Differential responses to two heatwave intensities in a Mediterranean citrus orchard are identified by combining measurements of fluorescence and carbonyl sulfide (COS) and CO2 uptake

What is it about?

In this work we demonstrate, in a Mediterranean citrus orchard, that under mild and intense heatwave conditions, different combinations of changes in stomatal conductance, carbon assimilation, and in photoprotective mechanisms (such as, fluorescence, non-photochemical quenching, and photorespiration) are invoked . This helps to maximize ecosystem resilience during periods when high frequency of heat waves and peak annual productivity overlap.

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