They will record plant species, forest structure, ash cover, soil properties, river sediment and the overall topography of the burned area.

ECONOMIST: A 30-year plan to study America��s ecology is about to begin

So I decided to look more closely, and after searching and searching the forest floor near infected ash trees, I found something.

BBC: Ash dieback: Chalara fungus 'originated in Asia'

Then it was tundra, then birch forest, then pine forest, then alder, linden, elm and ash, then most recently oak, but beech was coming.

WSJ: Ecology and Change: Nature Has No 'Balance' for Us to Keep | Mind & Matter