Terry Root

Non Forest Service

Dr. Root holding a turtle

My favorite science experience was in 1995 when I was at a meeting. A person speaking before me put up a graph that looked just like one of mine — with years on the x-axis and day-of-arrival on the y-axis. The plot showed the tree was blooming earlier in the spring. My graph was for birds arriving earlier in the spring on migration. The other person’s study was in Europe and mine was in the US. Could it be that global warming was causing different types of species in different parts of the globe to change in similar manners? The answer was yes.

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