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1. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

   the codend in order to reduce error when determining the size of the catch. RESULTS Species ... depending on sampling depth (from the bottom to the surface), while the overall catch distribution pattern ... times higher than at night. At some trawl stations there were significant variations in catch size ... 8). Mean catch per haul decreased as depth increased. The highest proportion of zero catches was ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Автор(ы): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

2. Attribtuion of acoustic echoes to squid in the south Atlantic

   and Loligo gahi), but a third species, sometimes caught as a by-catch with Illex argent inus , the ... species were recorded in this haul. The average mantle length of squid in this catch was 228.6 mm t ... during part of the pelagic haul in which the major catch of M. hyadesi was taken. 5. F? V] 0 9 i ... probably too shallow to catch the targets causing the only strong marks that appeared on the echocharts ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Автор(ы): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

3. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   data on catch rates from fi sheries and linking these to data on age composition, age-structured ... Kerguelen Methods Observers sampled otoliths of 826 fi sh from the catch taken in March 1999 off ... . In addition, a catch curve based on a negative exponential model was used: Nt = N0e–Zt (3) where ... trawler Kerguelen de Trémarec (Figure 2). Fish appeared to have recruited fully to the catch by age 5–6 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Автор(ы): Ashford, J., G. Duhamel, C. Jones and S. Bobko

4. Trawl bag selectivity in the Champsocephalus gunnari fishery

   . In order to prevent damage and undue wear and tear to the outer cover, trawling ceased when a catch ... from 10 to 70 minutes with the average being 44 minutes. Mean catch-per-haul was approximately 1.5 ... balls was placed inside the trawl to simulate a catch). Simulated trawling at a speed of 3 to 3.5 ... knots with a catch of 50 tonnes showed the mean values of the angle of the corner of the top mesh in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Автор(ы): Bidenko, V.G. and I.G. Istomin

5. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   combination of factors such as krill distribution, density and colour, by-catch, environmental conditions ... commercial fishing. Fishing operations also avoid salp by-catch (Kawaguchi et al., 1998) and green krill ... negligible. The effect of salp by-catch may also be small in December, since the main period of observed ... salp by-catch around this area was January to March (Kawaguchi et al., 1998). Therefore, the fishing ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Автор(ы): Kawaguchi, S. and K. Segawa

6. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   process. Fish for tagging were randomly selected after the catch was dumped into the pounds from the ... waterline of the vessel. Generally, hauls with a fairly small catch (2 tonnes or less) were used to ... distribution of tagged fi sh was similar to that of the commercial catch. Recaptures were monitored by a ... tagged fi sh in the population should equal the proportion of recaptured fi sh in the catch. Applying ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Автор(ы): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

7. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

   , dur- ing line setting has reduced the total number of dead seabirds in by-catch from over 5 000 in ... remaining by-catch problem of seabirds being caught, but usually not killed, during the line haul- ing ... . Keywords: longline fishing, seabird by-catch, haul mitigation, bird exclusion device, CCAMLR 157 ... fire hose to scare seabirds away from the hauling bay. CCAMLR noted that seabird by-catch around the ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Автор(ы): Reid, E., B. Sullivan and J. Clark

8. Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987

   and copied by the Australian observer). A detailed analysis of a sample from each catch was carried ... catch from the north-western part of the bank consisted entirely of ~. gunnari. Analysis of ... determined area of the aggregation f the swept area of one trawl x = average catch per trawl e: = error ... catches were recalculated into catch per hour of trawl. Due to the considerable differences in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Автор(ы): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

9. Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987

   ) five-point-scale. 3. RESULTS 3.1 Catch Composition A total of 40 species was present in the ... had been reported on previous cruises (see Nast et al., 1988). The catch of a number of egg capsules ... region. The 40 hauls yielded a total catch of 18.04 tonnes. The most abundant species in terms of ... catch was 372 kg taken northwest of Seal Rocks in December (Figure 6), which consists almost ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Автор(ы): Kock, K.-H.

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

    (op.cit.), except that only a constant catch harvesting strategy has been considered. Beddington and ... fishing. In certain circumstances then (high M and low O'R), it becomes possible to catch effectively all ... catch in number of laill over a season from a single cohort of size No at the start of the "year" will ... laill mass and its growth during the season, the annual catch in mass [C(y)] is therefore given by ...

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

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