* Corresponding authors

^a University of New South Wales, Water Research Centre, Sydney, Australia
E-mail: krm@unsw.edu.au
Fax: +61 2 9313 8624
Tel: +61 2 9385 4601

^b Chalmers University of Technology, Water Environment Technology, Gothenburg, Sweden

^c Technical University of Denmark, National Institute for Aquatic Resources, Charlottenlund, Denmark
E-mail: cost@aqua.dtu.dk

^d Ernst-Kabel-Stieg 5a, 22087 Hamburg, Germany
E-mail: philip.wenig@gmx.net

^e University of Copenhagen, Dept. Food Science, Frederiksberg, Denmark
E-mail: rb@life.ku.dk