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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
process error in predicted catch-at-age numbers. Simulations assumed 1 000 releases per year over 12 years ... , using multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... perturbation by observational error were also carried out for each model in order to investigate the effect on ... estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... fishing years. In order to apply equations (3) and (4) recursively from the start of fishing at year y ... response random variable is defined as the number of recaptures of ,iy aR in ith year of fishing years ... 12 fishing years starting in calendar year 2010, with this number of fishing years chosen to reflect ... historical collections of otoliths in recent years had allowed such datasets to be constructed as described ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Autor(es): Candy, S.G.
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e-scic-17.pdf
... Standing Committee on Implementation and Compliance (SCIC) was held in Hobart, Australia, from 16 to 20 ... cooperating with CCAMLR by participating in the CDS for the last five years include Antigua and Barbuda ... products. 44. SCIC noted the work to be undertaken in 2018 (CCAMLR-XXXVI/BG/03 Rev. 1), including: (i ... forward to working with the Secretariat in 2018. 46. SCIC thanked the Secretariat for its work and
application/pdf attached to:SCIC-17Meeting Report : SCIC-17
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e-cc-vii-aH.pdf
... provisions pursuant to Article XXIV of the Convention to verify compliance with measures in effect under the ... and inspectors referred to in Article XXIV of the Convention. (a) Designated observers and ... ’ are used interchangeably in Article XXIV of the Convention. In this context, the Committee also ... Compliance With Conservation Measures in Force Under Article X 17. The delegation of the United Kingdom
application/pdf attached to:SCOI-88Meeting Report : SCOI-88
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
year, the length frequencies of releases and recaptures ranged from 20 to 220 cm in 10 cm length bins ... below 20% of B0 in the respective sample of any one year, for each year in the 35-year projection ... - length composition, using a multinomial likelihood. 20. Tag-release events for the years 2005 to 2009 ... assessment model. 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 SSI Selectivity Age S el ec ...
Document : Site Section: Publications
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WG-FSA-18
June 2018) WG-FSA-18/01 Analyses of ice conditions in the research area proposed by Ukraine for a multi ... -18/10 Fish by-catch in the krill fishery: 2018 update CCAMLR Secretariat WG-FSA-18/11 Rev. 1 ... in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2018 CCAMLR Secretariat ... . Slypkо and P. Zabroda WG-FSA-18/20 Rev. 1 Research proposal for Dissostichus spp. in Subarea 48.1 by ...
Meeting
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Scientific Abstracts 2004
groups. It is published only in English. There are four categories of papers: (i) scientific papers ... submitted for publication, i.e. in CCAMLR Science or elsewhere, which are listed as ‘submitted’ or ‘in press ... . All abstracts are listed in groups by respective CCAMLR bodies at meetings of which these papers were ... series of observations from the past 20 years. A low density was 9 perhaps not unexpected in line ... year, it is at its second lowest size in the past seven years. Chinstrap fledging success was higher ... years. The greatest proportion of debris (95%) was miscellaneous debris. The reduction in fishing ... previous years, most individuals observed entangled in debris were juveniles (79% of winter and 55% of ...
Document : Site Section: Publications
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e-cc-xv.pdf
... . He informed the meeting that Scientific Committee Working Groups had met during the year in Bergen ... in Trawl Fisheries...................................................... 20 NEW AND EXPLORATORY ... ever met together at one place and one time. 1.10 His Excellency said CCAMLR was a truly remarkable ... intersessional period: the Subgroup on Statistics met in Cambridge, UK, and the Subgroup on Monitoring Methods
application/pdf attached to:CCAMLR-XVMeeting Report : CCAMLR-XV
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e-sc-vi-a4.pdf
... of the season in one or several years (thus saving battery-capacity) may be useful in long term ... * An archival tag is any recorder which has to be physically retrieved from the animal in order to get ... (20-30 km) areas may be an alternative to direct location by satellite for smaller species. This ... location of oceanographic fronts, and shifts in relative productivity of waters within and between years
application/pdf attached to:WG-CEMP-87Meeting Report : WG-CEMP-87
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Development of the Southern Ocean Continuous Plankton Recorder survey
the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton in ... very high abundance of zooplankton in the uppermost 20 m of the permanently open ocean zone between the ... schedule, travelling south on 110°E in early December and north on 150°E in mid-March each year, and will ... Abstract: The Continuous Plankton Recorder (CPR) Type I was first used in Antarctic waters during ...
Meeting Document : WS-BSO-07/P4 : Autor(es): Hosie, G., M. Fukuchi and S. Kawaguchi
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e-sc-xxxvii-a6.pdf
... recaptured in 2018 in research block 5841_2 compared to a maximum of one recapture a year in previous years ... years of data analysis. It noted that in the third year, two stations would be moved to sample fishable ... Dissostichus mawsoni Population Hypothesis for Area 48 held from 19 to 21 February 2018 in Berlin, Germany ... determine connectivity between toothfish populations in Subareas 48.2 and 48.4, and WG-SAM-18/30
application/pdf attached to:WG-SAM-18Meeting Report : WG-SAM-18