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Arb Notes: Ephemeral wildflowers

While many of us are away from Carleton for this Spring term, one highlight of any Spring in the arboretum is spotting Spring ephemerals while walking in the woods. True to their name, spring ephemeral wildflowers bloom for a short period of time in the Spring and then fade away.…

Arb Notes: Animals in the wintertime

Minnesota winters can be brutal. This is as true for many of the critters which inhabit the arb as it is for us Carleton students. One of the primary challenges that animals face during the winter is an increased threat of starvation. Cold temperatures necessitate that animals burn more fuel…

Mussel Mass

Darwin noted that “organs of extreme perfection and complication” were one of the chief challenges facing his theory of evolution by natural selection. He acknowledged that it defies common sense to imagine that the human eye – with all of its intricate adaptations – was shaped by the gradual and…

Coarse woody debris

Spring has (officially) sprung in the arb! While enjoying the warm weather and recreating in the arb, many students might notice a lot of logs, branches and other woody debris on the forest floor which accumulated during the winter. While all of this debris is untidy—don’t despair —Coarse Woody Debris…

Trees…move? Let me explain

Trees move. During storms, such as the tornado this past Thursday, ebbing and swaying with the right balance of rigidity and flexibility helps prevent certain tree species from falling to unfortunate deaths. We’re all familiar with this sort of tree movement. But did you know that over long time horizons…