More CO2 – More Photosynthesis – More Greening

sunshine hours

Someone decided to study plants that have grown for generations near high CO2 springs.

Normally these studies look at FACE experiments and then criticize those experiments because they are only single generation.

Guess what they found.?

In a new meta-analysis, Saban et al. took a different approach and assessed all of the data collected for plant response to high CO2 concentration from plants grown for multiple generations over many decades in naturally high CO2 springs. Such springs are found across the world – with 23 highlighted here- and many have been the focus of studies on the physiological responses of plants to rising CO2, similar to those undertaken in FACE experiment. Comparing these two approaches, plants subjected to higher CO2against plant lineages that have had time to acclimate, has never been done before.

High CO2 springs harbour a vast array of plant types…

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