Principal Investigator: Alex Zerbini, NMML, AFSC, NOAA Fisheries, USA; Cascadia Research Collective, USA; Instituto Aqualie, Brazil |
Funding year: 2010 |
Main objectives:
|
Main outcomes:
|
Reports/Papers:
Zerbini et al. 2011. Assessing bias in abundance estimates from aerial surveys to improve conservation of threatened franciscana dolphins: preliminary results from a survey conducted in southern Brazil. SC/63/SM9. Click here to read.
Sucunza et al. 2014. Evaluating Factors Affecting Availability of Franciscana Dolphins (Pontoporia blainvillei) from Helicopter Surveys in Southern Brazil. SC/65b/SM18. Click here to read. |
Map of Babitonga Bay, southern Brazil, showing survey areas, realised trackline effort & franciscana
Franciscana seen from the air. Picture: Federico Sucunza, Institute Aqualie
Detection functions for the boat and aeroplane.
International Whaling Commission
The Red House, 135 Station Road, Impington, Cambridgeshire, CB24 9NP
+44 (0) 1223 233 971
secretariat@iwc.int
Subscribe to the IWC Mailing List