Background

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Study: Biology at Utrecht University .

MSc thesis System ecology at the Department of Landscape Ecology. The topic was the difference in nutrient cycling between a wet heathland dominated by Erica tetralix and by Molinia caerulea.

PhD thesis 'Nutrient cycling and soil acidification in forest ecosystems in The Netherlands' at the Laboratory of Physical Geography and Soil Science of the University of Amsterdam , 1992.

From 1992 onwards Assistant Professor at the Institute for Biodiversity and Ecosystem Dynamics (IBED), Chair of Earth Surface Science (ESS), University of Amsterdam.