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Orcasphere » 2009 » December » 14
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+3dB noise reduces ‘effective listening area’ 30%


Jim Cummings of the Acoustic Ecology Institute has posted another great synopsis of an important new bioacoustics paper that has big implications for southern resident killer whales.  After defining a new bioacoustic metric “effective listening area” (which is MUCH more intuitive than “active space”), the authors clarify how slight increases in ambient noise can have [...]