Résultats de la recherche

1. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   one summer season was roughly estimated as two times from which follows a maximum total effective ... resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987/88). Production was estimated and resulted a P/B ... ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... three year life span of krill. Their age group 1 (20 to 43 mm) included the two age groups 1+ and 2 ... within a one year cycle are also given for each age group in Table 4. Since age class 1+ was almost ... -age data with a two to three year life cycle will, however, strongly affect the results by increasing ... than in 1989/90, although two age groups (1 + and 3+) were almost missing in this 166 season ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Auteur(s): Siegel, V.

2. e-sc-xxxvi-a07.pdf

   ... , 80–90% of fish that undertook movements of >200 km (and moved between fisheries) moved in an ... escapement after a two-year projection period. Management advice 3.6 The Working Group recommended that ... ensures 75% biomass escapement after a two- year projection period, yielded a catch limit of 3 081 tonnes ... fitting survey data as two separate datasets, a biomass index and proportions-at-age, is preferred over application/pdf attached to:WG-FSA-17

   Meeting Report : WG-FSA-17

3. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... the literature are used to show that for some years, at distances of between 20 and 60 km from ... Abstract:  Zones of 20 km width are defined around selected colonies of penguins distributed ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ...

   Meeting Document : WG-KRILL-92/19 : Auteur(s): D.J. Agnew (Secretariat)

4. e-cc-xiv.pdf

   ... Committee Working Groups had met during the year in Siena, Italy (Working Group on Ecosystem Monitoring and ... -IMALF) had not met during the year, a coordinating group had conducted its work by correspondence. 2.3 ... for the next two years. Chile was re-elected Vice-Chair for the same period. 3.32 The Commission ... ...................................................................... 29 CONSERVATION MEASURES.......................................................... 30 Fishing application/pdf attached to:CCAMLR-XIV

   Meeting Report : CCAMLR-XIV

5. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

   Abstract / Description:  Selectivity studies were carried out for two types of steelon codends used in ... commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... Chionodraco rastrospinosus exhibit a lower tendency to pass through meshes of the codend than Antarctic ... ~ FLOATS 90 PlS CP200 'S ~ ,... I)' 30 PlS ~ Q.'" ~ l-!£ADL1N£RIGG lH C Schematic drawing ... ..-_, __ ...,.--_,.--_...,.--__ 20 30 1.,0 50 [CM] I=\S+\ LENCHl Selection of bumphead notothenia on ... carried out for two types of steelon codends used in commercial fishery, with a nominal mesh size A = 80 ... those in the 80 mm codend (Table 3). During the study, due to a failure, one codend had to be replaced ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.

6. e-sc-xxii-a5.pdf

   ... eleginoides – these reference documents contain species parameters for review by WG-FSA each year and ... and updated each year. The Working Group agreed to work at the 2003 meeting according to this plan ... . 2.2 A number of subgroups was nominated last year to further the work of WG-FSA during the ... ) (WG-FSA-03/40) • Subgroup on By-catch (WG-FSA-03/67). 296 2.3 Two of these subgroups (WG-FSA application/pdf attached to:WG-FSA-03

   Meeting Report : WG-FSA-03

7. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   3S'W 30'W 2S'W 20'W 1S'W r-------------------------~------------~------t_SO'S ...... 00 '1 ... ) 30'W 2S'W 20'W Figure 1: FIBEX survey areas and CCAMLR statistical sub areas in the West Atlantic ... -- --, ",,' -j 20'[ 30'[ .to'[ 50'E Agu(hos, Norlon DuPresne, Kalyo Noru and Nel 10 Don HERCATOR ... ~--~--~--~--~--~----~--~--~--~~ 20 25 30 35 40 45 50 55 60 65 70 Length (mm) Figure 3: Relationship between krill target strength ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Auteur(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

8. The state of exploited fish stocks in the Southern Ocean - a review

   until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... Union since more than 20 years. The total yield from the Southern Ocean has been 2.85 million tonnes ... (mainly South Georgia) while the remaining one third originated primarily from the Kerguelen waters in the ... . Champsocephalus gunnari around South Georgia has recovered two times from low stock sizes following heavy fishing ...

   Meeting Document : SC-CAMLR-X/BG/13 : Auteur(s): Delegation of Germany

9. e-sc-xx-a5.pdf

   ... Convention Area during the 2000/01 split-year (1 July 2000 to 30 June 2001) are summarised in Table 2 ... unreported and estimated total catches since the 1996/97 split-year in various subareas and years are ... Mammal Abundance’. However, for the two last years it has been stated that the completion of these ... the year to assess the completeness of the fishery datasets. The majority of the fishery and application/pdf attached to:WG-FSA-01

   Meeting Report : WG-FSA-01

10. e-sc-xx.pdf

    ... 000 to 50 000 tonnes; Uruguay, one vessel; USA, two vessels. 2.6 Dr E. Goubanov (Ukraine ... tonnes in the previous year. Catches outside the Convention Area were 30 152 tonnes during the 2000/01 ... was attended by 30 participants, representing 14 Members. • A Workshop on Estimating Age in ... indices over the last 20 years. There were no indications of important differences in the indices among application/pdf attached to:SC-CAMLR-XX

    Meeting Report : SC-CAMLR-XX

Pages