Search results
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Modelling growth of Antarctic krill: a new approach to describing the growth trajectory
Abstract: Von Bertalanffy (VB) growth models for Antarctic krill have in the past been calibrated ... frequency samples. We develop an alternative approach to predicting the trajectory of length over time using ... from direct measurements of individual pre- and post-moult krill sampled from the wild with a model of ... from the Indian Ocean sector we model IGR as a function of pre-moult length and season using linear ...
Meeting Document : WG-EMM-05/27 : Author(s): S. Candy and S. Kawaguchi (Australia)
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A tagging protocol for toothfish (Dissostichus spp.) in the Ross Sea
Abstract: This paper presents a protocol for the tag and release of toothfish (Dissostichus sp ... .) by fishers operating in the Ross Sea longline fishery in 2003-04. The protocol describes tag types ... , tag treatments and data recording requirements for the programme. Examples of reporting forms for ... tagging protocol for toothfish (Dissostichus spp.) in the Ross Sea Approval: Approved ...
Meeting Document : WG-FSA-03/90 : Author(s): N.W.McL. Smith and K.J. Sullivan (New Zealand)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
from April to July 1999. The overall average catch rate of rays was 0.7/thousand hooks, compared with ... models demonstrated that there are significant differences between the catch rates of rays for different ... vessels, areas, and depths in Subarea 48.3. Some vessels, fishing on the northern shelf edges of both Shag ... / thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ...
Meeting Document : WG-FSA-99/40 : Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Research plan for the exploratory fishery for Dissostichus spp. in Division 58.4.3a in 2013/14
Abstract: France has notified its intention to participate in the exploratory fishery for ... Dissostichus spp. in Division 58.4.3a in 2013/14. The research plan details the objectives, rationale and ... (s): Submitted by the Secretariat on behalf of France Title: Research plan for the exploratory ...
Meeting Document : WG-SAM-13/08 : Author(s): Submitted by the Secretariat on behalf of France
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Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
Abstract: This paper presents the latest developments in Casal models for Crozet with an updating ... of input data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking ... into account the previous remarks of the WG-FSA meetings. Author(s): R. Sinegre and G. Duhamel Title ... : Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands ...
Meeting Document : WG-FSA-16/52 : Author(s): R. Sinegre and G. Duhamel
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IDENTIFYING TAXONOMIC GROUPS AS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION
ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable. New Zealand identified ... an interim list of taxa to monitor in fishery bycatch in the Ross Sea as part of its 2008 benthic ... fisheries impact assessment. The rationale for including or excluding each taxonomic group is described ... relative to the group’s fragility, longevity, organism size, and spatial distribution. Additional ...
Meeting Document : WS-VME-09/08 : Author(s): Bowden, D.A., Parker, S.J.
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Assessing the accuracy of penguin breeding abundance estimates at regional scales in Antarctica from existing count data: a review using Adélie penguins as a case study
Abstract: There is a large body of existing count data in the literature for penguins at their ... breeding sites in Antarctica and the sub-Antarctic islands. These data have been summarised into several ... attempt to determine how the accuracy of regional scale abundance estimates derived from these data might ... existing data is developed and the assumptions underlying that estimator outlined. Existing data for Adelie ...
Meeting Document : WG-EMM-04/55 : Author(s): C. Southwell (Australia)
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A plan for Antarctic krill survey with a scientific broadband echosounder onboard R/V Kaiyo-maru in the CCAMLR Division 58.4.1 during 2018/19 season
Abstract: To investigate the utility of broadband sound for Antarctic krill acoustic surveys, we ... -maru. The echo sampling will be performed during targeted RMT1+8 tows. Spectra of volume backscattering ... strengths will be obtained from the sampled echoes and their characteristics will be investigated. Further ... , orientation and length distributions will be inferred from the measured spectra with theoretical acoustic ...
Meeting Document : SG-ASAM-18/05 : Author(s): K. Amakasu, K. Abe, R. Matsukura, T. Mukai and H. Murase
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Barcoding and beyond: applications and developments for biodiversity evaluation in the Southern Ocean
Abstract: DNA barcoding is a valuable tool for biodiversity studies in the Southern Ocean. It can ... be combined with other types of systematics data (morphology, other sequence markers) to reassess the ... for fisheries, ecology or large scale biodiversity surveys. The rise of Next Generation Sequencing ... (NGS) techniques in the last 15 years has provided exciting new developments in classical barcoding ...
Meeting Document : WG-EMM-2019/54 : Author(s): A. Dettai, G. Duhamel, C. Gallut, M. Eléaume and A. Martin
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Galindez Island gentoo penguin (Pygoscelis papua) colonies at GAI CEMP site population behaviour/dynamics in the 2018/19 season
during 2018-19 season. The detailed observation of birds arrival, nesting, hatch and crèche has been ... provided in two colonies at GAI CEMP site at Galindez Island nearby the Vernadsky station. We inform on the ... results of visual survey of penguin population and penguin count. During the 2018/19 season biologist ... of gentoo GBV and GPP sites. The results of visual observations of penguin population changes are ...
Meeting Document : WG-EMM-2019/60 : Author(s): P. Khoetsky, A. Dzhulai, G. Milinevsky, I. Dykyy, E. Dykyi, I. Parnikoza and L. Pshenichnov