Home MERIKA About MERIKA MERIKA Profiles Denise Risch

Denise Risch


Postdoctoral Research Associate, SAMS


2013 PhD Zoology, University of Kiel, Germany / Northeast Fisheries Science Center, NOAA, USA

2004 MSc Zoology, Humboldt University of Berlin, Germany

2000 BSc Biological Sciences, University of Kiel, Germany

Research interests

  • Underwater sound in relation to marine renewable devices
  • Environmental impact assessments
  • Impacts of noise on the marine environment
  • Passive acoustic monitoring (PAM) of the marine environment
  • Underwater soundscape ecology
  • Baleen whale acoustic ecology and migratory behaviour


Risch D, Gales NJ, Gedamke J, Kindermann L, Nowacek DP, Read AJ, Siebert U, Van Opzeeland IC, Van Parijs SM & Friedlaender AM (2014) Mysterious bioduck signal attributed to the Antarctic minke whale (Balaenoptera bonaerensis). Biology Letters: 10(4); doi: 10.1098/rsbl.2014.0175.

Risch D, Siebert U & Van Parijs SM (2014) Individual calling behaviour and movement of North Atlantic minke whales (Balaenoptera acutorostrata). Behaviour 151: 1335-1360; doi: 10.1163/1568539X-00003187

Risch D, Clark CW, Dugan P, Popescu M, Siebert U, Van Parijs SM (2013) Acoustic ecology of minke whales in the Stellwagen Bank National Marine Sanctuary. Marine Ecology Progress Series 489: 279-295; doi: 10.3354/meps10426.

Popescu M, Dugan PJ, Pourhomayoun M, Risch D, Lewis III HW, Clark CW (2013) Bioacoustical periodic pulse train signal detection and classification using spectrogram intensity binarization and energy projection. ICML 2013 Workshop on Machine Learning for Bioacoustics, Atlanta, GA.

Pourhomayoun M, Dugan P, Popescu M, Risch D, Lewis H, Clark CW (2013) Classification for big dataset of bioacoustic signals based on human scoring system and artificial neural network. ICML 2013 Workshop on Machine Learning for Bioacoustics, Atlanta, GA.

Cholewiak D, Risch D, Valtierra R, Van Parijs SM (2013). Methods for passive acoustic tracking of marine mammals: estimating calling rates, depths and detection probability for density estimation. Chapter 6: In: Detection, Classification and Localization of Marine Mammals using passive acoustics. (Adam, O. & Samaran, F. ed.), p. 107-145.

Stanistreet J, Risch D, Van Parijs SM (2013) Passive Acoustic Tracking of Singing Humpback Whales (Megaptera novaeangliae) on a Northwest Atlantic Feeding Ground. PloS ONE 8(4): e61263. doi: 10.1371/journal.pone.0061263

Hernandez KM, Risch D, Cholewiak DM, Dean MJ, Hatch LT, Hoffman WS, Rice AN, Zemeckis D & Van Parijs SM (2013) Developing passive acoustic monitoring for Atlantic Cod (Gadus morhua) management and consevation. ICES Journal of Marine Science 70(3): 628-635; doi:10.1093/ices/jms/fst003

Mussoline SE, Risch D, Hatch LT, Weinrich MT, Wiley DN, Thompson MA, Corkeron PJ & Van Parijs SM (2012) Seasonal and diel variation of the North Atlantic right whale upcall: implications for management and conservation in the Northwestern Atlantic Ocean. Endangered Species Research 17: 17-26

Vu, ET, Risch D, Clark CW, Gaylord S, Hatch LT, Thompson MA, Tougaard J, Wiley DN & Van Parijs SM (2012) Humpback whale (Megaptera novaeangliae) song occurs extensively on feeding grounds in the Northwest Atlantic Ocean. Aquatic Biology 14: 175-183

Risch D, Corkeron PJ, Ellison WT, Van Parijs SM (2012) Changes in Humpback Whale Song Occurrence in Response to an Acoustic Source 200 km Away. PLoS ONE 7(1): e29741. doi: 10.1371/journal.pone.0029741

Van Parijs SM, Clark CW, Sousa-Lima RS, Parks SE, Rankin S, Risch D, Van Opzeeland IC (2009) Management and research applications of real-time and archival passive acoustic sensors over varying temporal and spatial scales. Marine Ecology Progress Series 395: 21-36

Van Opzeeland IC, Corkeron PJ, Risch D, Stenson GB, Van Parijs, SM (2009) Geographic variation in vocalizations of pups and mother-pup behaviour of harp seals, Pagophilus groenlandicus. Aquatic Biology 6: 109-120

Risch D, Clark CW, Corkeron PJ, Elepfandt A, Kovacs KM, Lydersen C, Stirling I & Van Parijs SM (2007) Vocalizations of male bearded seals (Erignathus barbatus): classification and geographical variation. Animal Behaviour 73: 747-762


T: +44 (0)1631 559415

E: denise.risch@sams.ac.uk