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Publications Tobias Schaffeld

Publications                                                                                       (updated: 03.09.2020)

 

Peer-reviewed journals

 

Baltzer, J., Maurer, N., Schaffeld, T., Ruser, A., Schnitzler, J. G., and Siebert, U. (2020). “Effect ranges of underwater noise from anchor vibration operations in the Wadden Sea,” J. Sea Res., 162, 101912. doi:10.1016/j.seares.2020.101912

 

Schaffeld, T., Schnitzler, J. G., Ruser, A., Woelfing, B., Baltzer, J., and Siebert, U. (2020). “Effects of multiple exposures to pile driving noise on harbor porpoise hearing during simulated flights—An evaluation tool,” J. Acoust. Soc. Am., 147, 685–697. doi:10.1121/10.0000595

 

Schaffeld, T., Ruser, A., Woelfing, B., Baltzer, J., Kristensen, J. H., Larsson, J., Schnitzler, J. G. and Siebert, U. (2019). “The use of seal scarers as a protective mitigation measure can induce hearing impairment in harbour porpoises,” J. Acoust. Soc. Am., 146, 4288–4298.

 

Zein, B.; Woelfing, B.; Dähne, M.; Schaffeld, T.; Ludwig, S.; Hansen Rye, J.; Baltzer, J.; Ruser, A.; Siebert, U.:  Time and tide: Seasonal, diel and tidal rhythms in Wadden Sea Harbour porpoises (Phocoena phocoena)

In: PLoS ONE, 14(3): e0213348 (2019)

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0213348

 

Schnitzler, J. G.; Pinzone, M.; Autenrieth, M.; van Neer, A.; IJsseldijk, L. L.; Barber, J. L.; Deaville, R.; Jepson, P.; Brownlow, A.; Schaffeld, T.; Thomé, J.-P.; Tiedemann, R.; Das, K.; Siebert, U.: Inter-individual differences in contamination profiles as tracer of social group association in stranded sperm whales In: Scientific Reports

8 (2018) -
ISSN 2045-2322
http://hdl.handle.net/2268/226664

 

Schnitzler, J. G., Frédérich, B., Früchtnicht, S., Schaffeld, T., Baltzer, J., Ruser, A., Siebert, U. (2017). “Size and shape variations of the bony components of sperm whale cochleae”. Sci. Rep., 7, 46734.

 

Schaffeld, T., Bräger, S., Gallus, A., Dähne, M., Krügel, K., Herrmann, A., Jabbusch, M., Ruf, T., Verfuß, U.K., Benke, H., Koblitz, J.C. (2016). “Diel and seasonal patterns in acoustic presence and foraging behaviour of free-ranging harbour porpoises”, Mar. Ecol. Prog. Ser., 547, 257–272.

Oral presentations

Schaffeld, T., Ruser, A., Schnitzler, J.G., Woelfing, B., Baltzer, J., Siebert, U. (2019). „Acoustic harassment devices (seal scarers) can affect harbour porpoise hearing temporarily”. World Marine Mammal Conference, Barcelona, Spain.

 

Schaffeld, T., Ruser, A., Schnitzler, J.G, Woelfing, B., Baltzer, J., Siebert, U. (2019). „Effects of multiple exposures to pile driving noise on harbour porpoise hearing during simulated flights a risk evaluation tool“. Conference on the Effects of Noise on Aquatic Life, Den Haag, the Netherlands.

Poster presentations

Schaffeld, T., Ruser, A., Schnitzler, J.G, Woelfing, B., Baltzer, J., Siebert, U. (2019). „Effects of multiple exposures to pile driving noise on harbour porpoise hearing during simulated flights a risk evaluation tool“. Conference on the Effects of Noise on Aquatic Life, Den Haag, the Netherlands.

 

Schaffeld, T., Ruser, A., Schnitzler, J.G, Woelfing, B., Baltzer, J., Siebert, U. (2018). „Hazard zones for potential auditory damage – Estimated cumulative effects of pile driving for harbour porpoises in the German North Sea”. International meeting on the Effects of Sound in the Ocean on Marine Mammals, Den Haag, the Netherlands.

 

Baltzer, J., Woelfing, B., Dähne, M., Wahlberg, M., Fischer, M., Schaffeld, T., Rasmussen, M., Ruser, A., Siebert, U. (2017). ”The effect of pile driving on harbour porpoises’ behaviour at two offshore windfarms in and adjacent to the ‘Sylt Outer Reef’”. Conference of the European Cetacean Society, Middelfart, Denmark.

 

Schaffeld, T., Teilmann, J., Ruser, A., Siebert, U. (2017). What makes harbour porpoises jump? Analysis of ‘porpoising behaviour’ from D-Tag data of free-ranging harbour porpoises in the Baltic Sea. Conference of the European Cetacean Society, Middelfart, Denmark.

 

Zein, B., Woelfing, B., Schaffeld, T., Baltzer, J., Dähne, M., Siebert, U. (2017) “Timing it right - Tidal and temporal effects on detections and foraging behaviour of the harbour porpoise in the German North Sea”. Conference of the European Cetacean Society, Middelfart, Denmark.

 

Schaffeld, T. (2016). Living on the bright side – harbour porpoises don’t like rain. SeaBASS - Bioacoustic Summer School, Syracuse, NY, USA.

 

Schaffeld, T., Clausen, K.T., Gallus, A., Verfuß, U., Benke, H., Koblitz, J.C. (2012). Feeding at night Diel patterns in echolocation behaviour of harbour porpoises. Conference of the European Cetacean Society, Galway, Ireland.

Research Monographs

Siebert, U., Morell, M., Lakemeyer, J., Schaffeld, T. (2020). Investigations of underwater explosion impacts on harbour porpoises in the Baltic Sea. Final report of project, funded by the Federal Agency for Nature Conservation (BfN), Büsum, Germany.

 

Ruser, A., Baltzer, J., Schaffeld, T., Woelfing, B., Schnitzler, J.G., Siebert, U. (2019) “Effects of underwater noise of offshore-windfarms on marine mammals”. Final report of project, funded by the Federal Agency for Nature Conservation (BfN), Büsum, Germany.

 

Baltzer, J., Wonneberger, E., Schaffeld, T., Ruser, A., Woelfing, B., Stührk, P., Siebert, U. (2019). „Acoustic monitoring of harbour porpoises in the Wadden Sea“. Annual report of project, funded by the Schleswig-Holstein Agency for Coastal Defence (LKN) & National Park Administration of Lower Saxony (NLPV), Büsum, Germany.

 

Schaffeld T., Ruser A., Schnitzler J.G., Baltzer, J., Siebert, U. (2018). „Evaluation of the impact of underwater noise emissions on harbour porpoises (Phocoena phocoena)“. Final report of project, funded by Hamburg Port Authority (HPA), Büsum, Germany.

 

Baltzer, J., Schaffeld, T., Ruser, A., Woelfing, B., Stührk, P., Siebert, U. (2018a). „Acoustic monitoring of harbour porpoises in the Wadden Sea“. Annual report of project, funded by the Schleswig-Holstein Agency for Coastal Defence (LKN) & National Park Administration of Lower Saxony (NLPV), Büsum, Germany.

 

Baltzer, J., Schaffeld, T., Ruser, A., Woelfing, B., Stührk, P., Siebert, U. (2018b). „Acoustic monitoring of harbour porpoises in the Wadden Sea“. Annual report of project, funded by the Schleswig-Holstein Agency for Coastal Defence (LKN) & National Park Administration of Lower Saxony (NLPV), Büsum, Germany.

 

Baltzer, J., Schaffeld, T., Ruser, A., Woelfing, B., Stührk, P., Siebert, U. (2017). „Acoustic monitoring of harbour porpoises in the Wadden Sea“. Annual report of project, funded by the Schleswig-Holstein Agency for Coastal Defence (LKN) & National Park Administration of Lower Saxony (NLPV), Büsum, Germany.

 

Schaffeld, T., Ruser, A., Woelfing, B., Baltzer, J., Fais, A., Zein, B., Stührk, P., Siebert, U. (2016). „Acoustic monitoring of harbour porpoises in the Wadden Sea“. Annual report of project, funded by the Schleswig-Holstein Agency for Coastal Defence (LKN) & National Park Administration of Lower Saxony (NLPV), Büsum, Germany.

 

Ruser A., Woelfing B., Baltzer J., Schaffeld, T., Schuster, M., Findeisen, H., Fischer, M., Holz, F., Stührk, P., Rasmussen, M.H., Siebert, U. (2016) „Determination of Impact of the Construction Phase of the Wind Farms “Amrumbank West” in the SCI “Sylt Outer Reef” on Harbor Porpoises”. Final report of project, funded by the Federal Agency for Nature Conservation (BfN), Büsum, Germany.

 

Rasmussen, M.H., Woefling B., Baltzer J., Schaffeld, T., Fais, A., Schuster, M., Findeisen, H., Fischer, M., Dähne, M., Viquerat, S., Ruser, A., Stührk, P., Siebert, U. (2015) „Determination of Impact of the Construction Phase of the Wind Farms “Butendiek” in the SCI “Sylt Outer Reef” on Harbor Porpoises”. Final report of project, funded by the Federal Agency for Nature Conservation (BfN), Büsum, Germany.

 

Schaffeld, T. (2015). “Reduction of accidental bycatches in set-net fisheries by the use of acoustic signals”. Master Thesis, University of Natural Resources and Life Sciences, Vienna, Austria.

 

Schaffeld, T. (2011). “Analysis of the foraging behavior of harbour porpoises (Phocoena phocoena) in selected areas of the Baltic Sea by static-passive-acoustic monitoring”, Bachelor Thesis, Heinrich-Heine University, Düsseldorf, Germany.