Diel echolocation activity of harbour porpoises (Phocoena phocoena) around North Sea offshore gas installations

Todd, V. L. G.; Pearse, W. D.; Tregenza, N. C.; Lepper, P. A.; Todd, I. B.
ICES Journal of Marine Science (2009)

Echolocation clicks of harbour porpoises (Phocoena phocoena) were detected with T-PODs, autonomous, passive, acoustic-monitoring devices, deployed from an offshore-exploration-drilling-rig and gas-production-platform complex in the Dogger Bank region of the North…