Field tests in the Amazon have for the first time measured daily and seasonal movements of soil moisture through the deep roots of trees. This water management, which enables the plants to maintain photosynthesis during the region's long dry season, significantly affects the area's climate, the new research suggests.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.