Résultats de la recherche

1. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   643) 273 (129-1 073) 4 225 (1 764-18 647) 4 824 (2 297-18 318) 108 (56-156) 1 119 (491-5 313 ... ) 3 949 (2 004-11 510) 5 175 (2 997-12 203) 12 (3-40) 386 (179-1 599) 4 586 (1 890-20 846) 4 ... 2 089 (640-15 999) 4 141 (2 741-7 241) 47 252 (22 042-134 375) 53 483 (27 924-140 646) 5 7 (17 ... (551-4 280) 3 016 (2 027-6 073) 1 859 (887-7 594) 5 962 (2 994-17 599) 2 610 (1 344-7 012) 10 ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías

2. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   model (4) The log-link function falls within this family of power-link functions when θ = 0 while the ... systematic component specifi ed by model (2) or (4)) with the power variance function. This requires ... (PQD), D, given for model (4) by 0 0 , ˆ, , , ˆ , , ij ij ij ij iji j D y E D y d θ η λ λ ... θ μ λ λ ∑ (5) where the formula for the deviance contribution, dij, for the power variance ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G

3. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   standard deviation (sd) are indicated. Colony n x ro 1 5 162 3.03 2 3 53 1.00 3 4 104 6.38 4 4 74 ... Smallest Difference (d) (5 %) 30 51 (% Current Value) ( 1 0 %) 9 1 4 Table 3: Parameter A2: Length of ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ... = 0.05 Smallest Difference (d) ( 1 0 %) 24 38 (% Current Value) (20 %) 7 1 0 (30%) 4 5 Table 5 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.

4. Trawl bag selectivity in the Champsocephalus gunnari fishery

   4 5 6 7 1 312 17.06 12.05 11 3000 25 2 313 11 13.55 10 2000 10 3 314 11 15.37 20 4500 51 4 315 ... ) specimens 0'$ H O'H B O'B H2 - B2 G O'G E- H2 1 2 3 4 5 6 7 8 9 10 11 19 1 68.0 - 21.0 - 18 ... 25 2 - 2 - 7 1 1 5 9 26 12 1 10 1 32 6 1 25 44 27 14 3 6 5 60 2 1 57 74 28 18 3 11 4 56 3 1 52 74 ... 878 16 5 857 1100 303 Table 4: Mesh selectivity data for C. gunnari: Covered codend experiments ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Auteur(s): Bidenko, V.G. and I.G. Istomin

5. Fishery Report 2018: Champsocephalus gunnari Heard Island (Division 58.5.2)

   annual F 5 5 4 3 2 1 0 13 Tolerance to finding F 1E-05 Fishery projection Age ... estimated biomass (including 4+ and 5+ cohorts; black) with confidence intervals (grey) and lower one-sided ... 95th confidence bound (red), and stock assessment projections (excluding 4+ and 5+ cohorts; colors ... -02. The catch limit of C. gunnari for 2018 was 526 tonnes. 4. In 2018, fishing was conducted by one ...

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6. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   2 960 5 120 15 650 4 480% 1 440 2 020 16 400 18 900** By-catch of Antarctic Fish in ... , comprising 4 9 % of the total mass of the food bolus. The data given in Figure 5 indicate that C. gunnari ... fingerlings may included 11 taxa (Table 5). Among these, prey on N. l a r s en i fingerlings (Table 4 ) and ... . were the most frequent. Only 4 and 5) could provide an explanation for the two species, E. superba ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Auteur(s): Pakhomov, E.A. and S.A. Pankratov

7. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   ) Change in years to recover to 50% SSB0 1 0 –3 2 0 1 3 0 –2 4 0 –2 5 0 1 6 4 –2 7 –4 ... 3 8 0 –2 9 0 0 10 0 –2 11 0 9 12 5 –4 13 –6 7 Welsford 54 Studies that have ... , should aim to produce an as- sessment within a 3–4 year time frame of research commencing (SC-CAMLR ... . The unfished median biomass (B0) was set at 5 000 tonnes, to be within the range of total aggregate ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C

8. Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b

   2. Stocks and areas ......................................................................... 4 ... 3. Parameter estimation ................................................................... 4 ... 3.1 Observations ........................................................................ 4 3.2 ... Fixed parameter values ............................................................ 4 4. Stock ...

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9. 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

   /12 to 4/12) (b) six months: April to September (t = 5/12 to 11/12), and (c) uniform intensity ... Bvqyear 31)/K5i' (= B,,,,/KsI') have been plotted against y. Thus Figure 4 shows the median, 5% and 95 ... equations (A.4) and (A.5) - excludes the possibility that krill shrink during the winter). Figure 6 ... , , . . . , . . , , . . . , . . , . , , . , , . , , . . , (i) 0 .I .2 .3 .4 .5 .l3 Fishing season (a), December-February (ii) Y Fishing season (b ...

   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

10. Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)

    Subarea 48.3, Table 4 A - 1992/93 Subarea 48.3, Table 5 A - 1992/93 North Bank, Table 6 A - 1992/93 ... ) Total Number of Series with Correction Applied 17 5 3 4 0 61 Total Numberof Data Series ... Slope fb 0.05) 3 5 1 2 0 4 1 2 Parkes et a1 for all of the regressions on datasets A, B ... , Table 4) and the lowest is only 6 out of 19 (dataset A, Table 5). Eighteen of the 107 data series ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young