Resultados de la búsqueda
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Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
third and final year of an agreed 3-year longline survey, in the wider context of connecting the ... recently undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall ... understanding of Dissostichus spp population structures in this region, and improving available data on ... bathymetry and associated distributions of benthic bycatch species. This paper reiterates the key points of ...
Meeting Document : WG-FSA-18/31 : Autor(es): G. Robson, P. Hollyman and C. Darby
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
becoming fewer towards the end of the season in August. Killer whale interactions appear to be more ... the levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter ... , with killer whales present on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod ... sizes normally of 4 to 10 animals, and often appear to actively seek out fishing vessels and ‘strip’ the ...
Meeting Document : WG-FSA-10/P06 : Autor(es): J. Moir Clark and D.J. Agnew
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Updated background paper (2018) on the Domain 1 MPA. Part B: rationale of changes
Abstract: The present document reflects on a series of documents, comments and suggestions made ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... papers discussed during the recent workshop on Spatial management held in Cambridge, 2018. In particular ... made during the meetings detailed above, and includes new information about the identification of krill ...
Meeting Document : SC-CAMLR-XXXVII/BG/08 : Autor(es): Delegations of Argentina and Chile
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UPDATE ON INTERSESSIONAL WORK BY THE SUBGROUP ON STATUS AND TRENDS ASSESSMENT OF PREDATOR POPULATIONS (WG-EMM-STAPP)
, reviewing diet and developing energetics models. The major task now requiring attention for estimation of ... krill consumption for SSMUs is the development of foraging distribution models for fur seals and ... . Trathan (UK) Title: UPDATE ON INTERSESSIONAL WORK BY THE SUBGROUP ON STATUS AND TRENDS ASSESSMENT OF ... at estimating krill consumption by pack ice seals, fur seals, penguins and flying seabirds in small ...
Meeting Document : WG-EMM-11/30 : Autor(es): C. Southwell, L. Emmerson (Australia), J. Forcada (UK), M. Goebel, J. Hinke, H. Lynch (USA), P. Lyver (New Zealand), J. McKinlay (Australia), N. Ratcliffe (UK), D. Ramm, K. Reid (CCAMLR Secretariat), C. Reiss, W. Trivelpiece, S. Trivelpiece (USA) and P. Trathan (UK)
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A circumpolar pelagic regionalisation of the Southern Ocean
series of latitudinal bands in open ocean areas, consistent with the oceanic fronts. Around islands and ... continents, the spatial scale of the patterns is finer, and is driven by variations in depth and sea ice. The ... information. The results show a series of latitudinal bands in open ocean areas, consistent with the oceanic ... variations in depth and sea ice. The results are broadly consistent with the earlier circumpolar results of ...
Meeting Document : WS-MPA-11/06 : Autor(es): B. Raymond (Australia)
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The effects of CEMP monitoring procedures on Adelie penguin colonies
Abstract: The effects of flipper bands, implanted tags/gastric lavage and external instrument ... attachment on the performance of Adelie penguins were investigated over three seasons at Bechervaise Island ... , Mac. Robertson Land, Antarctica. The return rates of birds carrying bands and/or implanted electronic ... transponders were compared to investigate the contribution of bands to bird mortality and to determine rates of ...
Meeting Document : WG-CEMP-93/19 : Autor(es): J. Clarke, K. Kerry (Australia)
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On the intensity of sampling krill trawl catches
uses actual krill length-frequency data in an attempt to address the problem of the determination of ... be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... Paper Title: On the intensity of sampling krill trawl catches Abstract / Description: This paper ... . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... differences in mean length with area as a function of sample size is to be derived by increasing the length ... most suited for the detection of a 2 mm difference in mean length between the two areas. A similar ... the projected sample sizes required for the detection of specific differences in mean length between ... measuredllocation (Le., 50, 150 or 50 in one size class). 3.3 Analysis of Samples With Time The mean lengths of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Autor(es): Miller, D.G.M.
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Summary of New Zealand research projects relevant to the Ross Sea region Marine Protected Area
fishery for Antarctic toothfish in the Ross Sea region. The intention of this paper is to present the ... researchers that are relevant to spatial planning, monitoring and research in relation to the Ross Sea region ... ecological conditions in the Ross Sea region; (2) “process-based” research to understand environmental and ... ): M. Pinkerton and J. Scarrow Title: Summary of New Zealand research projects relevant to the Ross ...
Meeting Document : WS-SM-18/03 : Autor(es): M. Pinkerton and J. Scarrow
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THE POWER OF ECOSYSTEM MONITORING
programme has a proven ability to detect the effects of natural variability in krill abundance, its ability ... , and the difference in the relative ecological costs of making type I and type II errors is likely to ... ecosystem monitoring programme, the utility of which depends upon its ability (measured by the statistical ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ...
Meeting Document : WG-EMM-08/P11 : Autor(es): K. Reid, J.P. Croxall and E.J. Murphy
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AN UPDATED DESCRIPTION AND PARAMETERISATION OF THE SPATIAL MULTI-SPECIES OPERATING MODEL (SMOM )
management units (SSMUs) in the Scotia Sea, to reduce the potential impact of fishing on land-based predators ... combinations of model parameters essentially try to bound the uncertainty in, for example, the choice of ... Abstract: An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... advice regarding the subdivision of the precautionary catch limit for krill among 15 small-scale ...
Meeting Document : WG-SAM-08/17 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)