Search results
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
83/84 84/85 85/86 86/87 87/88 88/89 89/90 1 25.97 98.63 5.28 21.64 6.92 8.60 10.25 1.81 2 162.20 ... 167.08 18.20 39.62 207.12 12.42 128.89 3.13 3 428.08 120.92 47.05 34.01 276.94 70.06 14.47 29.09 ... 3. Catch in weight and standardised effort. Year Total catch Effort 80/81 29464 14142 81/82 47454 7182 ... [-0.048 ; 0.058] 1.00 -0.084 -0.051 [-0.414 , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Author(s): Gasyukov, P.S. and R.S. Dorovskikh
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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
a study in the fiord of CUmberland East Bay during 20 September to 5 october, 1983, approximately one ... (Figure 2). However, one month later they were abundant in CUmberland East Bay (Figure 20). Pagothenia ... species for all stations combined (normally only including data from specimens less than 80 mm SL ... (Figure 12). Nototheniops larseni larvae of 18-35 mm SL (n=83) and early juveniles of 50-80 mmSL (n=45 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
was conducted of East Antarctica (30°E to 80°E). The suite of measurements included physical oceanography ... - derived estimate. This figure demonstrates that the modelled estimates of production are within 20 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Attribtuion of acoustic echoes to squid in the south Atlantic
100 02:25 130 01:45 80 00:30 20 01:55 150 01:30 60 00:45 20 02:OO 70 - 100 02 ... patches. The fourth daytime haul was towed at 130 m, 80 m and 20 m, but all of these sections ... 20 m below the ship's hull in accordance with a standard method (MacLennan and Simmonds, 1992 ... the integrator observations between 20 m and 50 m for the main part of the haul that contained targets. Figure ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Author(s): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley
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Book review: Fish and Fish Resources of the Antarctic
conducted by other countries in the 1970s and 80s under the BIOMASS Program and CCAMLR. Apart from general ... the broad area of open Antarctic waters only just over 80 meso- and bathypelagic species (30 families ... and other countries, as well as CCAMLR sources, the author identified about 20 highly abundant species ... abundant species of myctophids that form dense concentrations; this is approximately 4% of the 80 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Author(s): Shust, K.V
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
19 000 tonnes, about 20% has been taken from the northern ground SSRUs (881A–881G), 70% from ... 0.20 1 510 2000 3 489 752 1.57 0.33 2 281 2001 7 687 625 0.91 0.18 2 090 2002 2 434 1 365 3.17 0.56 ... 2 80 205.8 2.57 0.72 2008 31 171 383.6 2.24 0.70 Ross Island 1999 1 18 10.3 0.57 0.66 2007 ... 7). There was a mode at 80 cm in 1999 and 100–115 cm in 2007. The fish distribution near Terra Nova Bay tended ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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The survivorship of rays discarded from the South Georgia longline fishery
12 hours, adjusted for the ‘50% survivorship’ category of Table 1. 0% 20% 40% 60% 80% 100 ... % 1100–1299 1300–1499 1500–1699 1700–1900+ Depth zone (m) S ur vi vo rs hi p (% ) 100 80 60 40 ... 20 0 Endicott and Agnew 160 Table 4: Results of a binomial GLM in S-plus examining ... 3 14.3 90 82.6 0.002 Wind speed 3 1.92 89 80.76 0.166 Sex 1 5.10 88 75.66 0.023 Total length 3 0.94 87 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
e 1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 Figure 1: Dives per minute of white-chinned petrels ... each deployment) was reduced to 20 m based on the slower setting speeds typical of this gear type ... ) used, typical of pelagic gear (20–35 m), and the vessel speed of 10 knots (demersal gear is rarely ... % of dives occur ring within 80 m of the stern respectively. That most 195 Streamer line effectiveness ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Author(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
before 20 days at liberty. The median value of days-at-liberty was 163. Only mark–recapture length ... than 20 years in age. This is due to the combined effect of natural and fi shing mor- tality ... for ages in the 8– 20 year range. This translated to larger predictions for the MLPLB-fi tted curve ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
is 90% (Conservation Measure 17/VIII) or 80% (Conservation Measure 25/IX) of the TAC the Executive ... 2) and C. gunnari in 1990 respectively) eVe =0.2 d=5 eVd = 0.5 a. = 0.5 A= 80 L=O.S (coefficient ... %, and were calculated from 20 x 400 iterations of the simulation. Mean over-shoot was almost always ... +-, _""---'-, _....---..,-_-.-----.,_--,-. _~,--..::;::. ~L'i"=-, ---,-E--j 40 50 60 70 80 90 "10 of T AC required for a decision Figure 4: Model ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Author(s): Agnew, D.J.