EucFACE research features in the Weekend Australian

Teresa Gimeno’s recent paper on stomatal behaviour at EucFACE received page 5 coverage in Saturday’s Weekend Australian. The paper finds that instantaneous water-use efficiency increases in proportion to the CO2 concentration, or in layman’s terms “Either they use the same amount of water but they do more photosynthesis, or they do the same amount of photosynthesis but use less water”. I was pleased to see that the reporter, John Ross, was careful to include my caveats: “Professor Medlyn stressed that the experiment had analysed extra CO2 only “at the leaf scale”, with more work needed to observe the effects on whole plants and communities. Hotter conditions would probably cancel out benefits of higher CO2.”

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