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1. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

   with a horizontal open- ing of ca. 20 m and a vertical opening of ca. 30 m was used throughout the survey. Inner ... : (a) Protomyctophum choriodon. (continued) A 0% 10% 20% 30% 40% 50% 60% 70% 40 50 60 70 80 90 Standard ... (n = 20) 2004 (n = 33) 2008 (n = 643) 70 60 50 40 30 20 10 0 P er ce nt ag e co m po si ... 90 Standard length (mm) (a) Iwami et al. 160 C 0% 10% 20% 30% 40% 50% 60% 20 30 40 50 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Author(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

2. Estimating krill recruitment and its variability

   rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from nine surveys ... a mean recruitment rate for 1+ krill (the ratio of the number of krill aged one year to the number ... of krill aged one year and above) of 0.339 with a standard deviation (SD) of 0.100. The corresponding ... of surveys show very low densities of putative one-year-olds. Either these animals were indeed largely ... 9 8 7 6 h Y .M 5 a 4 3 2 1 0 0 10 20 30 40 50 60 70 Length (mm) Figure 1: Schematic mixture distribution generated from five ... expected for Antarctic krill. 0 10 20 30 40 50 60 Length class (mm) Figure 2: Fit of a mixture ... l Estimating Krill Recruitment and its Variability 20 30 40 50 60 Length (mm) 100 90 Nella Dan: ADBEX ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K

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

   petrels is explained by the time of year, geographical area and type of longliner (manual versus automatic ... of the mortality of white-chinned petrels and grey petrels is explained by the time of year, geographical area ... petrels is explained by the time of year, geographical area and type of longliner (manual versus ... of seabirds in these areas. Materials and methods Collection of data The fi shing year extends from ... in the analysis of incidental mortality. Parameters Data Year Year 2001/02: from 11 September 2001 to 27 July ... 2002 Year 2002/03: from 1 September 2002 to 31 August 2003 Season Summer (September to April ...

   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

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

   6onbruoe Bo3paCTaHHe MeXAy IIoneBbIMH Ce30HaMH 1996197 H 1997198 r r . B TOT nepr?on npoMbrcnoBbIe ... unregulated and sanctioned longline fishing for Patagonian toothfish within the 20 n mile Economic Exclusive ... -chinned petrel chick stomach had a 59 cm monofilament nylon snood attached to it, and together had ... AND CONCLUSIONS Entanglements Incidental Finds Four seabird entanglements were observed during the two years ...

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

5. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database

   for the estimation of distribution during the breeding season for all 20 albatross, petrel and shearwater species ... two colonies, together rep- resenting <1% of the population of this species, and for this reason ... also been identified as varying between years, though analysis suggests that while differences do ... periods that apply to Subarea 48.3 (open 1 May–31 August, closed 1 September–30 April). Assessment ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Author(s): BirdLife International (prepared by C. Small and F. Taylor)

6. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   in bun- dles by netting bags stitched together from trawler net. This is an antiquated line-weighting ... , with each basket containing two lengths of hook line. The lengths of hook line are tied together to form ... - eter polypropylene hauling line, 8 mm diameter polypropylene branch/connecting lines (20 m long ... was sepa- rated by 100 m of connecting line (hookless fishing line), which took 30 s to pay out ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

7. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   trawls have been used for over 20 years to make fishery-independent estimates of the stock sizes ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ... , that times on the bridge were only recorded to the nearest minute. 20 25 30 35 40 45 50 Station Figure ... C O ~ J ~ ~ H ~ H H ~ I M OpOneBCTBOM B 1993194 r. npeAJIo~eHb1 YpaBHeHHX PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes

8. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   year is important for such assessments, and this issue is studied using simulation. Between-haul ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... using aggregate year-level frequencies. The other three estimators use the haul-level frequencies ... on the new CV model; and (iii) that based on the PMLE. The year-level method gave very inaccurate estimates ... obtained from the integer values of year, y, so that for a 20-year simulation period y’ = y – 10 ... model A simulation model consisted of simulating 100 replications of a series of 20 fishing years ... from simu- lated sampling of the population age structure. For each of the 20 years in a replicate ... . For simulation Model 3, the selec- tivity parameter λ was varied linearly from 5.88 for the first year of the 20 ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

9. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   parameters. A young-age adjustment (less than 5 years old) to the VB model is also given in order to give ... obtained using IWLS-estimated parameters. A young-age adjustment (less than 5 years old) to the VB model ... than 20 years in age. This is due to the combined effect of natural and fi shing mor- tality ... for ages in the 8– 20 year range. This translated to larger predictions for the MLPLB-fi tted curve ... with those obtained using IWLS-estimated parameters. A young-age adjustment (less than 5 years old ... before 20 days at liberty. The median value of days-at-liberty was 163. Only mark–recapture length ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

10. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

    and 1987 year-classes and with a diminished rate of emigration of krill of these year-classes from the area ... with the abundant 1986 and 1987 year-classes and with a diminished rate of emigration of krill of these year-classes ... to 1990. (Sampling by Isaacs-Kidd trawl). Year Length Class (mm) ~30.0 30.1 to 38. 0 38.1 to 46.0 46.1 ... in krill biomass observed in the area in 1990 is linked with the abundant 1986 and 1987 year-classes ... and with a diminished rate of emigration of krill of these year-classes from the area in 1989/1990. Resume Depuis ... coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was determined by a technique ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev

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