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Zooplankton: Trophic modelling of the Ross Sea
proportion of body carbon for growing krill for krill of 20, 30 and 40 mm length, giving values of Q/B ... an annual average P/B of 4.5 y-1. Population growth for Rhincalanus gigas, based on a modelling ... years, assuming that growth periods are only for 4–6 months of the year (Ikeda, 1985). Euphausia ... . crystallorophias up to between 0.02–474 gWW/1000m3 were found, with an average value for E. crystallorophias and E ...
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SC-CAMLR-SSP/5 – Part II, 1988
; ( c ) For the predicted period fishing intensity was FO.1• In the first two cases TAC=2S-30 thousand ... regression methods. The recruitment was taken at the lowest possible level for all these years (400 million ... an average value for the main age groups. Stock status and T AC prediction if F = constant ... survey cruise and discuss their changes over recent years. The analysis is based mostly on the ...
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CCAMLR-XXVII/19, Annex I
of relevant information (e.g. SC-CIRC-08/30); an expert workshop to review the information and agree ... 2008-2009 for New Zealand: implementing Conservation Measure 22-06 (Bottom Fishing in the Convention ... workshop was held over two days. The workshop reviewed the fishing method in detail, determined a ... fishery effort to date. That information was used to undertake an assessment of the likely impact of the ... . SC-CIRC-08/30); an expert workshop to review the information and agree key analytical frameworks ... (SC-CIRC-08/30). However, the two most frequent groups observed were Cnidaria and Invertebrates ... 1.2 m long and weighs approximately 20 kg; these chains act as ‘springs’ to keep tension on the line ... during descent and to stabilise the end of the line on the ocean floor. An additional 50 m of floating ...
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
- length composition, using a multinomial likelihood. 20. Tag-release events for the years 2005 to 2009 ... a year. The models were run over the years 1990 to 2010, with an initial unexploited equilibrium ... below 20% of B0 in the respective sample of any one year, for each year in the 35-year projection ... only Year S S B (t on ne s) 500 1000 1500 2000 2500 2000 2010 2020 2030 2040 TOT ...
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Fishery Report 2013: Dissostichus eleginoides Heard Island (Division 58.5.2)
, selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ... longline gear is able to catch older fish (>20 years) more efficiently than trawl gear. For trawl gear ... data available for inclusion on the assessment, including: (a) an analysis of the spatial and ... future SSB was below 20% of the pre-exploitation median spawning biomass in any one year, for each year ...
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
limit for C. gunnari of 1 548 tonnes (CM 42-01). Limited commercial fishing was conducted by two ... (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988/901989/901990/911991 ... 5 10 15 20 25 30 35 40 45 50 55 60 South Georgia January 2010 0 1000 2000 3000 4000 0 5 10 15 ... 20 25 30 35 40 45 50 55 60 Shag Rocks January 2010 Length (cm) Length (cm) Fr eq ue nc y ANI ...
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
). Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988 ... pelagic trawl fishery for C. gunnari in Subarea 48.3 has minimal impact on the benthic ecosystem. There ... limits for these species. Champsocephalus gunnari play an important role in the ecosystem of the South ... penguins (WG-FSA- 08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ...
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FAO Port State Measures Agreement
authorized for that purpose, having regard in particular to Article 17; (b) ensure that, prior to an ... Agreement opened for signature for one year. The Agreement will enter into force 30 days after the date of ... Fishing as an Article XIV instrument under the FAO Constitution. Immediately following its approval, the ... , hereinafter referred to as ‘FAO’, for a binding international 2 instrument on minimum standards for port ...
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Letter from the Convener
note that the deadline for comments on the draft agenda is 6 May 2019. ... information for participants on the meeting venue, travel and accommodation can be found on the WG-EMM-19 ... WG-EMM participant, The 2019 meeting of the Working Group on Ecosystem Monitoring and Management ... (WG-EMM) will be held in Corcarneau, France, from 24 June to 5 July 2019. As mentioned in SC CIRC 19 ... /13, taking into account that in 2018 the Scientific Committee identified the development of advice ...
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Cephalopods: Trophic modelling of the Ross Sea
released one or two at a time. The numbers of eggs produced are known only for a few species. It is ... 13–30% of wet weight and a value for ash proportion of 0.9–2.4% of wet weight equivalent to c. 7.7 ... squids in temperate waters. Grist & Jackson (2004) provide a physiologically based model for two-phase ... model is based on the well-known observation that P/B is approximately proportional to B-0.25 for a ...
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