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The Bossoleto CO 2 spring emits CO 2 which has a stable carbon isotopic ratio (δ 13 C = -8‰). We determined δ 13 C on leaves of several individual species growing in Bossoleto and in a nearby control site at ambient CO 2 . δ 13 C was 6% more negative in leaves of species collected from the grassland community of Bossoleto, indicating...
AbstractThe aim of this study was to characterise growth and photosynthetic capacity in plants adapted to long-term contrasting atmospheric CO2 concentrations (Ca). Seeds of Agrostis canina L. ssp. monteluccii were collected from a natural CO2 transect in central-western Italy and plants grown in controlled environment chambers at both ambient and elevated CO2 (350 and 700 mol mol1) in nutrient-rich...
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