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1. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   composition of catches from 1964/65 to 1968/69 and the age/length key for the first half of 1972 were used ... /69 and the age/length key for the first half of 1972 were used in the calculations. The results ... to 1968/69 and the age/length key for the first half of 1972 were used in the calculations. The results ... /65 a 1968/69 et de la cle ages/longueurs pour la premiere moitie de 1972. Les resultats ont offert ... cocTaBY 3a 1964/65 - 1968/69 rr. H pa3MepHO-Bo3pacTHbIe KJlI01.IH 3a nepBYIO nOJlOBHHY 1972 ... /69, ademas de datos de la clave edadltalla del primer semestre de 1972. Se han obtenido una amplia ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Author(s): Frolkina, G.A. and R.S. Dorovskikh

2. Some thoughts on precautionary measures for the krill fishery

   of the spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75 ... that with a lifespan of five to seven years, at least two generations of krill have passed through the system since ... are still unable reliably to predict where krill concentrations will occur. For many years now ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

3. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... for 20 years, firstly with trawlers and more recently with longliners. This is the oldest fishery ... period seems to occur later in the year, aggregate on the slope of a bank beyond the shelf (Shag Rocks ... in the Kerguelen Islands zone for 20 years, firstly with trawlers and more recently with longliners ... per year since 1993/94. In addition to this regulated legal fishing, this zone (Division 58.5.1) has ... ‘Kerpêche’ for trawlers (split- years – 1 July to 30 June – 1979/80 to 2000/01) and in Excel tables ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost

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

   of the parameters (foraging trip - 379 - duration, chick fledging weight and chick diet) identify a restricted ... although from a knowledge of swimming speed, activity budgets and foraging trip duration a reasonable ... but be less suitable for the early chick growth period. SURVEY DESIGN The primary aim of the survey ... involving integrated estimates of abundance over the year. The Prdyz Bay region is much more poorly ...

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

5. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

   toothfish (Dis- sostichus mawsoni) in the Ross Sea region. CCAMLR Science, 15: 35–53. Hillary, R.M., G.P ... of the Working Group on Fish Stock Assessment. Fishery Report: Dis- sostichus eleginoides and Dissostichus maw ... , such as for estimating growth or movement, transcription errors are a substantial problem. The use in recent years ... , recaptured in trawls and re-released four times over a total of three years at liberty (D. Welsford, unpub ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler

6. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   will curtail their fishing trips. This leads to a negative correlation between the amount of fishing ... , the more often the illegal fishers will curtail their fishing trips. This leads to a negative correlation ... for an area can be given by: est i i F P D= ∑ (2) where Di is an estimation of the maximum fi shing ... - verts the sum of maximum fi shing estimates to an expected number of illegal fi shing days. Di ... on the latest or earliest dates on which it was possible to fi sh the area, or Di could be set to some ... in the calculation of Di is that the previous and subsequent patrol vessels would have detected the illegal fi ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I

7. 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 ... the years considered, vessels using man- ual baiting had a lower by-catch rate than those using automatic ... 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 ... others were intrinsically linked to vessels throughout the entire trip (the vessel cannot change fi ...

   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

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

   already contributed to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 ... to joint international research efforts which are being planned and undertaken by the member countries ... , effort, and related biological data provided by countries engaged in commercial operations ... research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... to the overexploitation of Antarctic fish stocks. In the 50 years between 1930 and 1980 the populations of blue, fin ... international research efforts which are being planned and undertaken by the member countries of the CCAMLR ... of catch, effort, and related biological data provided by countries engaged in commercial operations ... of a dedicated research vessel capable of operating in Antarctic waters for a period of 180 days each year ...

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

9. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   to a large extent by peculiarities in the distribution patterns of krill. Investigations over many years ... years and seasons. In the same area at different times, krill can form large concentrations in small ... which mainly depend on light conditions. During daylight hours, krill usually stay in the middle ... . At certain times of the year, krill aggregations stay close to the surface during daylight hours ... in areas surveyed. The task of detecting surface concentrations of krill can be solved with the help ... FIBEX program. It was shown that the hydroacoustic device Simrad SK-120, with TVG switched off, is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Author(s): Yudanov, K.I.

10. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

    s of id en ti fi ed in di vi du al s 2003 2004 ... 2005 120 100 80 60 40 20 0 To ta l n um be r o f i de nt ifi ed in di vi du al ... . Lauriano, G., C.M. Fortuna, G. Moltedo and G. Notarbartolo Di Sciara. 2004. Interactions between common ... in the Crozet and Kerguelen EEZs respectively. The vessels operated all year round, with the exception ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... small number of individual killer whales were responsible for most of the interactions with the fishery ... . In the Kerguelen EEZ only sperm whales, alone or in co-occurrence with fur seals, were found to ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel

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