Résultats de la recherche

1. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at ... decline in trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to ... increasing trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the ... means by each year are presented in Figure 1. It should be noted that these estimates have been ... declined from values of over 20% in 1985 to values of less than 5% in 1988. Since then, G. gibberifrons ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... continuous sampling period of 24 years which began in 1983, and from 2001 to 2003 at Harmony Cove (HC). By ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff

2. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   Paper Title:  Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... Champsocephalus gunnari fishing in Subarea 48.3 is derived using a multiplicative model and data from many ... was 0.399. File:  20-Gasiukov.pdf ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ... CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA (SUB AREA 48.3) P.S. Gasiukov* Abstract Traditional ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ... accuracy. A standardized CPUE index for Champsocephalus gunnari fishing in Subarea 48.3 is derived using ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Auteur(s): Gasiukov, P.S.

3. An assessment of toothfish in Subarea 48.3 using CASAL

   Paper Title:  An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description:  This ... various tuning datasets. Bayesian methods are used in the estimation procedure, and uncertainty in the ... years refer to the fishing season that started in December prior to the year quoted. For example, year ... 1990 because the Russian fleet fishing in this year did not report haul-by-haul data to CCAMLR. Mark ... toothfish in Subarea 48.3 using CASAL recaptures by length by year of recapture and year of release ... collated by 10 cm length class (Table 2). The scanned catch in each length class each year, required to ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

4. Champsocephalus gunnari stock status in the South Georgia area

   intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... Paper Title:  Champsocephalus gunnari stock status in the South Georgia area Abstract ... intensity (F) in a predicted period was equal to the average value of fishing mortality: (b) For the ... predicted period fishing intensity was at the level of that in 1987/88; (c) For the predicted period fishing ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... WG-FSA-88/32 CHAMPSOCEPHALUS GUNNARI STOCK STATUS IN ... lowest level. T AC was calculated for three possible situations: ( a) Fishing intensity (F) in a ... fishing intensity was at the level of that in 1987/88; ( c ) For the predicted period fishing intensity ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Auteur(s): Borodin, R. and P. Kochkin

5. Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   Paper Title:  Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the ... -at-spawning for female and male Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the ... stage for at least one year. Individual oocytes are then recruited into the vitellogenic phase over at ... least a 6–12 month period, resulting in a developed group of oocytes accumulating at the final ... Age (years) 0 10 20 30 ... f fi sh Age (years) 5 10 15 20 25 30 ... - tiple size modes of developing oocytes present in the ovary throughout the year, making macroscopic ... one-year gam- ete development cycle and testis size increases dra- matically late in the summer to ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Auteur(s): Parker, S.J. and P.J. Grimes

6. Scientific observations in CCAMLR fisheries – past, present and future

   Paper Title:  Scientific observations in CCAMLR fisheries – past, present and future Abstract ... -independent studies are difficult and expensive to conduct. In addition, the size of the Convention Area, its ... remoteness and prevailing inclement weather further complicate matters. Therefore, in addition to the ... observers on board fishing vessels has assumed prominence in the collection of essential data for fisheries ... Measure 41-01 (2004), paragraph 7) (see CCAMLR, 2004b). 0 10 20 30 40 50 60 1996 1997 1998 1999 ... in a consistent manner, thus ensuring data integrity and continuity from year to year. Any data ... principles outlined in Article II of the CAMLR Convention (CCAMLR, 2004a, Part 1) embody an ‘ecosystem’ and ... ve years. For four successive years since 2000, levels of incidental seabird mortality in regulated ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard

7. Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90

   Paper Title:  Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes/hour ... topographically-induced effects. Except in November 1989, temporally and spatially sustained fishable krill ... 11-15 November 16-20 November 21-25 November 26-30 November Number of Vessels 2 2 2 ... islands together with topographically-induced effects. Except in November 1989, temporally and spatially ... Soviet commercial fleet in Subarea 48.2 during the 1989/90 season, together with information on CPUE ... THE SOVIET KRILL FISHING FLEET IN THE SOUTH ORKNEYS AREA (SUBAREA 48.2) DURING 198911990 V.A ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A

8. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

   breeding population at Bird Island decreased by 20% and increased by 84% in successive years during the ... varied annually, and with age of the breeding bird, nest location and, in one year, with laying date ... breeding are discussed. Within years egg-laying was highly synchronous: 95% of clutches were initiated in ... -3.4 days. Chicks creched when 25-30 days old. and this varied between years. possibly related to food ...

   Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)

9. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

   Paper Title:  The influence of bait quality on the sink rate of bait used in the Japanese longline ... sink rate of five species of bait used in the Japanese longline tuna fishery in Tasmanian waters. The ... . The addition of a 20 g lead sinker to a conventional 20 g tuna hook reduced the sink time of bait ... the effect of added weight (sinkers) on the sink rates of bait. Lead sinkers weighing 10 g, 20 g, 30 ... a 20 g hook, as used by the Japanese to catch tuna, was measured. Since the position in which a ... I small Fish size category Sink Rates of Bait Used in Japanese Longline Tuna Fishery 20 I I ... sinker to a conventional 20 g tuna hook). ACKNOWLEDGEMENTS The baits used in this experiment were ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Auteur(s): Brothers, N., A. Foster and G. Robertson

10. Quantifying movement behaviour of vessels in the Antarctic krill fishery

    analyses demonstrate the need for high-quality year-round data on all vessels participating in the krill ... Paper Title:  Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... distances moved between hauls in Subarea 48.1 compared to Subareas 48.2 and 48.3, reflecting the large ... high-quality year-round data on all vessels participating in the krill fishery to assist in ... . The range of area considered in this paper was between 50°S–70°S and 70°W–30°W. Catch rates (Cn/tn ... observed for other nations across all three periods. Year-to-year variation in fleet dynamics The ... probabilities of operating within the same local fishing grounds (in this case within 30 n miles radius ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Auteur(s): Kawaguchi, S. and S.G. Candy

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