Oceanwide Science Institute

Azores Project

Seamounts are hotspots of marine life in the Azores, acting as feeding stations for diverse top predators, including cetaceans. In 2007, OSI began a collaborative project with the University of the Azores’ Department of Oceanography and Fisheries (DOP) to monitor the seasonal occurrence of dolphins and whales and measure fishing activities in Azorean marine protected areas. Four Ecological Acoustic Recorders were deployed on banks and seamounts along the Azorean archipelago. Two shallow (35 m) and two deep (190 m) units monitored the occurrence of cetaceans, their temporal patterns and changing levels of activity. A wide variety of acoustic signals were collected, revealing the presence of many different species and associations between species.


Cascao, I., Lammers, M.O., Silva, M.A., Afonso, P., Prieto, R. and Santos, R.S. (2009) “Monitoring cetaceans on seamounts in the Azores using passive acoustic techniques.” J. Acoust. Soc. Am. 125, 2547.


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