News tagged with tropical forests

Amazon carbon sink threatened by drought

The Amazon is surprisingly sensitive to drought, according to new research conducted throughout the world's largest tropical forest. The 30-year study, published today in Science, provides the first solid evidence that d ...

Mar 05, 2009
3 / 5 (6) 2

Trees tell of shifting world

(PhysOrg.com) -- Trees from the Harvard Forest to the Amazon rainforest are experiencing changing climactic conditions, with rising temperatures potentially making tropical trees a significant source of carbon dioxide.

May 04, 2010
3.4 / 5 (5) 1

Global tropical forests threatened by 2100

By 2100 only 18% to 45% of the plants and animals making up ecosystems in global, humid tropical forests may remain as we know them today, according to a new study led by Greg Asner at the Carnegie Institution's ...

Aug 05, 2010
4.3 / 5 (4) 2 | with audio podcast

First radio tracking of tropical orchid bees

Blue-green orchid bees zip through increasingly scarce patches of tropical forest pollinating rare flowers. For the first time, researchers at the Smithsonian Tropical Research Institute track unique signals ...

May 26, 2010
5 / 5 (3) 0 | with audio podcast