A Result of Accidental Noise Pollution: Acoustic Flowmeters Emit 28 kHz Pulses That May Affect Harbor Porpoise Hearing by Tobias Schaffeld, Joseph G. Schnitzler, Andreas Ruser, Johannes Baltzer, Max Schuster, Ursula Siebert

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Time and tide: Seasonal, diel and tidal rhythms in Wadden Sea Harbour porpoises (Phocoena phocoena). by Beate Zein, Benno Woelfing, Michael Dähne, Tobias Schaffeld, Stefan Ludwig, Jacob Hansen Rye, Johannes Baltzer, Andreas Ruser, Ursula Siebert

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Vessel noise exposures of harbour seals from the Wadden Sea by Dominik André Nachtsheim, Mark Johnson, Tobias Schaffeld, Abbo van Neer, Peter T. Madsen, Charlotte R. Findlay, Laia Rojano-Doñate, Jonas Teilmann, Lonnie Mikkelsen, Johannes Baltzer, Andreas Ruser, Ursula Siebert, Joseph G. Schnitzler

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