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Size variations associated with abundance changes in juvenile Notothenia rossii, observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Abstract: Samples of fish collected from 1983 to 1992 at Potter Cove, King George Island, South ... rossii, in association with changes in the size and age structure of the juvenile population. Mean ... thought to be caused by local factors, but related with the operations of the commercial fishery during ... indicating the beginning of a recovery of the N. rossii population in Potter cove. Author(s): E.R. Marschoff ...
Meeting Document : WG-FSA-93/13 : Автор(ы): E.R. Marschoff and E.R. Barrera-Oro (Argentina)
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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 : Автор(ы): 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 : Автор(ы): 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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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 : Автор(ы): 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 ... on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... (international and national) aboard all vessels. At the time of writing this paper, one cruise in subarea 58.5.2 ... crew. A detailed list of the observations conducted and the types of data submitted to the Secretariat ...
Meeting Document : WG-FSA-10/05 : Автор(ы): Secretariat
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Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia
. In a system where the distribution and abundance of prey is highly variable, foraging behaviour must ... be highly adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent ... 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): P. Gasyukov (Russia), K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)
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