Résultats de la recherche
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
and probably in the long term. As in Figure 2, 1 March-30 April Mean of ln(recruits) Standard ... la CCAMLR, empecherait 2 tout jamais l'ouverture de la pCcherie. La discussion porte sur plusieurs ... might provide information on potential recruitment. 2. Water-mass circulation with particular ... management plan is given in Figure 2. The central approach, as with most fisheries assessments, would be to ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study
- tial and temporal subsetting occurs. 2. The procedure loops over the data one case at a time, taking ... repetitions . . . . . . nReps 3 2 1 . . . . . . . 3121 3205 4159 Fi na l e st im at es ... 3202 3121………………… 2 3……………nReps1 .2 . . . . 3 . . . nCases 41591 CASE Estimation ... 2 3 4 5 6 7 a b c d . . . . . . . 1 0.9 0.8 min DF 0.6 1 0.8 max Date uncert ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Auteur(s): McKinlay, J., C. Southwell and R. Trebilco
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ... (1992, Table 2) , where sample sizes for normal animals and those infected with rhizocephala are ... , summarised from Hoggarth (1990) and given in Table 2 below, suggest that the level at South Georgia is ... . callosus (in %) with total sample size in brackets, obtaineg from Table 2 in Otto and MacIntosh (1992) and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
. Parkes. 1998. Analysis of haul data from the South Georgia krill fi shery. CCAMLR Science, 5: 9–30 ... метапопуляционной структуры промысловых видов. С интеграцией этих компонентов связано 2 типа единиц: «единицы ... (Figure 2). This latter point is important because if two predator colonies feed in the same area then ... . Whales Island Harvest spp. Figure 2: Schematic diagram showing possible relationships between foraging ...
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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Management and assessment options for the crab fishery around South Georgia
Crabs, 28-30 Nov . 1989, Anchorage, Alaska. University of Alaska. Fairbanks: 575-585. ... potential yield for Subarea 48.3 of 2 210 tonnes or estimates of commercially-sized crabs of between 48 ... , Hobart, Australia: 2 pp. Beddington, J.R. and J.G. Cooke. 1983. The potential yield of fish stocks. F ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Auteur(s): Basson, M. and D.D. Hoggarth
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
. gibberifrons (less than 30 cm) caught offshore (Kock et al., 2002). It is important to note that these ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff
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The utilization of seabird censuses for krill monitoring
generated by means of the vector of parametric orthogonal functions : (1) a'(t) = (1/1"2 ),sin t, cos t ... are calculated as a linear function of t for the point x (2) Fx (t) = a'(t) • x, and the values ... generated by (1), F(t) functions are calculated for the 72 observations according to (2). These 72 values ... sufficient with the data set at hand. - 400 - 2. Function contour plotting: Taking the centroids of ...
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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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
annuelle reelle, specifiee 2 la quatrieme reunion, reduit nettement la probabilite que la biomasse ... 'model 2' - the model with modifications specified by the Third Meeting of WG-Krill (SC-CAMLR, 1991 ... ( ). Thus selectivity: for e < P, = e:O - W, / 2 S = (!-!,)/(!,-P,) for!, e, = !F0 +W ... , / 2 (2) and for the proportion mature-at-length: for e < e, = e:; - W, / 2 Pg = (P-!,)/(!, - Q ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
detection is also discussed. 2. DETECTIONOFINTERANNUAL VARIATIONS IN THE MEAN SIZE OF KRILL EATEN BY ... Lower Upper aicp 44.1661 42.54 45.93 2 apCD 10.2986 7.33 14.98 c?oCY 32.6738 12.91 51.62 The ... krill (those yielding maximum information at a fixed cost) were calculated from: ... np = 2 CD'O ... "PCD ---- = 1.89 C p • O"tcr 2 C K • 0" PCD = 20.71 These optimal numbers are sensitive to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Auteur(s): Marschoff, E. and B. Gonzalez
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Toothfish, Dissostichus eleginoides, at South Georgia
and have therefore sought to investigate this claim. 2. MATERIAL AND METHODS A small sample of ... microscope. Photomicrographs of the sections are shown in Figures 1 and 2. 3. DISCUSSION All of the five ... in the month (Parkes et al., 1990). Histological sections of the ovaries show ova approximately 2 ... they were at stage 2 when caught. Testes are clearly developing and consistent with the observation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Auteur(s): Everson, I. and S. Campbell