Résultats de la recherche
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Foraging energetics of grey headed albatrosses Diomedea chrysostoma at Bird Island, South Georgia
Abstract: At-sea metabolism (C02 production) and water turnover of six breeding Grey-headed ... Georgia. Mean food consumption (estimated from a water influx rate of 1.01 l d-1 and data on dietary ... composition) was 1200 g d-1 or 50.4 W. At-sea metabolism (derived from a rate of CO2 production of 3.98 l h-1 ... ) times the predicted BMR. This is the lowest cost of flight yet measured, but consistent with the highly ...
Meeting Document : SC-CAMLR-VII/BG/31 : Auteur(s): D.P. Costa (USA) and P.A. Prince (United Kingdom)
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Extending ecological monitoring to underpin the development of feedback management approaches for the Antarctic krill fishery
fishery. Such a management approach may also require the development of a new or extended monitoring ... of the issues associated with the development of a new monitoring programme, outlining one possible ... each. We propose that CCAMLR consider the merits of different approaches over the next two years, so ... that it can agree a way forward and make best use of the recently established CEMP Fund. Author(s ...
Meeting Document : WG-EMM-12/04 : Auteur(s): P.N. Trathan (UK), H.J. Lynch (USA), C. Southwell (Australia), P.T. Fretwell (UK), G. Watters (USA) and N. Ratcliffe (UK)
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CEMP camera installations by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies as a part of CEMP Fund project ‘Establishing a CEMP camera network in Subarea 48.1’
Station area on installation CEMP cameras in penguin colonies as part of the CEMP project run by USA ... monitor pengiune nests for breeding success and chronology. Cameras have been installed in the middle of ... breeding season due to late arrival and hard ice conditions in Argentine Islands area. In time of cameras ... sequences for all breeding activity the next season in 2016/2017. The training of winterers-biologists has ...
Meeting Document : WG-EMM-16/55 : Auteur(s): Delegation of Ukraine
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Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48
the objectives of the Commission, across the whole of Area 48. Co-ordinated by WG-SAM and/or FSA, a ... high level strategic approach will allow the formulation of research hypotheses and associated ... and results can be subsequently evaluated. A time schedule, in the form of a project plan with ... meeting its objectives for management of the Convention Area. Author(s): C. Darby and M. Söffker Title ...
Meeting Document : WG-FSA-17/54 : Auteur(s): C. Darby and M. Söffker
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
Abstract: Introduction 1. This paper contains a summary of all Scientific Observer data collected ... (international and national) aboard all vessels. At the time of writing this paper, one cruise in subarea 58.5.2 ... on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... crew. A detailed list of the observations conducted and the types of data submitted to the Secretariat ...
Meeting Document : WG-FSA-10/05 : Auteur(s): Secretariat
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Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia
be highly adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent ... . In a system where the distribution and abundance of prey is highly variable, foraging behaviour must ... predators foraging to provision their young and to feed themselves. We examine data from a variety of ... foraging range increases as the breeding season advances, potentially affecting local levels of predation ...
Meeting Document : WG-EMM-02/33 Text : Auteur(s): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)
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Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands
Abstract: Samples of Chaenocephalus aceratus were collected during a trawl survey carried out ... observed in other recent surveys within the same area, C. aceratus represented one of the predominant ... along their sagittal plane. To estimate the precision of age data, we compared blind readings by readers ... Bertalanffy growth curves were fitted to the estimated age-length data for each sex. The estimated values of ...
Meeting Document : WG-FSA-02/77 : Auteur(s): M. La Mesa, J. Ashford, E. Larson and M. Vacchi
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ... species. The proportion of males to the total adults decreased significantly with the depths with gradual ...
Meeting Document : WG-FSA-10/47 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ... species. The proportion of males to the total adults decreased significantly with the depths with gradual ...
Meeting Document : WG-SAM-10/16 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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A comparison of two different methods to age mackerel icefish (Champsocephalus gunnari) at South Georgia
Abstract: Age determinations estimated by means of otoliths and age classes derived from CMIX ... the two methods were revealed. A number of suggestions including an Age Determination Worksop to be ... held in Kaliningrad in 2005 and the exploration of methods in addition to CMIX are made to reconcile ... some of these differences in the future. Author(s): P. Gasyukov (Russia), K.-H. Kock (Germany) and ...
Meeting Document : WG-FSA-04/70 : Auteur(s): P. Gasyukov (Russia), K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)