Nord, 1991:12: Cause related monitoring of forest damage: a review of the effect of air pollution on forest stands and of relevant monitoring parameters [atmospheric deposition, forest decline]

acidification air pollution arbre forestier azote broadleaved trees cell membranes coniferales crecimiento croissance danemark denmark dinamarca ecosistema ecosystems fauna faune feuille feuillu finland finlande finlandia fisiologia vegetal flora flore forest ecology forest soils forest stands forest trees free radicals frondosas gas exchange growth hojas intercambio de gases leaves membranas celulares membrane cellulaire monitoring nitrogen noruega norway nutrientes nutrients ozone ozono peuplement forestier plant physiology radical libre radicales libres rodales substance nutritive suecia suelo forestal sweden ultraestructura ultrastructure vigilancia