2: CPUE (in kilogram/hour) of the Soviet commercial krill fishery. Numbers give the range ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Autor(es): Siegel, V., V. Sushin and U. Damm
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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.)
, (1900) La Plata, Argentina 2. Centro Nacional patagonico, 28 de Julio 28 (9120) Puerto Madryn, Chubut ... Figure 1. In both places, the intrinsic population growth rate is positive (Figure 2). In 1982 in ... ~ \ ..... .- -- --#";:::: --:::-:~ ;;f.C...... .\ . -~;::; Al·....... ..... \ ., ~/::~/~ ;;~ -'/~-2 ... ~ ,~ .,... --'..- . /, ~-... ,,"''::..... .. '~ ,... .~ -- / I/Z-/-' // . . - --""'-. \.,'-,~ ~~-::...7/· /~/ ~~~---_ '-..;:~ o k.""~'.~ "'0 2(}'---z=-ZO' 1 b ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Autor(es): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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Characteristics of krill swarms from Prydz Bay
within a radius of 100 km of a monitoring site (SC-CAMLR-IX, Annex 6, paragraph 101). 2. METHODS ... to 10 m and the minimum ISL to 2 m, to ensure that the shortest 'swarms', single ping encounters ... SC-CAMLR (1991), at 120kHz, extrapolated for E. crystallorophias). swarm radius (m) = A (2/n ... ) =p. A,2. (4/1t).w.O'v = intercepted swarm length (m) = swarm thickness (m) = target strength s v ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Autor(es): Agnew, D.J. and I.R. Higginbottom
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Fishery Report 2017: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
), outside the CAMLR Convention Area. 2. Trials of trawl fishing, which were conducted by Japanese vessels ... 2003 to 2013 was 2 568 tonnes; this implies a depredation rate of 28% of all fish caught for this ... in Subarea 58.6 was 822 tonnes (Table 1). http://www.ccamlr.org/en/wg-fsa-10/10 2 Table 1 ... tagged, of which 655 have been recaptured (Table 2). Table 2: The number of individuals of ...
Document : Site Section: Publications
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
des oiseaux de mer sur le stock avant la saison de p@che de manii.re 2 evaluer le nombre de pre ... , servent debase 2 l'evaluation rkaliste des taux de capture possibles. B npeAAeepmH ~anb~ef iurero ... AaHHbIX. n o CaMbIM CKpOMHbIM 04eHKaM o 6 u ~ f i 0 6 ~ 2 ~ no~pe6neuasr BHAa M. hyadesi B Mope CKOTHR ... mean daily catch rate of the Ihn Sung 101 in June 1996 was 7.5 + 6.1 tonnes (Table 2) but if the catch ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Autor(es): Rodhouse, P.G
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WG-FSA-08/60
, and recommends simplification of the rules in the circumstances governing data collection. . 2 ... 2. A REVIEW OF THE AUTOLINE METHOD AS USED BY NEW ZEALAND FISHERS WITHIN THE CONVENTION AREA ... time is not uncommon. Figure 2. General arrangement for an autoline set. c. GENERAL ... gear • Seabed contour. S.2. The vessel is slowed to about 5 knots, as the floats are thrown ...
Document : Site Section: Publications
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
periode de couvaison des jeunes, cependant, a savoir de mars 2 mi-mai, les oiseaux adultes des deux sexes ... brood-guard period (mid-March through mid-May; Figures 2 and 3) is completely different. At this time ... Georgia continental shelf. For males (Figure 2), 74% of their uplink locations were over the shelf or ... -guard period (when foraging trips last 2-3 days, on average) the foraging ranges of breeding adults ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Autor(es): Croxall, J.P. and P.A. Prince
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
strength of the back-scatter between the same vertical and horizontal limits. 2. MATERIALS AND METHODS ... recorded to at least 200 m on both sounders (e.g., Figures 1 and 2). Fifteen comparable integration ... between them (L\ MSBS) are shown for both sets of intervals in Table 2, and are plotted in Figure 3. The ... frequency change-over point is shown in both. Table 2 also shows the noise background at both frequencies ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Autor(es): Hampton, I.
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Environment–krill relations in the South Georgia marine ecosystem
-Scotia frontal zone for 1967-1988 (Fedoulov and Shnar, 1990); 2 - area for which water temperature data ... (Figure 3a). Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Figure 2: Seasonal variation in monthly ... CPUE indices: (a) interannual fluctuations of the CPUE indices: CPUE 1 - (April-June)/3; CPUE 2 ... -72 0 Year Figure 7: Interannual variation in ice-edge position. 1 - at 30°W in October; 2 - at ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Autor(es): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky