Decreased nitrogen loading controls summer cyanobacterial blooms without promoting nitrogenfixing taxa: Longterm response of a shallow lake
T. Shatwell, J. Köhler, Limnology and Oceanography 64 (2018).

Influence of vertical mixing on lightdependency of phytoplankton growth
J. Köhler, L. Wang, A. Guislain, T. Shatwell, Limnology and Oceanography 63 (2017) 1156–1167.

Temperature and photoperiod effects on phytoplankton growing under simulated mixed layer light fluctuations
T. Shatwell, A. Nicklisch, J. Köhler, Limnology and Oceanography 57 (2012) 541–553.