1. Department of Aquatic Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Droevendaalsesteeg 10 6708 PB Wageningen the Netherlands
2. Monterey Bay Aquarium Research Institute (MBARI) 7700 Sandholdt Road Moss Landing CA 95039‐0628 USA
3. Aquatic Microbiology Institute for Biodiversity and Ecosystem Dynamics University of Amsterdam Science Park 904 1098 XH Amsterdam the Netherlands