Responses of plant dune species

What is it about?

Photosynthesis in the six dune species was saturated at high PPFDs. Maximal CO2 exchange occurred during mid-morning when evaporative demand was low. In S. plumieri, C. monilifera and B. discolor, midday stomatal closure occurred to reduce water loss. All species maintained low conductance which contributed to high WUE and efficient stomatal regulation. Sclerophylly was exhibited by S. plumieri, C. maritima and B. discolor. This study demonstrated that the six disparate, species coexisting in the dune ecosystem exhibited similar survival strategies in response to light use, gas exchange, ion and water relations and degree of sclerophylly. The results of this study contribute to a better understanding of the ecophysiological functioning of dune speci

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