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

   Prince, 1996). Both unregulated and sanctioned longline fishing for Patagonian toothfish within the 20 ... had a 59 cm monofilament nylon snood attached to it, and together had an estimated total volume of ... Entanglements Incidental Finds Four seabird entanglements were observed during the two years of this study ... opposed to 1 300 (Gales, 1998)) and that the amount of hooks set in the respective years was very ...

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

2. 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 tracking data are from two colonies, together rep- resenting <1% of the population of this ... albatrosses and petrels has also been identified as varying between years, though analysis suggests that ... September–30 April). Assessment of bird distribution during these peri- ods was made across the whole of ...

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

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

   petrels and grey petrels is explained by the time of year, geographical area and type of longliner (manual ... the year, although it does vary considerably between months and be- tween years. Overall, fi shing ... sec- tor both within and between years. Irrespective of year, the lowest number of seabirds caught ... two years whereas the spread in effort decreased in the Crozet area. The effort of the fi shing ... be r to A pr il) W in te r (M ay to A ug us t) 20 01 / 02 20 02 / 03 20 ...

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

4. 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 ... la Mare 10 9 8 7 6 h Y .M 5 a 4 3 2 1 0 0 10 20 30 40 50 60 70 Length ... krill. 0 10 20 30 40 50 60 Length class (mm) Figure 2: Fit of a mixture distribution to the density ... Estimating Krill Recruitment and its Variability 20 30 40 50 60 Length (mm) 100 90 Nella Dan: ADBEX I ... o 80 8 70 * 60 .$ : 5 30 D 20 10 0 Figure 7: The fit of mixture distributions to ...

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

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

   comprise collections of rocks held in bun- dles by netting bags stitched together from trawler net. This ... hook line are tied together to form a continuous line, and weights are tied to the join in the centre ... - eter polypropylene hauling line, 8 mm diameter polypropylene branch/connecting lines (20 m long) and ... fishing line), which took 30 s to pay out, to provide inde- pendence between the replicates. At the end ...

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

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

   , biomass, finfish, CCAMLR INTRODUCTION Surveys using bottom trawls have been used for over 20 years to ... (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ... to the nearest minute. 20 25 30 35 40 45 50 Station Figure 11: Trawl start times per station ... viable data from an individual tow (standard tow duration was 30 minutes), this tow was discarded ...

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

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

   model in predicting class/bin by year frequencies is used to obtain a single, across-years, over ... random variation across years in one of the selectivity function parameters and similarly for the ... 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 ... model A simulation model consisted of simulating 100 replications of a series of 20 fishing years of ... sampling of the population age structure. For each of the 20 years in a replicate, catch-at- age ... about a mean of 100 000 with CV (cR) of 0.6 with an initialisation period of 50 years (i.e. the 20 ... centred year value obtained from the integer values of year, y, so that for a 20-year simulation period ...

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

8. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

   explored in terms of the structure of animal populations. A group of animals that are continuously ... , although they have been important in some years since then. In this analysis, Elephant Island appears ... . Parkes. 1998. Analysis of haul data from the South Georgia krill fi shery. CCAMLR Science, 5: 9–30 ... ) between the 1988 and 2000 split-years in each fi ne-scale area (0.5° latitude x 1° longitude) in the ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Autor(es): Constable, A.J. and S. Nicol

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

   -estimated parameters. A young-age adjustment (less than 5 years old) to the VB model is also given in order ... – 20 year range. This translated to larger predictions for the MLPLB-fi tted curve for ages below 5 ... than 5 years old) to the VB model is also given in order to give more realistic predictions of mean ... after 175 days and 270 before 20 days at liberty. The median value of days-at-liberty was 163. Only ... (Pop) = μ(A, θ) + ε where L is length (mm), A is age (years), θ = (L∞, κ, t0) are the VB parameters ...

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

10. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

    . In the 50 years between 1930 and 1980 the populations of blue, fin, sei, and humpback whales are ... , 1986. File:  20-USA.pdf ... research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... fleets has already contributed to the overexploitation of Antarctic fish stocks. In the 50 years ... of 180 days each year. Note The full text of this paper was published under the above title by ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Autor(es): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

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