Tissue mannitol content of Fucus vesiculosus and Fucus serratus determined monthly at outer Kiel Fjord (August 2012 - July 2013) - Rickert, Esther; Karsten, Ulf; Pohnert, Georg; Wahl, Martin (In supplement to: Rickert, E et al. (2015): Seasonal fluctuations in chemical defenses against macrofouling in Fucus vesiculosus and Fucus serratus from the Baltic Sea. Biofouling, 31(4), 363-377, https://doi.org/10.1080/08927014.2015.1041020, 2016)