Résultats de la recherche
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Modelling the impact of krill fishing on seal and penguin colonies
with the foraging area of land-based predators such as seals and penguins in the Antarctic Peninsula ... ) are necessary given that there is a flux of krill through this region with its islands habited by ... spatial modelling framework that could be used to couple flux estimates with estimates of removals by both ... features with the Antarctic Peninsula ecosystem in that there is a substantial advective flux of either ...
Meeting Document : WG-EMM-05/14 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
g m-2) and its distribution was highly skewed with many zero observations. Within each survey the ... mean krill density was significantly correlated with the top 7% of the maximum krill densities observed ... , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... -2010) of low density (µ < 30 g m-2). This pattern showed three different periods, with fluctuations ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
seals also had increased, with several new breeding colonies along the east coast and one at Kent Crater ... colony among Subantarctic fur seals north of Boggel Beach remained small, with increased numbers of ... 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Update of stage 2 (2013/14 season) and preliminary results of stage 1 (2012/13 season) according to WG-SAM advice
not reach the threshold to start the depletion. A new prospective estimation of the local biomass (B ... estimation of the biomass of the SSRUs (B SSRU), maximal and minimal, considering areas with high and low ... densities, with a better fit of the regression and lower residuals than the previous analysis. An ... analysis of relevant sea-ice conditions in the last 11 seasons in these areas along with a summary of the ...
Meeting Document : WG-FSA-13/15 : Auteur(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48
Abstract: In this paper we provide WG-EMM with an update on aerial survey methods used to provide ... new estimates of penguin population distribution and abundance. This project will continue to develop ...
Meeting Document : WG-EMM-14/05 : Auteur(s): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)
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Distribution and biology of grey notothen (Lepidonotothen squamifrons) around South Georgia and Shag Rocks (Southern Ocean) CCAMLR Subarea 48.3.
distribution, size, maturity, and diet. Distribution was patchy with aggregations in specific ‘hotspots’ to the ... dominated by salps/tunicates, but with ontogenetic and depth variations in prey composition. Enhanced ... modelling and spatial marine management. Author(s): S. Gregory, J. Brown and M. Belchier (United Kingdom ...
Meeting Document : WG-FSA-12/34 : Auteur(s): S. Gregory, J. Brown and M. Belchier (United Kingdom)
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Preliminary report on SO-AntEco (South Orkneys – State of the Antarctic Ecosystem) benthic survey (JR15005) around the South Orkney Plateau (February–March 2016)
collaboration with the Scientific Committee for Antarctic Research (SCAR) State of the Antarctic Ecosystem ... was to understand the distribution and composition of the benthic communities associated with ... different geomorphic features both within and outside the South Orkney Islands Southern Shelf Marine ...
Meeting Document : WG-EMM-16/13 Rev. 1 : Auteur(s): H. Griffiths, S. Grant, K. Linse, P. Trathan and the SO-AntEco scientific team
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Hydrographic conditions in the Elephant Island plateau region during December 1996
-operative analysis of data sampled throughout the years in the Elephant Island Plateau Region. With the new ... collected by German research vessels in this region. By means of a new interactive software water mass ...
Meeting Document : WG-EMM-97/06 : Auteur(s): Stein, M.
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SUMMARY OF VME NOTIFICATIONS MADE UNDER CONSERVATION MEASURES 22-06 AND 22-07
Abstract: The requirements for notifying encounters, and potential encounters with vulnerable ... -07 in the case of encounters with potential VMEs during the course of bottom fishing, and under CM 22 ... registry. Since 2008, the Secretariat has received a total of 32 notifications of encounters with VMEs ... marine ecosystems (VMEs) are described in Conservation Measures (CM). Notifications are made under CM 22 ...
Meeting Document : WG-EMM-11/07 : Auteur(s): Secretariat
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Beach debris survey, Signy Island, South Orkney Islands, 2005/06
seasons with the exception of 2003/2004 and marking a return to what has otherwise proved a declining ... 's litter survey clearly show that the longevity of plastics and other materials with a high ... ensure that vessels are aware of, and comply with, regulations prohibiting the disposal of debris at sea ... resistance to degradation in the marine environment remains a problem. The need for continued monitoring to ...
Meeting Document : SC-CAMLR-XXV/BG/14 : Auteur(s): Delegation of the United Kingdom