David tracks turtles to reveal what nature has to say to humans

The glossy knob of the head of a spotted turtle peeks out from a vernal pool. Seen from 10 feet away, its tiny eyelid throws a flick of light as it closes.

“Blink,” David Carroll says, with a quietness and adoration he might use to speak to a napping baby. “They can disappear in here so fast, it’s really hard to get your hands on them.”

It has been a rainy May in Warner, N.H., ideal for turtle spotting. Turtle season began a little late this year, April 3, when ice receded in the ponds, and Mr. Carroll saw his first turtle from his snowshoes.

Now that the season is in full swing, he’ll come out almost every day to observe spotted and wood turtles until they go back into hibernation in October.

For more than 30 years, Carroll has followed the same turtle-tracking routine on this 1,000-acre piece of land near his home. He records details of the turtles and their nests. When he finds a new turtle, he’ll pluck it up and file small notches on its shell to mark it.

Despite the large amount of data that Carroll has accumulated, he’s made relatively small contributions to the field of biology. He’s helped graduate students with thesis projects, and he’s given away some records to other biologists. But he hasn’t published any papers of his own.

“I could never do the right kind of number crunching, statistical analysis,” Carroll says.

source : http://www.csmonitor.com/World/Making-a-difference/2011/0801/David-Carroll-tracks-turtles-to-reveal-what-nature-has-to-say-to-humans

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