Resultados de la búsqueda
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A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica
Abstract: We developed a bioenergetics model to estimate prey consumption by the Adelie penguin ... . The model predicts prey consumption throughout the breeding season and incorporates uncertainty in ... model parameters using Monte Carlo simulation. The model was parametised with data obtained from the ... , and a year with low breeding success. On the basis of variable breeding success and the proportion of ...
Meeting Document : WG-EMM-16/P10 : Autor(es): D. Southwell, L. Emmerson, J. Forcada and C. Southwell
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Emperor penguins – vulnerable to projected rates of warming and sea-ice loss; an international collaboration to inform species-related conservation decision-making and conservation planning
Abstract: An international group of scientists, from the United Kingdom, Australia, Finland ... , France, Germany, Monaco, the United States and SCAR, including the majority of those holding long-term ... to review the dependence and vulnerability of emperor penguins to ongoing and projected climate ... change. The outcomes of this work will have relevance to the ATCM, CEP and possibly CCAMLR because of its ...
Meeting Document : SC-CAMLR-38/BG/10 : Autor(es): Delegations of the United Kingdom, Australia, France, Germany, SCAR and ASOC
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Light levels experienced by foraging Antarctic fur seals, Arctocephalus gazella
Abstract: This study examined the feasibility of using time depth recorders (TDRs) to measure ... (Arctocephalus gazella) at Bird Island, South Georgia (54° 00' S 38° 02' W) in the 1994/5 austral ... the surface illumination when diving. Illuminance ranged from full sunlight (102 lux) at the surface ... to minimum starlight (10-6 lux) at night and during deep daytime dives. The change in il1uminance ...
Meeting Document : WG-EMM-99/28 : Autor(es): D.J. McCafferty, I.L. Boyd and T.R. Walker (UnitedKingdom)
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Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)
rules remain to be determined for these Divisions. The 2015/16 season was the first of a three-year ... . Australia will present to WG-SAM-2016 a full report on the fishing operation, catch composition, tagging and ... the original research plan set out in WG-FSA-15/47 Rev. 1, and propose continuation of this research ... in the 2016/17 season. Ongoing standardised longline fishing, in conjunction with fish biological ...
Meeting Document : WG-SAM-16/09 : Autor(es): Delegation of Australia
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Long-distance movements of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) from fishery-based mark-recapture data
Ecuador to Uruguay, and in the sub-Antarctic and Antarctic while Antarctic toothfish (D. mawsoni) are ... found closer to the Antarctic continental shelf and generally south of the Polar Frontal Zone. Data from ... existing tagging studies indicate that both species are generally non-migratory with the majority of ... 067 fish tagged and released of which 2 072 (3.0%) have been recaptured; the median distance between ...
Meeting Document : WG-FSA-17/06 : Autor(es): CCAMLR Secretariat
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Suggestions on revision of CCAMLR Scientific Observers Manual
Abstract: The CCAMLR Observer Manual details scientific observation guidelines and contains a set ... versions of the log forms (fish by-catch, krill biological data, conversion factors) and guides in the ... observer manual which may maximize the opportunity to collect data, and also streamline/prioritize the work ... /sampling to be completed by the observers. Author(s): S. Kawaguchi, R. Williams (Australia) and E ...
Meeting Document : WG-EMM-03/55 : Autor(es): S. Kawaguchi, R. Williams (Australia) and E. Appleyard (CCAMLR Secretariat)
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A proposal for modifications to Standard Method C2: fur seal pup growth
discussion on the need to modify Standard Method C2: Pup growth. The issues discussed relate to the timing of ... sampling and the selection of animals to weigh. The following is a proposal on how the protocol and ...
Meeting Document : WG-EMM-02/52 : Autor(es): M.E. Goebel (USA)
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Abstract: The CCAMLR Ecosystem Monitoring Programme has been developing a techniques-which might ... attributable to loss of prey through fishing activities. The principal fishery in the CCAMLR area is the krill ... fishery and this paper examines ways in which the information being obtained from the Ecosystem Monitoring ...
Meeting Document : WG-KRILL/CEMP-92/04 : Autor(es): A. Constable (Australia)
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Desplazamientos de los barcos
To further improve compliance with conservation measures, Members are required to notify the ... CCAMLR Secretariat of the movements into, out of and between subareas and divisions of the Convention ... reports directly to the CCAMLR Secretariat. This information is validated with Vessel Monitoring System ... (VMS) data that is also provided to the CCAMLR Secretariat by vessels operating inside the Convention ...
Page : Site Section: Compliance
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Are tagging targets set in appropriate terms?
Abstract: Currently the target tagging rate to be achieved by vessels fishing in the CCAMLR area ... is set in terms of the number of fish tagged per mass of fish caught thereby mixing “units” of ... measure. This note questions whether it is appropriate to set the tagging targets these terms and suggests ... that defining the target in terms of a percentage of the number caught may be more appropriate. Author ...
Meeting Document : WG-SAM-12/25 : Autor(es): R.W. Leslie and C. Heinecken (South Africa)