Search results
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... , duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life to 0.028 ...
Meeting Document : WG-KRILL-93/45 : Author(s): E.A. Pakhomov (Ukraine)
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Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
(Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... of the animal. Collectively, these results provide tools for improving the detection of krill and more accurate ... ) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering measurements made ...
Meeting Document : WG-EMM-04/40 : Author(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)
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Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)
Abstract: Age determination was carried out on Notothenia gibberifrons specimens collected at two ... from the difficulty to differentiate false from annual checks in scales. Age determination by otolith ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low ... Peninsula Subarea smaller than those around South Georgia at the same age group. Likewise, our values ...
Meeting Document : WG-FSA-88/15 : Author(s): E. Barrera-Oro (Argentina)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ... We provide an update of the Bayesian sex and age structured population stock assessment model ... ;B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ...
Meeting Document : WG-FSA-11/42 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Rules of Procedure of the Commission
serve a term of office of four years and shall be eligible for re-appointment. 5 Article XVII ... of the debate on the item under discussion. Part Vl Observers Rule 30 Subject to Article XII ... (paragraph 5.3). 2 Article VII(3) of the Convention on the Conservation of Antarctic Marine Living ... to the decision being taken between meetings, but a Member requests additional time to consider it, a further 30 ...
Document : Site Section: Publications
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WG-EMM-2020
(s): Monday, 6 July 2020 to Friday, 17 July 2020 Chair / Convener: Dr César Cárdenas (Chile) Support: Dr ... Keith Reid This meeting is postponed As advised in COMM CIRC 20/32–SC CIRC 20/33, a decision has been ... taken to postpone the 2020 meetings of WG-ASAM, WG-SAM and WG-EMM. ... WG-EMM-2020 ...
Meeting
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WG-ASAM-2020
CIRC 20/33, a decision has been taken to postpone the 2020 meetings of WG-ASAM, WG-SAM and WG-EMM. ... (s): Monday, 1 June 2020 to Friday, 5 June 2020 Chair / Convener: Dr Sophie Fielding (United Kingdom) Dr ... Xinliang Wang (China) Support: Dr Keith Reid This meeting is postponed As advised in COMM CIRC 20/32–SC ... WG-ASAM-2020 ...
Meeting
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Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2
-weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... modelling parameters, and methods for calculating age- and length-frequencies. Most of these changes did ... relationships, catch-at-length and catch-at age. In addition, we report some preliminary model runs ... , as are some modelling parameters, and methods for calculating age- and length-frequencies. Most ...
Meeting Document : WG-SAM-07/6 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Fishery Reports archive
Convention Area and are published annually. The data is reviewed by CCAMLR's expert working groups using ... Convention Area and are published annually. The data is reviewed by CCAMLR's expert working groups using ... 2018 Fishery Reports 2017 Fishery Reports 2016 Fishery Reports 2015 Fishery Reports 2014 Fishery ...
Page : Site Section: Publications
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... , but variability among years was greater in the guard stage. Estimates of variability were used to explore ... or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips per ... of days to weeks, because of the high level of natural between-year variation, it would take many years ... - age ice cover. The primary set of statistics for yearly com- parisons is the set of yearly means ... in the single case of 30 years of moni- toring during the crèche period with a Type I error rate of 0.20 ... a number of impact (step, ramp and trend increases of 25%) and monitoring (1–10, 15, 20, 25 and 30 years ... ), and thereafter remains constant (ramp change), and (iii) the effect size is reached after 30 years (0.75 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson