NEWS: Dr. Hartmann - climate extremes and their effect on forest

The world is changing rapidly. Temperatures are increasing at an unprecedented rate, climatic extremes are occurring more and more frequently and with greater severity.

Forests are suffering in many regions around the world and there are concerns about a general trend of forest loss. Forest responses to heat and drought cause changes in tree physiology that are subsequently integrated at the scale of the ecosystem and beyond.

Dr. Hartmann presented some of his process investigations on tree physiological responses during drought and heat, focusing on the allocation of carbon to tree functional pools. He talked about some of his current research activities that look at interactions between spruce trees and the European bark beetle.

Finally, he underscore the difficulties we have to predict forest responses to future climate at the global scale and explain why a better physiological process understanding of trees and their biotic antagonists is needed to improve such predictions.


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