Vliv ovzduší dálnice D1 na okolní smrkové porosty
Klíčová slova:dálniční komunikace, kvalita ovzduší, poškození stromů, smrk ztepilý, ozon, oxidy dusíku
Ozone and NOx concentrations in the ambient air and rainfall were measured in different distances (40–900 m) from heavy-traffic-loaded highway D1 near Prague. In addition, their influence on the health of Norwegian spruce (Pice abies (L.) Karst.) forest stands was estimated. Atmospheric measurement proved that only vehicles moving up affect the air quality in a distance up to 50 m. Though no statistically significant differences in crown parameters were found, some indicators of long-term stress impact showed a big stress load on the site A1 situated only 40 m from the highway.