Ultrastructural responses of the lichen Bryoria fuscescens to simulated acid rain and heavy metal deposition

acid deposition acid rain acide sulfurique air pollution algae betula pubescens branche branches breeds (animals) champignon cobre copper cuivre epifitas epiphyte epiphytes fungi heavy metals hongos lichen lichenes metales pesados mitochondria mitochondrie mitocondria nickel ph pinus sylvestris race (animal) ramas razas (animales) sulphuric acid thylakoids tilacoides ultraestructura ultrastructure