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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
-growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... about two-thirds of the sampled fish could not be sexed. Precision estimates and age bias plots ... derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... –11.0 and 15.1–15.5 cm. Mean lengths of 4.9 and 7.3 cm (at ages 1.3 and 2.3 years respectively) are ... 15 25 20 15 10 5 0 S ta nd ar d le ng th (c m ) Age (years) 0 3 ... 5 6 7 8 9 10 11 12 13 14 Age (years) Fr eq ue nc y Age (years) Fr eq ue nc y 50 40 30 20 ... aged Antarctic silverfish sampled from the Ross Sea. 0 5 10 15 20 25 30 35 4.0-4.5 5.1-5.5 ... year of reader 1’s first readings, and none dif- fered by more than 3 years. The betweenreader APE ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): Sutton, C.P. and P.L. Horn
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e-cc-xiii.pdf
... Measure 30/X was passed two years ago, and recommended the Government of Poland to urge its fleet to ... Audit Office as the Commission’s external auditor for a further two years, and directed that in respect ... rigorous analysis over the last two years. It noted that all key parameters of the yield model are now ... granting an exemption from Conservation Measure 30/X for one Polish krill trawler until the end of 1995
application/pdf attached to:CCAMLR-XIIIMeeting Report : CCAMLR-XIII
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys, 1987-1990
within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... for some years, months and zones of distance from the shore the catch of krill is 50% or more of the ... land-based predator consumption. Author(s): D.J. Agnew (Secretariat) Title: Krill catches and ...
Meeting Document : WG-CEMP-91/25 : Autor(es): D.J. Agnew (Secretariat)
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e-cc-x.pdf
... paid the whole of its contributions for two consecutive years, then, until the whole of the first ... available. 5.9 The Commission noted that the adoption of Conservation Measure 29/X was only one of two ... and replacements is estimated at A$90 700 per year. As an alternative to funding these items on an ... agreed on the following interpretation of Article XIX (6): if by 1 June of any year, a Member has not
application/pdf attached to:CCAMLR-XMeeting Report : CCAMLR-X
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e-cc-vi.pdf
... Article XIX.3 Procedures for the Appointment of Executive Secretary to CCAMLR Selection Criteria for the ... 10/VI IMPLEMENTATION OF ARTICLE XX OF THE CONVENTION ESTABLISHMENT OF A SYSTEM OF ... OBSERVATION AND INSPECTION, ARTICLE XXIV OF THE CONVENTION (ii) COMPLIANCE WITH CONSERVATION ... 1987, in accordance with Article VII 2 (d) of the Convention, of the basis on which it sought to
application/pdf attached to:CCAMLR-VIMeeting Report : CCAMLR-VI
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
rate of ~20 mm per year, and a maximum age >20 years for B. eatonii, estimated from tag returns ... -sex, single-area, age-structured population model including age classes from 1 to 35 years. 20 ... 120 16 <1 16 25251 2015 360 288 4 292 120 19 5 24 32515 2016 409 79 1 80 360 220 0 220 120 20 ... 27 35 2014 150 0 <1 <1 80 0 5 5 50 12 17 30 2015 150 0 12 12 80 0 3 3 50 36 7 43 2016 1663 0 ...
Document : Site Section: Publications
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Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen
estimated to be –0.6 years and residual variance 2.9. Age distributions of toothfish caught by two vessels ... trawlers and longliners at Kerguelen, and longevity was estimated to be 36 years. Total instantaneous ... Paper Title: Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught ... otoliths from reference collections were used to measure precision; relative bias for the age data was ... ge ( ye ar s) 0 10 20 30 40 50 Reference age (years) 0 10 20 30 40 50 E st im at ed a ... Estimated age (years) 0 10 20 30 40 50 T ot al le ng th ( cm ) 0 20 40 60 80 100 120 140 (a ... ge ( ye ar s) 0 10 20 30 40 50 (a) (b) Ashford et al. 38 Figure 2: Age structure of ... 20 30 40 50 0 20 40 60 80 N um be r of fi sh 0 10 20 30 40 50 0 10 20 30 40 50 60 N ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Autor(es): Ashford, J., G. Duhamel, C. Jones and S. Bobko
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e-sc-xiii.pdf
... fully explain the lower-than-expected abundance of age classes older than two years; and (iv ... , variability in recruitment and variability in natural mortality with age and between years (Annex 4 ... one year, the TAC recommended may need to be revised in the light of new assessments by the Working ... REFINING OPERATIONAL DEFINITIONS OF ARTICLE II DATA REQUIREMENTS ECOSYSTEM MONITORING AND MANAGEMENT
application/pdf attached to:SC-CAMLR-XIIIMeeting Report : SC-CAMLR-XIII
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e-sc-vii.pdf
... Group, which had met at CCAMLR Headquarters, Hobart from 12 to 20 October 1988, was presented by the ... exploitation of one species and rebuilding another species within the time frame specified in Article II. In ... 445 673 376 456 370 663 * The Antarctic split-year begins on 1 July and ends on 30 June. The column ... for the 1988/89 and 1989/90 Field Seasons Conservation Strategy BUDGET FOR 1989 AND FORECAST
application/pdf attached to:SC-CAMLR-VIIMeeting Report : SC-CAMLR-VII
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Schedule of conservation measures in force 2014/15 – individual pdf files
period of one year in respect of a particular vessel, the Flag State of the vessel shall investigate ... following conservation measure in accordance with Article IX of the Convention: Vessel markings 1 ... clearly marked at all times with the letter(s) and/or numbers of the vessels to which they belong. 1 ... : (a) adequate communication equipment (including MF/HF radio and carriage of at least one 406MHz ...
Document : Site Section: Conservation and Management