Résultats de la recherche
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Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter
their ability to support decision-making for issues ranging from fisheries management to ecosystem ... (SO) between 2008 and 2014 to develop explanatory and predictive models for acoustic backscatter, a ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ... additive mixed models were used to develop simple predictive models for backscatter in the epi- and ...
Meeting Document : WG-EMM-18/P07 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island
) and an overnight forager (5732 kJ) based on available input parameters. A comparison of krill in the ... values of the estimated diet mass were 4085 kJ for diurnal foragers and 4809 kJ for overnight foragers ... , which were comparable with daily average energy requirements calculated for a diurnal forager (4853 kJ ... , where krill tended to be smaller and less matured. On the other hand, overnight foragers took krill in ...
Meeting Document : WG-EMM-96/55 : Auteur(s): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.
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Climate change impacts, vulnerabilities and adaptations: Southern Ocean marine fisheries
. However, as an “under-exploited” fishery, there is potential for krill to play a role in global food ... -dependent livelihoods in the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) Area, therefore climate change will have limited direct implications for regional food security ... Workflow Status: Content Approved Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : WG-EMM-18/P19 : Auteur(s): K. Reid
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Dietary studies of Adélie penguins through faecal DNA analysis
DNA from penguin faecal samples as an alternative, non-invasive procedure. We describe the technique ... Approved Delegation responsibility for releasing documents: Australia ... , discuss recent results and outline current thoughts on its advantages and limitations. We also outline a ... validation study currently underway on samples collected at Signy Island, South Orkneys, to compare the prey ...
Meeting Document : WG-EMM-17/13 : Auteur(s): L. Emmerson, B. Deagle, C. Waluda, M. Dunn, P. Trathan and C. Southwell
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Marine debris: a persistent and emerging threat to antarctic ecosystems
has the capacity to detect and monitor the impacts of marine debris on populations, and could set an ... example for other management bodies seeking to reduce the impacts of this problem on marine species ... : Content Approved Document Release Consent: Yes Delegation responsibility for releasing documents: CCAMLR ... , and avenues to assess these impacts on the population and community levels should be explored. CCAMLR ...
Meeting Document : SC-CAMLR-XXXVI/BG/29 : Auteur(s): Submitted by ASOC
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
of relative krill density around Antarctica with the most recent, acoustics-derived, value for the ... throughput for a species of this size. The similarity between the three production estimates reflects a broad ... agreement between the three growth models used, plus the fact that, for a given population size, production ... system and what is required to support an estimated predator consumption of 128-470 Mt y-1. Given the ...
Meeting Document : WG-EMM-08/17 : Auteur(s): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2015–2016
, at Signy Island, South Orkneys and at Goudier Island, Antarctic Peninsula for the period April 2015 ... . Entanglements of two sub-adult Antarctic fur seals and one juvenile elephant seal were observed at Bird Island ... items). Two incidences of entangled adult wandering albatrosses and one entangled snowy sheathbill were ... level for wandering albatrosses and black-browed albatrosses, but above the mean for grey-headed ...
Meeting Document : SC-CAMLR-XXXV/BG/21 : Auteur(s): Delegation of the United Kingdom
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Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)
Sea during the summer period, the two species of euphausiid inhabit different areas. Lengths of Ice ... : No Delegation responsibility for releasing documents: CCAMLR Secretariat ... 1000m3. The high abundance of Euphausia superba (1510 g/1000m3) found in a single haul on the Mawson Bank ...
Meeting Document : WG-EMM-00/38 : Auteur(s): M. Azzali, A. Sala and G. Brancato (Italy)
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THE USE OF PATENT DATABASES TO DETECT TRENDS IN THE KRILL FISHERY
database be taken over by the Secretariat so that they can maintain an annual register of krill related ... patents which will be of use for indicating future trends in the krill fishery. Author(s): Delegation of ... Secretariat Workflow Status: Content Approved Document Release Consent: Yes Delegation responsibility for ... Abstract: Trends in the krill fishery are currently informed by data on annual catches and by the ...
Meeting Document : SC-CAMLR-XXVIII/BG/15 : Auteur(s): Delegation of Australia
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Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6
Abstract: France presented at the CCAMLR XXVIIth meeting, an action plan aiming to reduce ... and 58.6, for the period 2008/2009 to 2011/2012. France demonstrated at the CCAMLR XXXth meeting, to ... incidental catch of seabirds for the 2013-2014 period. It also presents a synthesis of the populations ... the Southern French Islands, and the improvements that France wants to do to keep on reducing ...
Meeting Document : WG-FSA-13/06 : Auteur(s): C. Marteau (France)