PhD in Ecology More than 25 years investigating the effects of air pollution on vegetation and terrestrial ecosystems. Main research lines: - Ozone and nitrogen effects on growth, physiology and biochemistry of Mediterranean vegetation. - Effects of air pollutants and climate change on natural ecosystems - Interactions between climate change and air pollution on carbon and nitrogen cycles - Critical loads and levels - Monitoring air pollutant concentrations and deposition - Using urban vegetation for improving air quallity