The green spruce aphid in Western Europe: Ecology, status, impacts and prospects for management. A research initiative undertaken through European Community Concerted Action AIR3-CT94-1883 with the co-operation of European Communities Directorate-General XII Science Research and Development (Agro-Industrial Research)

arbre forestier biological control bosques climatic factors control de plagas crecimiento croissance damage defoliation dynamique des populations economia economics economie elatobium enemigos naturales ennemi naturel facteur climatique forest pests forest plantations forest trees forests growth insecte nuisible lutte antiravageur lutte biologique modele modelos models natural enemies pest control pest insects pest management pests of plants picea plagas de plantas plagas forestales population dynamics projet de recherche ravageur des plantes research projects