Tag: trees

Trees may have a ‘heartbeat’ that is so slow we never noticed it

A high-precision,
three-dimensional survey of 21 different species of trees has revealed
an as-yet unknown cycle of subtle canopy movement during the night. Such
‘sleep cycles’ differed from one species to another. Detection of
anomalies in overnight movement could become a future diagnostic tool to
reveal stress or disease in crops. 

Trees may have a ‘heartbeat’ that is so slow we never noticed it