Résultats de la recherche

1. A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago

   to obtain in remote polar environments. The standard approach for income breeding pinnipeds, such as ... population dynamics in the South Shetland archipelago are largely driven by two breeding colonies, Cape ... last decade unmanned aerial systems (UAS), or drones, have become indispensable tools for wildlife ... Telmo Islands during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and ...

   Meeting Document : WG-EMM-2019/65 : Auteur(s): D.J. Krause and M.E. Goebel

2. La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)

   Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ...

   Meeting Document : WG-FSA-05/27 : Auteur(s): C. Lord, G. Duhamel et P. Pruvost (France)

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

   new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ... spatial coverage of fishing effort to recapture tagged fish is an important consideration when ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ...

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

4. DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY

   Abstract:  The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ... describe statistically the cause-effect relationship between two time-series and herein we propose that TFM ... are a valid tool for: i) discriminating environmental effects that influence the CPUE and ii ... Oscillation Index (AOI) and atmospheric pressure at sea level (APSL). TFM shows that the APSL, with an annual ...

   Meeting Document : WG-EMM-11/P3 : Auteur(s): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras

5. Uncertainty in acoustic surveys of Antarctic krill

   provided corroboration to an empirical model developed from a linear regression. However, TS values have ... in species delineation was also investigated, through the development of a statistical technique for ... integrated echo energy between two predominant scatterers, Euphausia superba and Salpa thompsoni. These ... ). A method was developed for compensating acoustic biomass estimates for the effects of DVM. Applying ...

   Meeting Document : WG-EMM-95/72 : Auteur(s): Demer, D.A.

6. The proposal of Availability Index to summarise the availability of harvested resources

   information on availability of the specific marina living resources for fishery. The availability index can be ... together with natural conditions, as well as conditions for fishery. Author(s):  K. Demianenko and G ... summarized availability of each harvested species of resources for human use. In connection with this it is ... Approval:  Approved Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing ...

   Meeting Document : WG-EMM-16/57 : Auteur(s): K. Demianenko and G. Milinevskyi

7. Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)

   of the species sampled, on the order of 3-4 ‰ for?15N (which equates to one trophic level) and 4 ... Atlantic, and sperm whales from the Gulf of Mexico. There was high variance in?15N and?13C values for each ... ‰ for?13C (suggesting multiple primary sources of organic matter). For each species where sufficient ... relationships between the two dependent variables,?15N and?13C, and four variables: location (SSRU), fish length ...

   Meeting Document : WG-EMM-07/19 : Auteur(s): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)

8. Spatial variability and power to detect regional-scale trends

   Abstract:  An important issue in regional-scale trend detection is the degree of concordance in ... trend between sites in relation to an average regional trend. If there is much or more variability ... power for various multiple-site monitoring scenarios. Under the conservative, hypothetical scenarios we ... extreme, monitoring at all sites in a region (a census) may be an unnecessary use of resources because the ...

   Meeting Document : WG-EMM-03/47 : Auteur(s): C. Southwell and L. Emmerson (Australia)

9. Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt

   Sea: on the basis that its northwestern shelf was an unglaciated refuge during recent glacial maxima ... , coincide closely with the criteria agreed to by the UN Convention for Biological Diversity to identify ... whales. The Ross Sea is in much the state as it has been for millennia. Data presented at the workshop ... to propose and justify reserving the Ross Sea for science and human heritage. The intent is to have ...

   Meeting Document : WG-EMM-09/14 : Auteur(s): J. Weller and D.G. Ainley (USA)

10. BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 1995/96

    bands found ashore was the highest for many years, as was the proportion of these which were uncut ... Abstract:  The sixth year of surveys of beached man-made debris at Bird Island, South Georgia ... number of items collected at the end of summer (March) was 75% greater than the previous year, which was ... itself an 8-fold increase over any earlier value. Nylon line, identical with that attached to longline ...

    Meeting Document : CCAMLR-XVI/BG/4 : Auteur(s): Delegation of the United Kingdom

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