<style face="normal" font="default" size="100%">Isotope discrimination and photosynthesis of vegetation growing in the Bossoleto CO 2 spring</style>

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<style face="normal" font="default" size="100%">Isotope discrimination and photosynthesis of vegetation growing in the Bossoleto CO 2 spring</style>

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<style face="normal" font="default" size="100%">Morphological adjustments of mature Quercus ilex trees to elevated CO 2</style>

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<style face="normal" font="default" size="100%">Thirty years of in situ tree growth under elevated CO2: a model for future forest responses?</style>

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<style face="normal" font="default" size="100%">Long term effects of naturally elevated CO 2 on mediterranean grassland and forest trees</style>