Результаты поиска

1. Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys

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

   Meeting Document : SC-CAMLR-X/BG/07 : Автор(ы): Secretariat

2. e-sc-xi-a4.pdf

   ... below 20% of its average pristine level over a 20-year period under a constant annual catch is 10 ... falling below 20% of its average pristine level over a 20-year period of constant-catch harvesting had ... Punta Arenas, commenting that this was the first time the Group had met in the Southern Hemisphere ... , paragraph 3.48); • continued development of operational definitions of Article II in the context of application/pdf attached to:WG-KRILL-92

   Meeting Report : WG-KRILL-92

3. e-cc-xv.pdf

   ... ever met together at one place and one time. 1.10 His Excellency said CCAMLR was a truly remarkable ... Fish Stock Assessment (WG-FSA)). Two ad hoc subgroups associated with WG-EMM had also met during the ... for the previous two financial years, the Commission decided that a full audit should be performed on ... two subsequent years, and that the policy for distributing publications should, in 1997, continue as application/pdf attached to:CCAMLR-XV

   Meeting Report : CCAMLR-XV

4. e-sc-v.pdf

   ... landings of the main commercial fish species from area 48.3 in recent years have been as follow s (in ... annual catches of krill over the past two years. Several nations reported improved success in preparing ... scales as the catch and effort data. Such data should be submitted by September 30 each year. 4.13 To ... data from commercial finfish fisheries should be September 30 each year. Formats for the submissions application/pdf attached to:SC-CAMLR-V

   Meeting Report : SC-CAMLR-V

5. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ... -tagging survivorship of 95% or more. An assumption of 90% post-tagging survivorship is a conservative ... oo d 2a ve ra ge 3p oo r fish.length.cm s( fis h. le ng th .c m ) 60 70 80 90 100 -5 0 ... 5 days.after.1.June s( da ys .a fte r. 1. Ju ne ) 0 20 40 60 80 -2 -1 0 1 2 3 4 ... ( fis h. le ng th .c m ) 60 70 80 90 100 -5 0 5 days.after.1.June s( da ys .a fte r. 1. Ju ... ne ) 0 20 40 60 80 -2 -1 0 1 2 3 4 fishing.depth.m s( fis hi ng .d ep th .m ) 600 800 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Автор(ы): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

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

   median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... the following 20 years, is that from a single pre-exploitation biomass survey. No account is taken of ... -lived animal. If this is correct, one would not expect a value of M that is very high (or too few krill ... aged a years and above (Ba+) is given by: Ba+(y)= f Wa Ny,a exp[-{1.5 M/12+F(Y)/2}] (A.7) a=a+ The ... DYNAMICS MODEL . The numbers of lain of age a years at the start of "year" y (Ny,a) are governed by the ...

   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

7. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... years. Two other years, 1994/95 and 1995/96, also experienced low breeding success rates of 0.05 and ... significantly greater in 1998/99 than in two of the years with higher breeding success (p < 0.05), and the ... carrying out the dietary analysis. We are also grateful to E. Woehler, S. Nicol, Y. Cherel and one ... seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Автор(ы): Irvine, L.G., J.R. Clarke and K.R. Kerry

8. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   been generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... 6–11 years) and greater maximum ages (28–37 years compared with 14 years). Several pieces of ... Paper Title:  Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana ... underestimated Estimated age (years) 0 10 20 30 40 P el vi c le ng th (c m ) 0 20 40 60 80 100 ... aged up to about 20 years (Figure 2). However, beyond 20 years, reader 1 consistently aged skates ... skates having large discrepancies between the two readers. 10 20 30 R ea de r 2 , r ea di ng 4 ... (years) 0 10 20 30 40 R ea de r 1 , r ea di ng 2 (y ea rs ) ( m ea n ± 2S E ) 0 10 20 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Автор(ы): Francis, M.P. and M.J. Gallagher

9. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   reductions may prove necessary during the 20 year period considered. Simulation tests, including one ... ;Composite Index" proposed by the Workshop on the krill CPUE simulation study. Annual TAC&#039;S are ... as the average CPUE over that time. Thereafter TAC&#039;S may increase by Cr% per annum. However ... &#039;s CPUE values fall below a target level of 0.75 CPUEref. An operating model of kril1 dynamics in ...

   Meeting Document : SC-CAMLR-VIII/BG/17 : Автор(ы): Delegation of South Africa

10. e-imaf-00 report.pdf

    ... catch into summer and winter components. Three alternative splits (80:20, 70:30 and 60:40) were used ... project had demonstrated a 28% decline in the breeding population over the last 20 years and concluded ... Vessels which have fished for at least three cruises in two years and consistently failed to comply with ... of 65°S in order to conduct line-weighting trials. Line Weighting 7.58 As in previous years, no application/pdf attached to:Ad Hoc WG-IMAF-00

    Meeting Report : Ad Hoc WG-IMAF-00

Страницы