Resultados de la búsqueda
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Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands
Abstract: Detection of climate-induced change in marine ecosystems requires a knowledge of the ... variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ... the result of a reduction in the duration of fast-ice during the 19405 and 1950s. There was a ...
Meeting Document : WG-EMM-95/80 : Autor(es): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.
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Management arrangements in place for Statistical Division 58.5.2 – Heard Island and McDonald Islands
Author(s): Delegation of Australia Title: Management arrangements in place for Statistical ...
Meeting Document : SC-CAMLR-XXXIII/BG/30 Rev. 1 : Autor(es): Delegation of Australia
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Inclusion of fisheries notifications in the Database of Upcoming Expeditions to the Southern Ocean
Abstract: Many international programs collect information on upcoming activities in the Southern ... future activities in the Southern Ocean. DueSouth currently shares information on planned voyages and ... research vessels. Building on the 2018 endorsement by the Scientific Committee (e-sc-xxxvii_1.pdf paragraph ... : Inclusion of fisheries notifications in the Database of Upcoming Expeditions to the Southern Ocean Microsoft ...
Meeting Document : CCAMLR-38/BG/26 : Autor(es): Submitted by SCOR
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
design of the annual survey indicated some variability in survey catchability between years and suggest ... 1999. A minor revision to the recruitment series resulted in a relatively small reduction in the ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... term yields. Further work is required to evaluate the implications of current uncertainty in the rate ...
Meeting Document : WG-FSA-03/33 : Autor(es): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Summary of scientific observer data collected in the CAMLR Convention Area during 2013
Abstract: This paper summarises the data collected by Scientific Observers operating in the ... Secretariat up to 30 Sept 2013).. Information on observer coverage, incidental mortality (including the ... Title: Summary of scientific observer data collected in the CAMLR Convention Area during 2013 Approval ...
Meeting Document : WG-FSA-13/68 Rev. 1 : Autor(es): Secretariat
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Biomass results from the International Synoptic Krill Survey in Area 48, 2019
), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ... Abstract: Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... methods and procedures used in the CCAMLR 2000 krill acoustic survey. Backscatter from krill were ... in Area 48, 2019 Microsoft Word File: asam-2019-08r1.docx Approval: Approved Secretariat Workflow ...
Meeting Document : SG-ASAM-2019/08 Rev. 1 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox
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Adélie penguins’ response to unmanned aerial vehicle at Cape Hallett in the Ross Sea region, Antarctica
) in 2018. In order to obtain suitable images for counting the number of nests and mitigate ... Abstract: Aerial photography is widely accepted as a useful method for monitoring penguins in ... Antarctica, but there are concerns about the disturbance it causes to penguins in the process. Since 2016 ... Adélie penguins in this area, because Cape Hallett was designated as a new site for the Ecosystem ...
Meeting Document : WG-EMM-2019/36 Rev. 1 : Autor(es): J.-H. Kim, Y.-S. Kim, J.-W. Jung, W.Y. Lee, H.-C. Kim, J.H. Kim, H. Chung and H.C. Shin
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
of the austral summer sea-ice in the current research blocks in past ten years. The sea-ice condition ... observer data. The stock size estimates for the research block (5842E) was revised following advice in the ... last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ...
Meeting Document : WG-FSA-13/39 : Autor(es): Delegation of Japan
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... observer data. The stock size estimates for research blocks were revised following advice in the last WG ... -SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in such a way ... that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of coefficient ...
Meeting Document : WG-FSA-13/38 : Autor(es): Delegation of Japan
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Matlab code for calculating krill biomass in a survey area
Abstract: In 2010, CCAMLR tasked the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM ... ) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... algorithms developed since the first calculation in 2000. Subsequent to the 2010 SG-ASAM, code used to obtain ... others to derive biomass estimates. Over the last several years, attempts by many nations to use this ...
Meeting Document : SG-ASAM-16/03 : Autor(es): A. Cossio, J. Renfree and C. Reiss