A 20-year study of aspen tree growth has revealed some alarming results. The critical tree species is remarkably adaptable when mature, but the same is not true for younger aspens. As the climate ...

After wildfires burn through forests, there are often efforts to re-plant trees in affected areas. But new research offers ...

However, aspen also has the ability to send up new young shoots, or suckers, off the root system of an established tree, sometimes up to 30 metres away, if the tree is large.

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Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...