Behavioural reactions of free-ranging porpoises and seals to the noise of a simulated 2 MW windpower generator Koschinski, S. ; Culik, BM ; Damsgaard Henriksen, O. ; Tregenza, N. ; Ellis, G. ; Jansen, C. ; Kathe, G. Abstract Publication: Marine Ecology Progress Series Pub Date: 2003 DOI: 10.3354/meps265263 Bibcode: 2003MEPS..265..263K