Resultados de la búsqueda
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
abundance of the mackerel icefish Champsocephalus gunnari that, since 1990, are not directly attributable to ... , but indirectly influenced by, krill availability. 4. Examination of food chain relationships indicates ... postulated that could explain the episodic declines in the abundance of C. gunnari in the absence of fishing ... species, highlighting the importance of the ecosystem approach to fisheries management. Author(s): I ...
Meeting Document : WG-FSA-99/63 : Autor(es): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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Report on the results of exploratory research fishing for crabs in Subarea 48.2 on board FV Tamango in the 2009/10 season
Abstract: Exploratory research voyage of F/V 'TAMANGO' proceeded from March, 23 to May ... revealed no commercial concentrations of crabs on the South Orkney Islands shelf. However, commercial ... concentrations of king crabs were encountered in the area adjacent to CCAMLR area, on the North Scotia Ridge, at ... , three species of king crabs were found on the Patagonian shelf: Lithodes santolla, Paralomis ...
Meeting Document : WG-SAM-11/19 : Autor(es): V.A. Bizikov and S.E. Anosov (Russia)
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
Elephant Island area are examined to determine the level of sampling effort required to adequately assess ... the (1) abundance and demographic structure of Antarctic krill and (2) relative abundance and ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... operating on seasonal and interannual time scales. The results of these analyses indicate that minimal ...
Meeting Document : WG-EMM-97/32 : Autor(es): Loeb, V.
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)