Résultats de la recherche

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

   , should aim to produce an as- sessment within a 3–4 year time frame of research commencing (SC-CAMLR ... ) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ... 60 75 90 1 10 27 28 29 30 31 32 34 2 15 21 22 24 25 26 27 28 3 20 17 17 19* 20 21 22 23 4 25 15 16 ... % SSB0 reference lines are shown). 0 20 40 60 80 0 1 2 3 4 S pa w ni ng B io m as s x 1 03 ...

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

2. Fishery Report: Champsocephalus gunnari (ANI) Heard Island (Division 58.5.2)

   Parameter values ................................................................... 4 Fixed parameters ... ................................................................... 4 Standing stock ...................................................................... 5 ... Initial age structure and proportion of biomass-at-age .......................... 6 4. Stock ... (30)* 4 * Research and by-catch limit in brackets. 1.2 IUU catch 2. There has been no evidence ...

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3. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   the IUU model 54 S 6 2 4 56 S Shag Rocks 52 S 50 S 50 W Subarea 48.3 South Georgia Island ... Shag Rocks Areas used in the IUU model 1 2 3 4 5 50°W ... areas most frequently covered by other vessels are Areas 2 and 4, whereas all recorded incidents have ... IUU cruise, B, was Bi,y = Ha,y Ai,y (q Ma,s + (1–q) Ma,w) (4) where H is the average number of hooks ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

4. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   3. Summary of the longline fishery ....................................................... 3 4 ... -CAMLR-XXIX, paragraph 6.5). 1.3 Size distribution of catches 4. Data from the longline fishery ... FRA EEZ 4 Table 2: Number of records extracted (sets), catch (tonnes), number of vessels ... 0 0 0 8 1998/99 0 0 0 0 0 0 0 0 0 9 4 0 13 1999/00 9 23 26 22 53 16 30 133 73 0 53 25 463 2000/01 ...

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5. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   . Summary of the longline fishery ....................................................... 3 4. Stock ... . There was no evidence of IUU fishing in 2008/09 and 2009/10. 1.3 Size distribution of catches 4 ... /092009/10 TOP586 FRA EEZ 4 Table 2: Number of records extracted (sets), catch by SSRU (catch ... 1997/98 8 12 12 1 1.5 0.26 1115 1998/99 13 25 4 29 1 2.2 0.16 1282 1999/00 455 <1 641 355 996 6 ...

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6. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   (gonads developing) to 4 (ripe) and 5 (spent). Catch and effort data were used to estimate toothfish ... , then the biomass for the local area being fished (BLOC) is given by: ˆ LOC c B = m - (4) Using ... . Division 2003 2004 2005 2006 2007 2008 58.4.1 Number of vessels: 0 0 7 6 4 6 Hooks set (thousands): 0 ... 0 3024 2109 4025 3035 58.4.2 Number of vessels: 1 1 4 3 3 3 Hooks set (thousands): 606 216 1373 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

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

   (Figure 4). The distribution of catches by species was highly dependent on depth strata, with average ... each survey, with 4 124 kg/n mile2 in 1985, 13 219 kg/n mile2 in 1991 and 18 173 kg/n mile2 in 1999 ... 4 957.84 159.32 203.87 814.92 84.11 251.12 10.89 8 021.48 Changes in biomass of fish ... 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 ...

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

8. Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)

   ......................................................................... 4 3. Parameters and available data.......................................................... 4 ... 3.1 Standardised CPUE ................................................................ 4 3.2 ... .............................................................. 7 4. Stock assessment ... fishery over time. Current effort is spread evenly over the fished areas. 1.2 Total removals 4. The ...

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9. Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.3a

   .................................................................................. 4  Life-history parameters .................................................................... 6 ... limit for Dissostichus spp. was set at 86 tonnes but in 2013 was reduced to 32 tonnes. 4. In 2013 ... (tonnes) D. mawsoni D. eleginoides Total 2005 250 9 97 105 98 2006 250 1 88 89 0 2007 250 1 3 4 0 ... 2008 250 0 9 9 0 2009 86 0 31 31 0 2010 86 0 0 0 0 2011 86 0 4 4 * 2012 86 0 37 37 * 2013 32 0 16 ...

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10. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

    t t a t a a t a t S FC N S F M M S F (4) where Nt,a is the number in the population for a given ... + +- = - - -t a t a t a a tN N N S F M . (5) Candy 4 Equations (4) and (5) are denoted the BODE model ... ). To estimate Ft from equation (4) using known numbers caught in each age class, assuming M and Sa ... - ately scaling F(δt') given Nt,a and Sa given that the annual catch, equation (4), is well approximated ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.

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