Recent porpoise research at Fjord&Bælt · Trained animals for research Foto: Peter Verhoog Started...
Transcript of Recent porpoise research at Fjord&Bælt · Trained animals for research Foto: Peter Verhoog Started...
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Recent porpoise research
at Fjord&Bælt
Magnus WahlbergMarine Biological Research Center,
University of Southern Denmark
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Trained animals for research
Foto: Peter Verhoog
Started with 2 animals in 19974 animals in 20071 animal in 2020
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Earlier work on echolocation, sound production and hearing
Koblitz et al. 2008 JASAVerfuss et al. 2005 and 2010, JEB
Teilmann et al. 2006 Mar. Mamm. Sci.Deruiter et al. 2010 JEB
Wisniewska et al. 2012 JEBLinnenschmidt et al. 2012 Proc. R. Soc. B
Linnenschmidt et al. 2013 NaturwissenschaftenWisniewska et al. 2015 E-life
Dyndo et al. 2015 Sci. Rep.Wahlberg et al. 2017 J Comp. Physiol.Solvin Zankl, Fjord&Bælt
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Harbour porpoise 3-D beam pattern
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Temporary Threshold Shift (TTS) due to seal scarers
Fjälling et al. 2006
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Tag developmentAttachement methods
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DTAG ABR (Adam Smith, in prep.)
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Body size tells us about porpoises’ lives
Pregnantfemales
Non-pregnantfemales
Ulrik Møhl 1955
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Growth, age and size
Stepien 2018 MSc thesisStepien et al., RSOS in rev.
Data from animals at Fjord&bæltand Dolfinarium Harderwijk
Lockyer and Kinze growth curves
Accuracy within 10%
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Cooperating porpoises (Ortiz et al. in prep)
Porpoise association patterns at F&B(Lara Delgado 2010, MSc thesis)
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Pinger playback (Brennecke et al., in prep.)Teilmann et al. 2006
pinger
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Are seal-safe pingers seal-safe?(Amundin / Königsson et al. in prep.)
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The App ‘Marine tracker’: Citizen Science observationsNumber of app downloads in 2019: 2,150
Number of porpoise observations: 4,719 Single animals 2287 obs. (49%)Mother+calf 815 obs. (17%)Many animals 1617 obs. (34%)
https://marinebiologicalresearch.firebaseapp.com/
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Porpoise CS observations 2019 (courtesy S. Sveegaard, DCE-AU)
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FundingHorizon 2020
Office of Naval Reserach
Bundesamt für Naturschutz
EU Strategic Fishery fund
Independent Research Fund Denmark
Danish Council of Independent Research
Carlsberg Foundation
Questions?Please contact me [email protected]