An international journal of forestry and forest industries - Vol. 51- 2000/1
FAO - Food and Agriculture Organization of the United Nations
Editors: S.A. Dembner, A. Perlis
Editorial Advisory Board Forestry Department:J. Anderson, J. Ball, I.J. Bourke, S. Braatz, J. Clément, S.A. Dembner, M. Morell, C. Palmberg-Lerche, A. Perlis, L. Russo, K. Warner
Editing, design, graphics and desktop publishing: Editorial Group,FAO Information Division
Unasylva is published quarterly in English, French and Spanish editions. Subscription price: one year US$36.00, payable to the Sales and Marketing Group, FAO, Viale delle Terme di Caracalla, 00100 Rome, Italy, or to any of the FAO sales agents listed on the inside back cover.
Material not copyrighted may be reprinted
with credit to Unasylva, FAO.
Articles express the views of their authors,
not necessarily those of FAO.
The designations employed and presentation of material do not imply the expression of any opinion on the part of FAO concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.
FAO publications reviewed in Unasylva may be ordered from any of the FAO sales agents listed on the inside back cover. FAO will process orders from countries where there are no sales agents. Contact the Sales and Marketing Group, Information Division, FAO, Viale delle Terme di Caracalla, 00100 Rome, Italy.
Tel. (39) 06 57051;
Fax (39) 06 5705 3360;
Telex 625852/625853/610181 FAO I
E-mail: [email protected]
C. Kleinn
J.-M. Boffa
R. Carucci
H.M. Shelton
J. Mayers
F. Herzog
G. Kuchelmeister
M. Ahtisaari