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1. 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=80Chl-a]0.6. This relationship would suggest C:Chl-a values up to 116 gCg-1Chl-a in ...

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2. 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 Hewitt (Scripps Institution of Oceanography, La Jolla, Ca. 92039, USA), 20 pp., (English, unpublished ...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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3. 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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4. 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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5. 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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6. 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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7. 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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8. 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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9. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   - - 93 595 1977/78 - - 7 472 1978/79 - - 809 1979/80 - - 8 795 1980/81 - - 27 903 1981/82 - - 54 040 ... 1982/83 - - 178 824 1983/84 - - 35 743 1984/85 - - 628 1985/86 - - 21 008 1986/87 - - 80 586 1987 ... survey significantly underestimates C. gunnari biomass (see WG-FSA-SAM-04/20). Weighted Frequency ... (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988/901989/901990/911991 ...

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10. Fishes: Trophic modelling of the Ross Sea

    –800 100B R Neopagetopsis ionah P SD 20–900 100B C Pagetopsis macropterus EB SD 5–700 50K,50B O ... cods) 70K,30B?? 29.0 Muraenolepis marmoratus B/BP SD 20–1600 ? O Y Muraenolepis microps B/BP SD ... –400 40K,30M,30Z O Trematomus pennellii B SD 0–730 80M,10K,10Z C Y? Trematomus scotti B SD 20–800 ... –1200 100M O Bathyraja sp. B SD/MD 30–1200 100M O Amblyraja georgiana B SD/MD 20–1200 100M C ...

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