Trees’ growth keeps climbing with age

Oldest specimens pack on weight fastest, making them potentially best carbon collectors

By Meghan Rosen, 12:23 PM January 15, 2014

As trees grow older and bigger, they bulk up faster and faster, researchers report January 15 in Nature.

The findings revise scientists’ understanding of big trees’ role in stockpiling carbon drawn from the air.

“This will come as a surprise for many people,” says forest ecologist Maurizio Mencuccini of the University of Edinburgh. “The basic perception is that trees are less capable of growing as they age.”

For years, many scientists believed that trees’ growth was quick in the beginning and ta...

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