Trees of Harvard Yard

- This site is the home for information on the natural history of the trees of Harvard Yard. Includes maps showing the identity and location of all the trees in the Yard, as well as information on characteristics of those trees.

Smith Falls State Park

- A biological relic from the past ice age remains today along the Niobrara River in north-central Nebraska. Elements of Western, Eastern, and Northern forests converge at Smith Falls State Park. At the end of the last ice age, Nebraska was covered by a spruce, aspen, and birch forest, similar to what exists in northern Canada today. When the glaciers retreated and Nebraska warmed, the Northern forest disappeared, except in cool canyons along the Niobrara River. These cool weather trees have survived for thousands of years in this cool sanctuary, but now it is threatened. Paper birches in the park have stopped reproducing and are slowly dying off. The link above will show you an op-ed I wrote in the Lincoln Journal-Star, and also link you to pictures I took from my visit there in the summer of 2005.

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