From the January 2004 Scientific American Magazine | 0 comments

Spring Forward ( Preview )

As temperatures rise sooner in spring, interdependent species in many ecosystems are shifting dangerously out of sync

By Daniel Grossman

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January
2004 Issue
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Growing up in England in the 1950s, Alastair Fitter spent a lot of time wandering with his father through the countryside near their home.

The elder Fitter, Richard, now 90, is a noted naturalist (who has written almost three dozen books on flowers, birds and related topics). As a hobby, Richard jotted down the first flowering date of hundreds of plant species, the spring arrival time of scores of birds, the late-summer departure dates of butterflies, and other signs of the passing seasons. Richard, who insists that he is simply "an inveterate list maker," never thought the records would serve any scientific purpose: "When I was 10, I read I should be keeping notes."

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