Résultats de la recherche
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Volume 13: CCAMLR. 2001. Statistical Bulletin, Vol. 13 (1991–2000). CCAMLR, Hobart, Australia.
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
6. By-catch of birds and mammals ....................................................... 20 6.1 ... By-catch removals ................................................................. 20 6.2 ... Mitigation measures ............................................................... 20 7. Ecosystem ... implications/effects ........................................................ 20 8. Harvest controls and ...
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Phytoplankton: Trophic modelling of the Ross Sea
vary considerably between 20 to >200 gCg-1Chl-a (Taylor et al. 1997; Lefevre et al. 2003). Data from ... -invariate value of 80–100 gCg-1Chl-a is reasonable, though Smith et al. (1996) found values between 126 and ... an empirical function that they state explains ~80% of the variance of C:Chl-a ratios in the ... Southern Ocean: C=80Chl-a]0.6. This relationship would suggest C:Chl-a values up to 116 gCg-1Chl-a in ...
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Scientific Abstracts 1992
function of the fraction of the biomass estimate which is set as the catch for a 20-year period. Three ... . Hewitt (Scripps Institution of Oceanography, La Jolla, Ca. 92039, USA), 20 pp., (English, unpublished ... errors and variability on the accuracy of acoustic biomass estimation. and 90% within 80 km in all years ... within 80 km of colonies in the South Orkneys. Estimates of consumption rates, foraging ranges and ...
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Sea Ice Biota: Trophic modelling of the Ross Sea
0 20 40 60 80 100 B ac te ria c el l c ar bo n (fg C c el l-1 ) a J A S O ... development of a microalgal bloom of cells >20 um (Giesenhagen et al. 1999). Primary and bacterial production ... a factor of 20 and 12 respectively. Melting ice adds a number of substances to the water column: (1 ... & Thomas 2004). For example, in the eastern ice pack in spring, 80% of epontic algal biomass was on the ...
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Fishery Report 2018: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
all seasons at approximately 60–80 cm. These length- frequency distributions are unweighted (i.e. they ... 2 4 4 3 4 3 35 2011 726 4 12 5 6 4 5 1 0 37 2012 691 1 24 20 8 6 2 0 61 2013 852 8 ... 18 23 16 9 6 80 2014 842 4 26 21 10 4 65 2015 921 6 34 22 11 73 2016 1167 ... Assessment (WG-FSA) (WG-FSA-13/05). 20. WG-FSA-17/59 presented an updated stock assessment of D ...
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Catch and Effort Data Submission Instructions
catches exceed 10–80% of their respective limits (see monthly catch and effort reporting) and during ... and 58.4.2 when the total catch is less than 50–80% of the trigger level or 10% of the trigger level ... ), D (for day 16 to day 20), E (for day 21 to day 25) and E (for day 26 to the last day of the month ... ). • For the 10-day reporting period use period code A (for day 1 to day 10), B (for day 11 to day 20), C ...
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
catch (tonnes) 1976/77 - - 93 595 1977/78 - - 7 472 1978/79 - - 809 1979/80 - - 8 795 1980/81 ... 008 1986/87 - - 80 586 1987/88 1 35 000 36 054 1988/89 - 0 3 1989/90 - 8 000 8 135 1990/91 - 26 ... Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 986/87987/88988/90989/90990 ... -SAM-04/20). 2 ANI 48.3 Trawl surveys 6. In April 2008 the UK undertook a random stratified ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
0 0 882CDFG 214 30 34 8 50 0 80 0 882E 361 284 58 42 50 0 20 0 * Note: Includes skates landed ... (- ln L) 40 60 80 100 120 0 10 20 30 40 50 a a a a a a a b b b b b b bc c c c c c c1 1 1 1 1 1 ... ) 2000 2010 2020 2030 2040 0 20 40 60 80 50% median(B0) 20% median(B0) B io m as s (th ou sa ... estimates ...................................................... 20 Sensitivity analyses ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
168 34 25 50 0 80 0 882E 353 316 56 33 50 0 20 0 * Note: Includes skates landed, and excludes ... dominant of the tag data series. Li ke lih oo d (- ln L) 40 60 80 100 120 0 10 20 30 40 50 a ... 2040 0 20 40 60 80 50% median(B0) 20% median(B0) Figure 5: Estimated spawning stock biomass ... 10 567 <1 484 484 0 484 * Includes 20 tonnes for research fishing (CCAMLR-XXV, paragraph 12.60 ...
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