Pinus strobus is coming back in North America - teaching for natural and artificial forests of Pinus strobus in Piemonte and Lombardia | Le pin Weymouth est de retour dans l'Amerique du nord - quels enseignements pour les peuplements naturels et artificiels en Piemont et Lombardie

altopiano broadleaved forests conduite de la culture crecimiento crescita croissance crop management defogliazione defoliation environmental factors establecimiento de plantas facteur du milieu factores ambientales fattori ambientali forest pathology foreste di latifoglie gestione delle colture grandes lagos grands lacs great lakes growth inquinamento introduction de plantes introduzione di piante lombardia lombardie lombardy lymantria dispar manejo del cultivo meseta multiple use forestry nord america north america patologia forestale piamonte piedmont piemont piemonte pinus strobus plant establishment plant introduction plateau pollution procedencia provenance provenienza geografica reforestation rimboschimento selvicoltura polivalente uso multiple del bosque