<style face="normal" font="default" size="100%">Can ammonia tolerance amongst lichen functional groups be explained by physiological responses?</style>

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<style face="normal" font="default" size="100%">Can ammonia tolerance amongst lichen functional groups be explained by physiological responses?</style>

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<style face="normal" font="default" size="100%">Current ozone levels threaten gross primary production and yield of Mediterranean annual pastures and nitrogen modulates the response</style>

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<style face="normal" font="default" size="100%">Critical loads of nitrogen deposition and critical levels of atmospheric ammonia for semi-natural Mediterranean evergreen woodlands</style>

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<style face="normal" font="default" size="100%">Responses of evergreen and deciduous Quercus species to enhanced ozone levels.</style>

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<style face="normal" font="default" size="100%">Assessing the risk caused by ground level ozone to European forest trees: a case study in pine, beech and oak across different climate regions.</style>

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<style face="normal" font="default" size="100%">Assessing the risk caused by ground level ozone to European forest trees: a case study in pine, beech and oak across different climate regions.</style>

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<style face="normal" font="default" size="100%">Measuring, modelling and testing ozone exposure, flux and effects on vegetation in southern European conditions--what does not work? A review from Italy.</style>

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<style face="normal" font="default" size="100%">Measuring, modelling and testing ozone exposure, flux and effects on vegetation in southern European conditions--what does not work? A review from Italy.</style>

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<style face="normal" font="default" size="100%">Stomatal conductance of semi-natural Mediterranean grasslands: implications for the development of ozone critical levels.</style>

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<style face="normal" font="default" size="100%">Stomatal conductance of semi-natural Mediterranean grasslands: implications for the development of ozone critical levels.</style>

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<style face="normal" font="default" size="100%">Monitoring tropospheric ozone impact on plants in natural and urban areas with a Mediterranean climate</style>

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<style face="normal" font="default" size="100%">Monitoring tropospheric ozone impact on plants in natural and urban areas with a Mediterranean climate</style>

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<style face="normal" font="default" size="100%">Assessment of the effects of ozone exposure and plant competition on the reproductive ability of three therophytic clover species from Iberian pastures</style>

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<style face="normal" font="default" size="100%">Growth response to ozone of annual species from Mediterranean pastures.</style>

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<style face="normal" font="default" size="100%">The relative sensitivity of different mediterranean plant species to ozone exposure</style>