Blar i Havforskningsnytt / Marine research news (1991- ) på forfatter "Dalen, John"
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Seismikkens ringvirkninger : The impact of seismic surveys
Dalen, John; Mæstad, Kjartan (Havforskningsnytt, Working paper, 2008)Sound is an important means of communication for many species of fish, in terms of feeding, survival and reproduction. The sound waves from seismic guns have low frequencies that overlap the range at which fish hear well. ... -
Seismisk skyting - større trugsmål mot fisket enn mot fisken
Dalen, John; Ona, Egil (Havforskningsnytt, Working paper, 1997)