this post was submitted on 24 Aug 2023

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Tropical forests are approaching critical temperature thresholds (www.nature.com)

submitted 1 year ago by boem@lemmy.world to c/science@lemmy.world

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[–] Yondoza@sh.itjust.works 6 points 1 year ago* (last edited 1 year ago)

Ok stupid question time. The temperature during the Cretaceous was on average hotter than the 3.9C increase stated to halt photosynthesis. There was certainly photosynthesis going on then, how is that possible? Do we assume the plants had enough time to adapt to that new temperature, changing their photosynthetic machinery to work at higher temperatures than today?