Photos

Smithsonian Tropical Research Institute

Marco Guerra, Smithsonian Tropical Research Institute, August 2005

Plot workers use a ladder to measure the diameter of a tropical tree above the butress roots in the Smithsonian's “Tropical Forest Observatory” on Barro Colorado Island, Panama. This large area of forest has been monitored since 1985 in an effort to understand biological diversity and global change.

Photos for News Media Use Only


DCSIMG