Lianas, trees show varied stem xylem structure-function link

The xylem of the plant stem performs several important functions. Elucidating the coordination or trade-offs between xylem functions is critical for understanding plant ecological strategy and adaptation to different environments. ...

Amazon rainforest may face tipping point by 2050: Study

The Amazon rainforest is facing a barrage of pressures that might tip it into large-scale ecosystem collapse as soon as 2050, according to new research Wednesday warning of dire consequences for the region and the world.

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