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1. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   considered by Miller and Hampton (1989a) using simple two-level models. 2. DATA AND METHODS The krill ... } + Ail e-A,lY]-l, and Y is related to the (typical) radius of the concentration. (1) (2) The ... of proportionality for the two expressions of equation (2) could differ, but in the interests of ... radii, so that the true probability function would be some weighted average of equation (2) over ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Autor(es): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

2. Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys

   within the range 0 to 100 metres from the surface. Albatrosses are unable to dive deeper than about 2 ... Chinstrap Penguin 23 Nov-13 Dec (guarding) or 2 Jan (creche) 20 Dec-13 Jan (guarding) or 21 Feb (creche ... Figure 2. Very little of the area is unsuitable for survey. Appropriate periods for predator monitoring ... guarding phase is completed by about 2 Jan and creche phase by about 21 Jan. A survey timed to last for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Autor(es): Everson, I.

3. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   suspended over the mouth of the net (Figure 2). The apex of the barrier was attached on either side ... entanglements could have been taking place but were impossible to observe. 2 No specific mitigation measures ... (Figure 4, measure 2). The fi nal modifi cation was the introduction of a large mesh barrier (Figure 4 ... in the roof of the net immediately in front of the barrier (Figure 6, measure 2) and the funnel and ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Autor(es): Hooper, J., J.M. Clark, C. Charman and D. Agnew

4. Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96

   Archway Bay and Van den Boogaard River (Figure 2). However, the number of clutches laid decreased at ... correlated (Table 2). The mean number of eggs hatched per clutch varied between 0.41 at Trypot Fault in ... significant (Table 2). Chick survival ranged between 36% at Trypot Fault in 1994/95 and 93% at Van den ... Boogaard River in 1988/89 (Figure 9). The overall mean value for chick survival was 71% (n = 2 306 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Autor(es): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford

5. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   acoustic transects, varied between 1990 and 1991 (Figures 1 and 2), but became standardised from 1992 ... 1990, surveys 1 and 2 were combined and surveys 3 and 4 were combined. Acoustic data were filtered to ... AMLR survey design. Surveys 1 and 2 were combined and referred to as 1990A. Surveys 3 and 4 were ... availability near to Seal Island. Figure 2: 1991 AMLR survey design. Shaded box indicates area subsampled for ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer

6. Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity

   thon rouge) ont pu @tre associes a des nids d'oiseaux de mer a l'ile Marion. Les debris marins lies 2 ... lies B la psche) l'etaient aux albatros 2 t@te grise et aux petrels geants antarctiques. Trois oiseaux ... greatly between these three species (Figure 2). More than three quarters of the marine debris (78 ... -fold increase in the amount of fishing gear collected (Table 2). The proportion of debris originating ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Autor(es): Nel, D.C. and J.L. Nel

7. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   des oiseaux de mer sur le stock avant la saison de p@che de manii.re 2 evaluer le nombre de pre ... , servent debase 2 l'evaluation rkaliste des taux de capture possibles. B npeAAeepmH ~anb~ef iurero ... AaHHbIX. n o CaMbIM CKpOMHbIM 04eHKaM o 6 u ~ f i 0 6 ~ 2 ~ no~pe6neuasr BHAa M. hyadesi B Mope CKOTHR ... mean daily catch rate of the Ihn Sung 101 in June 1996 was 7.5 + 6.1 tonnes (Table 2) but if the catch ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Autor(es): Rodhouse, P.G

8. Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer

   his observations are discussed below. 203 2. MATERIALS Six 24 hour stations were carried out ... . superba per haul (for all stations) are given in Figure 2. These data show different average sizes of E ... - 41.1- 43.1 mm. Despite the complexity of the curves this pattern can be also seen in Figure 2 which ... , that the average size of animals is most variable during the light period of a day (Figure 2). All ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina

9. Integration of CPUE data into assessments using the Generalised Yield Model

   o u e H K e p b 1 6 ~ b l x sanacos (WG-FSA) I l p l i 2 l a e T 6orrbzuoe 3HalIeHMe p a ' 3 p a ... values of {B,,,,,, lz = 1, 2, ..., N } , according equal weight to each of the N values. Now suppose ... that the CPUEs are lognormally distributed, the negative (1. - i B J 2 log-likelihood of the CPUEs ... with respect to the D = C simulated biornass trajectory is given up to a I!=' ( e C 2 - I ) ( ~ B ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Autor(es): Kirkwood, G.P. and A.J. Constable

10. The use of predator-derived krill length-frequency distributions to calculate krill target strength

    ). Year TSnet TSPred Difference (dB kg1) (dB kg-') ("/.l Table 2: The percentage difference in target ... TS calculated using length-frequency distributions from nets and predators (Figure 2) ranged from ... predators was reduced even further such that it ranged from only 0.004% to 1.5% (Table 2). DISCUSSION ... ) (December) 0 2 0 1 TS (dB kg-') = -38.77 0.15 - 1.1 . . Krill length (mm) (February) Figure 1: The ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Autor(es): Reid, K. and A.S. Brierley

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