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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
C C M L R Science, Vol. 2 (1995): 99-110 A FINE -SCALE ... . Foraging distances were chosen so that maxima (mean + 2 SDs) were generally in line with maxima recorded ... foraging-fishery overlap (FFO) for all CCAMLR fine-scale squares (approximately 30 X 30 n mile squares ... year was calculated by summing the index for individual fine-scale squares. RESULTS Figures 2 to ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Автор(ы): Agnew, D.J. and G. Phegan
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
latter year, a second method was developed (Model 2 in this paper) that resulted in catches being 4.3 ... which is managed by France. 83 2. MODEL PARAMETERISATION The model was constructed so that it ... Type IT catch is given in Figure 2 and can be compared with the catch history of the D. eleginoides ... period in 1990 and 1991 was 5-days) C = 0.005, 0.01, 0.02 (0.5%, 1 %, 2% of T AC per day; similar to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Автор(ы): Agnew, D.J.
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
- - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 Total length (cm) Figure 2: Quarterly LFDs for C. gunnari ... J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length ... CCAMLR Science, Vol. 2 (1995): 21-34 NEW DATA ON ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Автор(ы): Duhamel, G
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
et al., 2001). It comprises at least four distinct and separate modal groups, i.e. 13–14, 26–30 ... (Figure 2), when compared with the trawl survey length frequency (Figure 1), supports the hypothesis ... sections from 1+, 2+ and 3+ fi sh are shown in Figure 3, with the positions of the translucent zones ... had been injected with oxytetracycline are given in Table 2. Five had been tagged and recaptured in ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Автор(ы): Horn, P.L., C.P. Sutton and A.L. DeVries
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Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review
fish (27-40 cm). One, however, was composed almost entirely of 1 and 2 year olds (about 12-30 cm). In ... 2 B K n I o v a e T K O M ~ ~ I H ~ L ( I . ~ K ) CymeCTBylQmHX M e p ( ~ a n p H ~ e p , 0 ... , paragraphs 9.1 and 9.2). This runs from 1 December to 30 November, and has specific implications for the ... of C. gunnari from 2-3 years old to 3-4 years old, particularly at high fishing mortalities ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Автор(ы): Parkes, G.B
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica
1 000–2 000 m (Petrov and Istomin, 2008). Results of tagging studies indicate that D. maw- soni is ... study of the genetics of Antarctic toothfish. Mugue et al. 2 However, one fish was recorded 2 300 ... informative loci to reveal genetic differentiation. Loci and primers are given in Table 2. Amplifications ... DIS810-841 32 2 I.I. Gordeev Mawson Sea, SSRU 5841Е 10.02.2011 DIS896-924 29 3 I.I. Gordeev ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Автор(ы): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ... 2. Under good feeding conditions icefish will eventually reach satiation, whereas when krill are ... GSI Male C, Female GSI Female C, Last Spawning 1-7 1 1 .OO 3.5-4 1 .00 8 2 1.01 5 1.01 9 3 1.02 6 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Автор(ы): Everson, I. and K.-H. Kock
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Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys
30 years, even lower than in 1977/78 and 1991, years of krill 'shortage' (Figures 2 and 3) (Kock et ... Sampled Processed 7 7 54 37 6 5 43 32 7 6 30 27 7 7 3 6 31 Minimum and maximum sample sizes ... - Table 2). In the subsequent surveys, this set of sampling sites was maintained and enlarged on the ... frozen at -30°C and later examined at the Instituto Antiirtico Argentino. For the aim of this study ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Автор(ы): Barrera-Oro, E., R. Casaux and E. Marschoff
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Survey design to estimate krill abundance during FIBEX
population. 2. To map the distribution of krill in parts of the southwest Atlantic, southern Indian and ... participate in the experiment. The coordinated multiship part of the study was scheduled to take 30 days. Two ... sophisticated survey design, described here, to be used. 2. SAMPLING PROGRAMME Underway sampling centred on ... interval would be one nautical mile). 2. Data should be reported as mean volume back-scattering strength ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Автор(ы): Everson, I., I. Hampton and G.M. Jolly
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
simulation studies of fishing trawls. 2. METHODOLOGY It is well known that for trawl census surveys ... hauling period T; P - trawl catchability. (1) (2) Assuming that information on values So S, B, Bo ... contains no errors, the relative error in the biomass estimate from formulas 1 and 2 will be calculated as ... formulas 1 and 2 will be minimal if the catchability coefficient is equal to 1.0. Moreover, the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Автор(ы): Kasatkina, S.M.
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