Affiliation: | (1) Department of Forestry, Environment and Natural Resources, Democritus University of Thrace, P.O. Box 129, Pantazidou 193, 68200 Orestiada, Greece;(2) Institut für Forstgenetik und Forstpflanzenzüchtung, Georg-August-Universität Göttingen, Büsgenweg 2, 37077 Göttingen, Germany;(3) Institute of Mediterranean Forest Ecosystems and Forest Products, National Agricultural Research Foundation, Terma Alkmanos, Ilissia, 115 28 Athens, Greece |