Resultados de la búsqueda
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An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging
many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there ... is still incomplete understanding of the links between species and the effect of environmental ... understand the interactions between penguins and krill to determine the indirect effect of krill fisheries on ... penguin foraging success and behaviour in adjacent breeding sites. 3. Increased fishing pressure offshore ...
Meeting Document : WG-EMM-03/34 : Autor(es): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)
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Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)
Abstract: We used radio telemetry and observations to study the activity patterns and behaviour ... of gentoo penguin chicks during their “fledging period”; defined as the time between a chick’s first ... trip to sea and its final dispersal from the breeding colony. Our study was conducted at a colony of ... approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ...
Meeting Document : WG-EMM-06/8 : Autor(es): M. Polito and W.Z. Trivelpiece (USA)
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
moved significant distances from the slope fisheries in SSRUs 88.1H, 88.1I, and 88.1K to Terra Nova Bay ... Abstract: Descriptive analyses of the toothfish tagging programme carried out in Subareas 88.1 ... and 88.2 since 2001 are updated. The paper provides a preliminary update of the tag-release and tag ... -recapture data that were presented at the October 2006 meeting of WG-FSA by including data from New Zealand ...
Meeting Document : WG-SAM-07/5 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
Abstract: The descriptive analyses of the toothfish tagging programme carried out in Subareas ... 88.1 and 88.2 since 2001 are updated, including data for the 2007 season for all vessels. This paper ... provides an update of the preliminary tag-release and tag-recapture data that were presented at the July ... , and 911 Patagonian toothfish released and 43 recaptured since 2001. The number of tags recaptured in ...
Meeting Document : WG-FSA-07/40 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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On the problem of by-catch of juvenile fish in krill fishery
conducted during 1985-1988 in the Kosmonavtov and Sodruzhestva seas (Antarctic Indian Ocean sector). Isaacs ... -Kidd trawl with an opening area of 6.0 m2 was used. Trawls were taken in the 0-200 m surface layer over ... the bottom depth range from 100 to 5000 m. In 1988, studies included catches taken by a commercial ... krill trawl with an opening area in a small meshed section of the trawl beg of 100 m2. Catches were ...
Meeting Document : WG-FSA-92/10 : Autor(es): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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Preliminary proposal for designation an Antarctic Specially Protected Area in the Argentine Islands Archipelago and nearby Graham Coast Antarctic Peninsula region
the Argentine Islands Archipelago as well as CEMP sites managed by Ukraine. Since 2003 Ukraine has ... Abstract: Ukraine is planned to establish the Antarctic Specially Protected Area (ASPA) at the ... region of Argentine Islands Archipelago, adjacent islands of the Wilhelm Archipelago and costal oases of ... nearby Graham Coast Antarctic Peninsula (short abbreviation – AIGC ASPA). This ASPA will include the ...
Meeting Document : SC-CAMLR-38/BG/21 Rev. 1 : Autor(es): Delegation of Ukraine
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Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan have revised the next season’s (2016/17) research plan in ... Subarea 48.6 using the latest CCAMLR C2 and Observer data, following several advices during WG-SAM meeting ... in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... current analysis, but not used the cleaning data provided by them in this early September due to tight ...
Meeting Document : WG-FSA-16/32 Rev. 1 : Autor(es): Delegations of Japan and South Africa
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Managing ecosystem uncertainty: critical habitat and dietary overlap of top-predators in the Ross Sea
coast of Victoria Land from 1990 through 2004, we summarize the foraging ranges from these sites and the ... managers of the close spatial and temporal ecological overlaps among top predators in the Ross Sea Shelf ... ) demonstrated that space-time overlap is critical to predicting the degree to which a fishery might affect a ... food web. The fisheries that we contemplate are those for Antarctic toothfish and the Antarctic minke ...
Meeting Document : WG-EMM-06/29 : Autor(es): Testa, J.W., Stewart, B.S., Olmastroni, S., Lyver, P., Karl, B., Eastman, J., Barton, K., Ballard, G., Toniolo, V., Wilson, P., Ainley, D.
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
multiple sites in Subarea 48.1. We developed a spline-based method to analyze the photographic data ... Abstract: Here we compile four vignettes that, together, provide the basis for making downward ... adjustments to local catch limits for the krill fishery in Subarea 48.1. We use the term local catch limit to ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ...
Meeting Document : WG-EMM-16/46 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)
groups, the west of Prydz Bay region seemed to be an important area for pre-adult D.mawsoni as reported ... Abstract: The research fishing proposal for Dissostichus spp. in Subarea 48.6 and Divisions ... 58.4.1, 58.4.2 and 58.4.3a is resubmitted following paragraph 3.24 of WG-SAM-12. In the present proposal ... , we firstly showed information of catch, efforts, tagging experimental results based on the CCAMLR C2 ...
Meeting Document : WG-FSA-12/60 Rev. 1 : Autor(es): Delegation of Japan