The individual and combined effects of ozone and simulated acid rain on growth, gas exchange rate and water-use efficiency of Pinus armandi Franch

acid deposition air pollution arbre forestier chlorophylle chlorophylls clorofilas crecimiento croissance efficiency eficacia fisiologia vegetal forest trees gas exchange growth intercambio de gases ozone ozono photosynthese photosynthesis pinus plant physiology plant water relations plantule pollution relaciones planta agua relation plante eau seedlings transpiration uso del agua utilisation de l'eau water use