Search results
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small but significant ... an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years) and increased ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small but significant ... an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years) and increased ...
Meeting Document : WG-CEMP-93/11 : Author(s): I.L. Boyd and J.P. Roberts (United Kingdom)
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Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance
Abstract: Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s): I.L. Boyd, J.P.Y ... Published in Journal of Animal Ecology (1994) 63, 000-000 ...
Meeting Document : WG-CEMP-94/12 : Author(s): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
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Within season feedback management system – a pro forma for discussion at WG-EMM 2015
, J. Hinke and D. Kinzey (USA) Title: Within season feedback management system – a pro forma for discussion ... Within season feedback management system – a pro forma for discussion at WG-EMM 2015 ...
Meeting Document : WG-EMM-15/04 : Author(s): C.S. Reiss, G.M. Watters, J. Hinke and D. Kinzey (USA)
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially revised ... the reviewing process of this research plan. A list of dates by which specific milestones will be completed ... on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21) Approval: Approved ... /33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially revised ...
Meeting Document : WG-FSA-2019/64 : Author(s): Delegations of Japan and France
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Abstract: Finfishing started in the Southern Ocean more than 30 years ago at South Georgia ... probably only a few animals per year. Author(s): Delegation of Germany Title: The direct impact ... Finfishing started in the Southern Ocean more than 30 years ago at South Georgia and Iles Kerguelen ... birds these effects have been minor, very local and killed probably only a few animals per year. ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Author(s): Delegation of Germany
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation
numbers at age obtained by integrating a first order ordinary differential equation (ODE) for within-year ... mortality equation (CCODE model) uses an ODE with constant within-year catch per unit time for each age ... at age obtained by integrating a first order ordinary differential equation (ODE) for within-year ... mortality equation (CCODE model) uses an ODE with constant within-year catch per unit time for each age ...
Meeting Document : WG-SAM-10/11 Rev. 1 : Author(s): S.G. Candy (Australia)
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CCAMLR conservation measures: review of the numbering system
. The presentation of measures in the annually published Schedule of Conservation Measures in Force may also ... are presented. Author(s): Secretariat Title: CCAMLR conservation measures: review of the numbering system ... . The presentation of measures in the annually published Schedule of Conservation Measures in Force may also ... CCAMLR conservation measures: review of the numbering system ...
Meeting Document : CCAMLR-XXI/15 : Author(s): Secretariat
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A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2018 random stratified trawl survey
t in the 2018/19 season and 320 t in the 2019/20 season respectively satisfied the CCAMLR decision rules. Author ... t in the 2018/19 season and 320 t in the 2019/20 season respectively satisfied the CCAMLR decision rules. ... in the vicinity of Heard Island and McDonald Islands during April 2018. This paper provides an updated growth ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX ...
Meeting Document : WG-FSA-18/56 : Author(s): D. Maschette and D. Welsford
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
differences in the criteria used to interpret the first few years of age, possibly in identification ... differences in the criteria used to interpret the first few years of age, possibly in identification ... Abstract: To examine consistency between laboratories in age estimation of Patagonian toothfish ... , then grinding from the anterior and posterior sides of the otolith. Ages were estimated from the otoliths by one ...
Meeting Document : WG-FSA-99/56 : Author(s): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)
to this population. The mean age of first breeding for black petrel is estimated to be 6.7 y. Before this, new adults ... that there is clear evidence that fisheries do not pose a risk to this population. The mean age of first breeding ... area. Once birds start breeding, their annual survival rate is 0.89, 80% breed each year, and of those ... , their annual survival rate is 0.89, 80% breed each year, and of those, 77% are successful (i.e., produce ...
Meeting Document : WG-SAM-10/P01 : Author(s): R.I.C.C. Francis and E.A. Bell (New Zealand)