Résultats de la recherche

1. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2013–2014

   Point and zero at Signy Island and Goudier Island. In total, 88 items of marine debris were found in ... association with seabird colonies at Bird Island, most commonly in association with wandering albatrosses (40 ... highest ever recorded in the 24 years of summer surveys and fourth highest ever recorded in 23 years of ... winter surveys at Bird Island. In contrast, the occurrence of beached marine debris at Signy Island was ...

   Meeting Document : SC-CAMLR-XXXIII/BG/31 : Auteur(s): Delegation of the United Kingdom

2. UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance

   Abstract:  The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... . However, knowledge about their potential impact on wildlife is scant, especially in the Antarctic, where ... they are a new tool used in ecological research and monitoring.    In this preliminary study we ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...

   Meeting Document : WG-EMM-15/50 : Auteur(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)

3. Performance metrics to index the spatial coverage of mark-recapture data

   interpreting the biomass estimated from mark recapture data. In 2015, the Scientific Committee identified that ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... area, SSRUs 88.2H to illustrate its use. We found that the median tag spatial overlap statistic in 2012 ...

   Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede

4. The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016

   currently includes 43 member countries and nine ICSU unions. SCAR encourages new members with an interest in ... and its role in the Earth System. SCAR also provides independent and objective scientific advice and ... re-affirmed at meetings of the two groups at the joint CEP/SC-CAMLR Workshop on Climate Change in ... in Malaysia. While there is a diverse range of SCAR research currently underway that is relevant to ...

   Meeting Document : SC-CAMLR-XXXV/BG/26 : Auteur(s): Submitted by SCAR

5. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   and the other by thin sectioning, in order to assess the comparability of age estimates derived from ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... available for use in the estimation of biological parameters and stock assessments of the respective ... sampling areas in East Antarctica and the Amundsen Sea. Author(s):  G. Nowara, B. Farmer, T. Barnes, P ...

   Meeting Document : WG-FSA-17/15 : Auteur(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

6. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

   . MEASO aims to provide a forward-looking assessment of what trends in Southern Ocean ecosystems are ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ...

   Meeting Document : SC-CAMLR-XXXVII/BG/22 : Auteur(s): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

7. A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS

   at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... twice as many non-breeding birds. Burrowing petrels comprised 96% of prey in skua middens at Prince ... in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ...

   Meeting Document : WG-EMM-10/P3 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

8. The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean

   . eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... overlapping populations of the two species. Despite large differences in the proportion of stomachs containing ... compete for prey in regions where both are distributed.  However, the large increase in rate of prey ... occurrence and size of prey in D. mawsoni stomachs relative to D. eleginoides suggests species differences in ...

   Meeting Document : WG-FSA-11/P03 : Auteur(s): J. Roberts, J. Xavier and D. J. Agnew

9. Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish

   longline fishery occurring in the Southern Indian Ocean off Kerguelen and Crozet islands. This fishery is ... accidental bird mortality. In order to find a solution to these issues a 25-day pot trial cruise was ... comparison are not straightforward due to the large number of pot model tested and the large differences in ... fishing techniques and further investigations are needed to be in position to asses the economic viability ...

   Meeting Document : WG-FSA-10/10 : Auteur(s): N. Gasco, P. Tixier and C. Guinet (France)

10. Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)

    stock structure in the Ross Sea have parallels for populations in other regions of the Antarctic, and ... locations in the northern areas of Subarea 88.1 & 88.2 to further investigate the possible larval ... dispersal from spatially discrete spawning grounds in these Subareas. Further, we derive plausible spawning ... locations from Scientific Observer sampling of D. mawsoni in other ocean sectors to identify starting ...

    Meeting Document : WG-FSA-12/48 : Auteur(s): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)

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