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1. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   the precautionary catch limit), to a uniform distribution between 0.8 and 2 (annual survivals of 14 ... , 1994b; de la Mare et al., 2002) but produces very similar length- frequency distributions (Figure 2 ... ). As evident in Figure 2, the distributions of length frequencies in 2002 with high proportions of ... areas were high (Table 2). Elephant Island, Joinville and the South area had Pearson correlation ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss

2. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   BbIqHCJIeHbI C 1 British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 OET, United Kingdom 2 ... to other statistical areas, subareas or divisions wherever possible (Task 2). This paper presents ... the results of these analyses. 2. MATERIALS AND METHODS The original FIBEX analysis was carried ... and 2. 2.1.1 Length Data Length frequency data were available from net hauls for all cruises ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

3. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   , USA Email – hlynch@umd.edu 2 Oceanites, Inc., PO Box 15259 Chevy Chase, MD 20825, USA 3 ... : Exploratory data analysis). These covariates are listed in Table 2. Data on nest attrition rates were based ... which each potential covariate (Table 2) was regressed against mean CID for each site. Temperature ... high temporal resolution to be used for this analysis. 2 Data downloaded from: http://pal.lternet.edu ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

4. The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3

   npOMbICJIOBbIMM 1 CCAMLR Secretariat, 25 Old Wharf, Hobart, Tasmania 7000, Australia 2 Instituto de Ecologia y ... different periods (see Figure 2). Vessel size was reported as 500 to 1 000 tonnes for Bulgaria and Russia ... (Tables 1 and 2). In the Chilean fleet six different hook sizes of four general types were used: • Type ... -CAMLR, 1992b). With the exception of vessel (e) (Table 2), the hooks used in the Russian fishery were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Author(s): Agnew, D.J. and C.A. Moreno

5. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   bias and imprecision for the CCODE model of the order of 2% while no increase was detected using the ... for D. eleginoides at HIMI ( ) 2/2 ; 0 1 ; La aS a a λ σ λ λ é ù- -ë û¢ = < £ = > (1) where ... values obtained from CASAL for Ground B trawl catches for season 2 (mid-season: 1 May–30 September) and ... B and C were 8 284 and 3 416 respectively, with trawl responsible for 2 158 of the Ground C num ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

6. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

   . Information utilized in this report was collected on board Zuiyo Maru No. 2 (3 023 tons, Hakodate Kokai ... Scotia Sea. 2. THE FISHING STRATEGIES 2.1 Favorite Krill Quality Three types of products were ... produced by Zuiyo Maru No. 2 : fresh-frozen krill (for fishing bait and food in fish culture), boiled ... capture, whereas meal can be processed much later. The major products of Zuiyo Maru No. 2 were fresh ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.

7. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   improved if its behaviour and performance were to be studied by means of mathematical simulation. 2 ... corresponds to selected natural mortality rate; (vi) steps 2 to 5 are then repeated for a range of values of ... natural mortality. (1) (2) The main principle of the natural mortality rate verification is based on ... regression equation (2) will be equal to zero (fishing effort is proportional to fishing mortality). In ...

   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

8. A simple approach for calculating the potential yield of krill from biomass survey results

   along these lines. 2. METHODS The mathematical detail of the calculations carried out is given in ... (a + t) = .e .. [ 1- e-{3(a+l)] O::;t::;l/o (2) Rosenberg et al.'s (op.cit.) fit to data ... are: a. =2; 4 ~=2;4 O's = 0; 0.5 A value O's = 0 is, of course, unattainable. It was selected to ... " set of parameter value choices. 4. RESULTS AND DISCUSSION Table 2 shows the estimates of A for the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

9. Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003

   /thousand hooks respectively in 2001/02 and 2002/03 (Table 2). Although the number of seabirds caught in ... a greater fi shing effort, the number of deployed hooks increased by 76%, Tables 2 and 3). Also ... zones) (Figure 2). Incidental by-catch (by-catch rate Fig- ure 2a and numbers of birds Figure 2b ... ± 0.06 birds/thou- sand hooks (March). Table 2: Summary of observed incidental mortality of seabirds ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Author(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol

10. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

    mainly inhabit waters between 500 and 2 500 m depth (Salas et al., 1987), living near the bottom and ... comparative analyses. 2. CHILEAN FISHERY LEGISLATION The fishery of D. eleginoides is regulated in Chile ... ) (Figure 2). Sections of different types of hooks were arranged randomly along the longline according to ... methodology described by Pope et al., (1983). Each section comprised of 150 hooks placed 2 m apart on 60 cm ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.

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