## Addresses of the contributing authors

(list in alphabetical order)

Andersen B | Danish Forest and Landscape Research Institute Hoersholm Kongevej 11 2970 Hoersholm Denmark phone: +45 45 76 3200 or +45 4517 8276 fax: +45 45 76 3233 e-mail: bra@fsl.dk
Bacon PJ | Banchory Research Station Centre of Ecology and Hydrology Hill of Brathens Glassel Banchory Kincardineshire AB31 4BY U.K.
Bauer G | Harvard University Dept. of Organismic & Evolutionary Biology 16 Divinity Ave. Cambridge, MA 02138 USA phone: +1 617 495 8791 fax: +1 617 495 9300 e-mail: gbauer@oeb.harvard.edu
Belgrand MC | Cycles Biogéochimiques INRA-Nancy 54280 Seichamps France
Berendse F | Nature Conservation and Plant Ecology Group Wageningen University Bornsesteeg 69 6708 PD Wageningen The Netherlands phone: +31 3174 84973 fax: +31 3174 84845 e-mail: frank.berendse@staf.ton.wau.nl
Biron T | CEREC – ULP 3 rue de l’Argonne 67083 Strasbourg France
Bottner P | CGS – CNRS 1 rue de Blessig 67083 Strasbourg France
Bruckner G | Universität Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
Buchmann N | Max-Planck-Institut für Biogeochemie PO Box 10 01 64 07701 Jena Germany
Buzek F | Czech Geological Survey Klarov 3 11821 Prague Czech Republic
Cerny J | Czech Geological Survey Klarov 3 11821 Prague Czech Republic
Cotrufo MF | Dip. Scienze Ambientali Seconda Università di Napoli Via Vivaldi 43 81100, Caserta Italy phone: + 39 0823 274647 fax: + 39 0823 274605 e-mail: fcotrufo@tin.it
Coûteaux MM | CGS – CNRS 1 rue de Blessig 67083 Strasbourg France
Dambrine E | INRA-Nancy Cycles Biogéochimiques 54280 Seichamps France phone: +33 383 394071 fax: +33 383 394069 e-mail: dambrine@nancy.inra.fr
Dore S | University of Tuscia Department of Forest Environment and Resources Via San Camillo de Lellis 01100 Viterbo Italy
Garnett JS | Natural Environment Research Council Centre of Ecology and Hydrology Merlewood Research Station Grange-over-Sands Cumbria LA11 6JU U.K.
Gebauer G | Universität Bayreuth Universitätsstr. 30 95440 Bayreuth Germany phone: +49 9 21 / 55 27 48 , 2798, 25 67 fax: +49 9 21 / 55 25 64 e-mail: Gerhard.Gebauer@uni-bayreuth.de
George E | Universität Hohenheim Institut für Pflanzenernährung Postfach 70 05 62 70593 Stuttgart Germany phone: +49 7 11 / 4 59 36 64 fax: +49 7 11 / 4 59 32 95 e-mail: george@uni-hohenheim.de
Groscheova H | Czech Geological Survey Klarov 3 11821 Prague Czech Republic
Gundersen P | Danish Forest and Landscape Research Institute Hoersholm Kongevej 11 2970 Hoersholm Denmark
Harkness DD | NERC Radiocarbon Laboratory Scottish Enterprise Technology Park Rankine Ave East Kilbride Glasgow G75 0QF U.K.
Harrison AF | Natural Environment Research Council Centre of Ecology and Hydrology Merlewood Research Station Grange-over-Sands Cumbria LA11 6JU U.K. phone: +441 5395 32264 fax: +441 5395 34705 e-mail: T.Harrison@ceh.ac.uk
Hein M | Max-Planck-Institut für Biogeochemie PO Box 10 01 64 07701 Jena Germany
Högberg P | Swedish University of Agricultural Sciences (SLU) Dept. of Forest Ecology 90183 Umeå Sweden phone: +46 90786 5007 fax: +46-90786 7750 e-mail: Peter.Hogberg@sek.slu.se
Högbom L | Swedish University of Agricultural Sciences (SLU) Dept. of Forest Ecology 90183 Umeå Sweden Skog Forsk Uppsala Science Park 75183 Uppsala Sweden
Jussy JH | INRA-Nancy Cycles Biogéochimiques 54280 Seichamps France
Karlsson P | Swedish University of Agricultural Sciences (SLU) Dept. of Ecology and Environmental Research P.O. Box 7072 75007 Uppsala Sweden
Kjøller A | University of Copenhagen Department of General Microbiology Sølvgade 83 H 1307 Copenhagen K Denmark phone: +45 35 322045 fax: +45 35 322040 e-mail: ak@mermaid.molbio.ku.dk
Kummetz E | Universität Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
Martin F | INRA-Nancy Cycles Biogéochimiques 54280 Seichamps France Tel.: +33 83 39 40 80 Fax: +33 83 39 40 69 e-mail: fmartin@nancy.inra.fr
Matteucci G | DISAFRI – University of Tuscia Dept. of Forest Environm. And Resources Via San Camilo de Lellis 01100 Viterbo Italy phone: +39 0761 357292 fax: +39 0761 357389 e-mail: macchia@unitus.it
May C | Universität Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
Masci A | University of Tuscia Department of Forest Environment and Resources Via San Camillo de Lellis 01100 Viterbo Italy
Miller M | University of Copenhagen Department of General Microbiology Sølvgade 83 H 1307 Copenhagen K Denmark
Mund M | Max-Planck-Institut für Biogeochemie PO Box 10 01 64 07701 Jena Germany
Novak M | Czech Geological Survey Klarov 3 11821 Prague Czech Republic
Paces T | Czech Geological Survey Klarov 3 11821 Prague Czech Republic phone: +420 2 681 6945 fax: +420 2 -581 6945, -581 8748 or -581 6748 e-mail: paces@cgu.cz
Persson H | Swedish University of Agricultural Sciences Dept. of Ecology and Environmental Res. PO Box 70 72 750 07 Uppsala Sweden phone: +46 18 67 2426 fax: +46 18 67 3430 e-mail: Hans.Persson@eom.slu.se
Persson T | Swedish University of Agricultural Sciences Dept. of Ecology and Environmental Res. PO Box 70 72 750 07 Uppsala Sweden phone: +46 18 67 2448 fax: +46 18 67 3430 e-mail: Tryggve.Persson@eom.slu.se
Pflug A | Justus-Liebig-Universität Stephanstr. 24 35390 Giessen Germany
Priemé A | University of Copenhagen Department of General Microbiology Sølvgade 83 H 1307 Copenhagen K Denmark
Probst A | CGS – CNRS 1 rue de Blessig 67083 Strasbourg France
Read DJ | The University of Sheffield Dept. of Animal and Plant Sciences Sheffield S10 2UQ U.K. phone: +44 1 14 222 4318 fax: +44 1 14 276 0159 e-mail: D.J.Read@sheffield.ac.uk
Rebmann C | Max-Planck-Institut für Biogeochemie PO Box 10 01 64 07701 Jena Germany
Rowland AP | Natural Environment Research Council Centre of Ecology and Hydrology Merlewood Research Station Grange-over-Sands Cumbria LA11 6JU U.K.
Rudebeck A | Swedish University of Agricultural Sciences Dept. of Ecology and Environmental Res. PO Box 70 72 750 07 Uppsala Sweden
Scarascia-Mugnozza G | DISAFRI-University of Tuscia Dept. of Forest Environment and Resources Via San Camillo de Lellis 01100 Viterbo Italy phone: +39 0761 357395 fax: +39 0761 357389 e-mail: gscaras@unitus.it
Schinkel H | Swedish University of Agricultural Sciences (SLU) Dept. of Forest Ecology 90183 Umeå Sweden
Schmidt G | Universität Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
Schroeter D | Justus-Liebig-Universität Stephanstr. 24 35390 Giessen Germany
Schulze E-D | Max-Planck-Institut für Biogeochemie PO Box 10 01 64 07701 Jena Germany phone: +49 3641 643702 fax: +49 3641 643794 e-mail: detlef.schulze@bgc-jena.mpg.de
Seyferth U | Swedish University of Agricultural Sciences Dept. of Ecology and Environmental Res. PO Box 70 72 750 07 Uppsala Sweden
Sjöberg M | Swedish University of Agricultural Sciences Dept. of Ecology and Environmental Res. PO Box 70 72 750 07 Uppsala Sweden
Stivanello S | DISAFRI – University of Tuscia Dept. of Forest Environment and Resources Via San Camilo de Lellis 01100 Viterbo Italy
Stober C | Universität Hohenheim Institut für Pflanzenernährung Postfach 70 05 62 70593 Stuttgart Germany phone: +49 711 459 2344 fax: +49 711 459 3295 e-mail: george@uni-hohenheim.de
Struwe S | University of Copenhagen Dept. of Microbiology Sølvegade 83H 1307 Copenhagen Denmark phone.: +45 35 32 20 44 Fax: +45 35 32 20 40 e-mail: struwe@mermaid.molbio.ku.dk
Taylor AFS | The University of Sheffield Dept. of Animal and Plant Sciences Sheffield S10 2UQ U.K. phone: +46-18-672797 (direct) fax: +46-18-309245 e-mail: Andy.Taylor@mykopat.slu.se Swedish University of Agricultural Science Dept. of Forest Mycology and Pathology P.O. Box 7076 75007 Uppsala Sweden
Taylor AR | Justus-Liebig-Universität Stephanstr. 24 35390 Giessen Germany
van Oene H | Wageningen University Nature Conservation and Plant Ecology Group Bornesteeg 69 6708 PD Wageningen The Netherlands phone: +31 317 484167 fax: +31 317 484845 e-mail: Harmke.vanOene@staf.ton.wau.nl
Viville D | CEREC – ULP 3 rue de l’Argonne 67083 Strasbourg France
Wallenda T | The University of Sheffield Dept. of Animal and Plant Sciences Sheffield S10 2UQ U.K. phone: +44 1 14 222 4318 fax: +44 1 14 276 0159 e-mail: D.J.Read@sheffield.ac.uk
Wolters V | Justus-Liebig-Universität Stephanstr. 24 35390 Giessen Germany phone: +49 6 41 / 9 93 56 20 office: +49 6 41 / 9 93 56 21 fax: +49 6 41 / 9 93 56 29 e-mail: Volkmar.Wolters@allzool.bio.uni-giessen.de
Zeller B | INRA-Nancy Cycles Biogéochimiques 54280 Seichamps France