Résultats de la recherche
-
Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.2
1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 3 2. Stocks ... Dissostichus spp. in Division 58.4.2 changed to an exploratory longline fishery. 2. The limits on the ... 1). In 2012, two TOT 58.4.2 2 vessels operated in the fishery and caught 53 tonnes of ...
Document : Site Section: Publications
-
An assessment of toothfish in Subarea 48.3 using CASAL
collated by 10 cm length class (Table 2). The scanned catch in each length class each year, required to ... ______________________________________________________________________ 2 The logistic curve is exp( ) ( ) 1 exp( ) a bl p l a bl + = + + , where p(l) is the ... parameters a1,i, sL,i and sR,i defining the double-normal selectivity ogive 2 1 /2 Lx a sf x for x ... ≤ a1, and 2 1 /2 Rx a sf x for x > a1; 69 An assessment of toothfish in Subarea 48.3 using ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
-
Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
, and are now estimated to be 1-2 birds/thousand hooks (SC-CAMLR, 1998) for unregulated fishing ... between the number of hooks observed on each set were minimal (Table 2), the Generalised Linear Models ... contours are: 500 m, 1 000 m and 2 000 m. Table 1: Observations made during line setting. Experiment 1 ... (sets 5-12), experiment 2 (sets 13-24). DIM = Black-browed albatross C = Control PRO = White-chinned ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
-
Quantifying movement behaviour of vessels in the Antarctic krill fishery
before the next catch is landed (i.e. period between Cn+2 and Cn+3), then there will be a period of ... trends with catch level separately for each of the three periods: period-1: 1997/98– 1999/00, period-2 ... inspection of trends. results Catch statistics Figure 2 shows average and median values of catch/haul ... two periods (Table 2), but the number of Japanese hauls in period-3 was less dominant in relation to ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy
-
Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)
1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 2 2. Stocks ... Reported catch 2. The catch limit of D. eleginoides set by France in its EEZ in Division 58.5.1 for 2010 ... reported to October 2011 was 2 906 tonnes, and the catch history is shown in Table 1. The fishery began ...
Document : Site Section: Publications
-
Fishery Report 2014: Champsocephalus gunnari South Georgia (Subarea 48.3)
IUU catch ................................................................................ 2 Size ... gazella) and gentoo penguins (Pygoscelis papua). 2. Fishing for C. gunnari began in Subarea 48.3 in the ... and depth of fish). 2 Table 1: Catch history (commercial and research catches) for ... 13 1995 - 0 10 1996 - 1 000 0 1997 - 1 300 0 1998 1 4 520 6 1999 1 4 840 265 2000 2 4 036 4 114 ...
Document : Site Section: Publications
-
Using ecosystem monitoring data to detect impacts
) where p = P(A ≤ at). Method 2 Of course, values ≤at might have been observed previously, so more ... ÷ç -è ø . (2) The full version of the binomial density func- tion, which accounts for s > 1 ... ) Method 3 A variation on Method 2 is to assess the prob- ability of events observed within moving time ... as for Method 2 but replacing t with n ≤ t, the relevant reference period. This effectively weights ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
-
Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
distribution of the catches.................................................... 2 2. Stocks and areas ... 1973/74 - - 7 525 1974/75 - - 9 710 1976/77 - - 15 201 1977/78 - - 5 166 1989/90 - - 2 1991/92 ... 1 160 2 1999/00 2 916 137 2000/01 2 1 150 1 136 2001/02 2 885 865 2002/03 2 2 980 2 345 2003/04 ... 2 292 78 2004/05 2 1 864 1 851 2005/06 1 1 210 660 2006/07 1 42 1 2007/08 1 220 199 2008/09 1 ...
Document : Site Section: Publications
-
Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
.................................................................... 1 1.1 Reported catch ...................................................................... 2 ... 1.2 IUU catch ........................................................................... 2 1.3 ... Size distribution of catches ........................................................ 3 2. Stocks ... spp. in Division 58.4.2 changed to an exploratory longline fishery. 2. In 2010/11, the exploratory ...
Document : Site Section: Publications
-
Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen
): 1 ˆˆ ˆi j ijjp l q (2) where pi is the proportion of a population of age i = 1,2,3,...,n; lj is ... . Since the data remained reasonably symmetric, and ni ≥ 10 for ages i = 2…17, parameter estimates ... be used to generate the test statistic: Λ 2 0 22 log log ai N (6) which has a chi-squared ... trawler Kerguelen de Trémarec (Figure 2). Fish appeared to have recruited fully to the catch by age 5–6 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Auteur(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko