... limit insectcolonization of stone pine cones (Dormont,199 3). Similar phenological relationships be-tween seed cone development and action of mortality factors, especially ... unit.ACKNOWLEDGMENTSWe thank E De Guillebon, National Park of Vanoise, A Collas, National Forestry Office of Savoie, D Rougon, University of Orléans, JPRaimbault, INRA, Orléans, ... peuplements de pin cembro".REFERENCESContini L, Lavarelo Y (198 2) Le pin cembro (Pinus cem-bra L) . Répartition, écologie, sylviculture et produc-tion. INRA, Versailles,...