Julia Stahl, Landscape Ecology Group, University of
Oldenburg, PO Box 2593, D-26111 Oldenburg,
Germany,
Email: [email protected]
Marcel G.A. van der Heijden, VU University,
Amsterdam, Department of Ecological Science,
De Boelelaan 1085, 1081 HV Amsterdam, The
Netherlands; Agroscope Reckenholz-Ta ̈nikon,
Research Station ART, Reckenholzstrasse 191,
8046 Zu ̈rich, Switzerland,
Email: [email protected]
Wim H. van der Putten, Netherlands Institute
of Ecology, Centre for Terrestrial Ecology
(NIOO-KNAW) PO Box 40, 6666 ZG Heteren;
Laboratory of Nematology, Wageningen
University, PO Box 8123, 6700 ES Wageningen,
The Netherlands,
Email: [email protected]
Herman A. Verhoef, VU University, Amsterdam,
Department of Ecological Science, De Boelelaan
1085, 1081 HV Amsterdam, The Netherlands,
Email: [email protected]xiv LIST OF CONTRIBUTORS