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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
observed in the length density represent different age cohorts separated by one year. File: 01ashford.pdf ... estimated to be from fish 1+ or 2+ years old, with mean total lengths of 32.5 cm and 41.3 cm respectively ... . No difference was found between predicted and estimated ages. We conclude that the two dominant modes ... Paper Title: Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... 50 60 70 80 90 Fr eq ue nc y 40 30 20 10 0 ... 80 60 40 20 0 Estimated age (years) 0 2 4 6 ... 80 0 10 20 30 40 50 60 70 80 0 10 ... 20 30 40 50 60 70 80 0 10 20 30 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Автор(ы): Ashford, J., C. Jones, S. Bobko and I. Everson
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Timescale of ovarian maturation in Notothenia coriiceps (Richardson); evidence for a prolonged adolescent phase
for about one year. The results from a two year study at Signy Island indicate that this adolescent ... fish spawn each season. Two reproductive strategies are considered, one where adverse conditions are ... yolk deposition begins to take place. This 039;adolescent039; phase was thought originally to last ... phase lasts for about four years. There is also some evidence to indicate that not all sexually mature ...
Meeting Document : WG-FSA-93/26 : Автор(ы): Inigo Everson (United Kingdom)
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Selected Scientific Papers, SC-CAMLR-SSP/3 (1986)
. The age at recruitment is 3-4 years, hence up to two consecutive years of heavy fishing can occur ... Table lB. The survival rate of the recruited population in each year is given by where s ... the later years, it is reasonable to assume a common age-specific catchability function for both ... and still be followed by one year class from a lightly fished stock. If the recent period of heavy ...
Document : Site Section: Publications
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SC-CAMLR-SSP/4
. The age at recruitment is 3-4 years, hence up to two consecutive years of heavy fishing can occur ... Table lB. The survival rate of the recruited population in each year is given by where s ... the later years, it is reasonable to assume a common age-specific catchability function for both ... and still be followed by one year class from a lightly fished stock. If the recent period of heavy ...
Document : Site Section: Publications
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SC-CAMLR-SSP/3
. The age at recruitment is 3-4 years, hence up to two consecutive years of heavy fishing can occur ... Table lB. The survival rate of the recruited population in each year is given by where s ... the later years, it is reasonable to assume a common age-specific catchability function for both ... and still be followed by one year class from a lightly fished stock. If the recent period of heavy ...
Document : Site Section: The Organisation
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Benthos: Trophic modelling of the Ross Sea
0.2–4 gDW ind-1 for shell heights between 20 and 80 mm (Heilmayer & Brey 2003). A population median ... times it is decoupled. Two types of method have been used commonly to study the benthic ecosystem of ... generic bacteria and detrital model groups. We use a definition here of megabenthos >20 mm in size ... , macrobenthos 0.5–20 mm, and meiobenthos <0.5 mm. It is unclear whether a more detailed subdivision of the ...
Document : Site Section: Publications
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e-sc-xxiv-a5-appO.pdf
... extrapolated seabird mortality was 13 birds compared with 27, 8, 27 and 30 birds in the last four years (Table ... mortality of seabirds in Subareas 88.1 and 88.2 has been very low over the past eight years, with only one ... ). Dr Micol pointed out that no albatrosses were caught during the past two years, probably due to use ... °S in daylight met the requirement to achieve a consistent minimum line sink rate as described in
application/pdf attached to:Ad Hoc WG-IMAF-05
Meeting Report : Ad Hoc WG-IMAF-05
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New page in the Antarctic krill fishing (Translation from The Fishing Industry of Ukraine, 1–2/2007: 11–14)
Abstract: Antarctic krill (Euphausia superba) is one of the largest marine resources of animal ... -krill super trawlers. Author(s): Delegation of Ukraine Title: New page in the Antarctic krill fishing ...
Meeting Document : SC-CAMLR-XXVI/BG/26 : Автор(ы): Delegation of Ukraine
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e-sc-ii.pdf
... only to do this for the last two years, in time for the next meeting. For the preceding years a ... (D) other Matters CO-OPERATION WITH OTHER ORGANISATIONS ACCORDING TO ARTICLE XXIII OF THE ... 1 REPORT OF THE SECOND MEETING OF THE SCIENTIFIC COMMITTEE 1. The Scientific Committee met under ... the Chairmanship of Dr D. Sahrhage (Federal Republic of Germany) from 30 August to 8 September 1983
application/pdf attached to:SC-CAMLR-II
Meeting Report : SC-CAMLR-II
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Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill
%, 20%, or 30% were added to the observed recruitment values. The CCAMLR "depletion" decision ... maintaining spawning biomasses above 20% of unfished biomass in more than 90% of the trials. As the values for ... Peninsula were used as proxies for recruitment variability. Simulations were run for 21 years with either no ... below 20% of its unfished value, meeting the CCAMLR "depletion" decision rule for recruitment ...
Meeting Document : WG-EMM-12/26 : Автор(ы): D. Kinzey, G. Watters and C. Reiss (USA)
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