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Physiological responses to low CO2 over prolonged drought as primers for forest–grassland transitions - Nature Plants

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Physiological responses to low CO2 over prolonged drought as primers for forest–grassland transitions - Nature Plants

Savannahs dominated by grasses with scattered C3 trees expanded between 24 and 9 million years ago in low latitudes at the expense of forests. Fire, herbivory, drought and the susceptibility of trees to declining atmospheric CO2 concentrations ([CO2]a) are proposed as key drivers of this transition. The role of disturbance is well studied, but physiological arguments are mostly derived from models and palaeorecords, without direct experimental evidence.

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Physiological responses to low CO2 over prolonged drought as primers for forest–grassland transitions - Nature Plants

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Physiological responses to low CO2 over prolonged drought as primers for forest–grassland transitions - Nature Plants

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