Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are food factories for the tree. Powered by sunlight, the green ...

Large-scale satellite data has shown that while large trees expand their crown during the dry season, small trees drop leaves – possibly due to limited light availability in the shaded understory. A ...

Winter is beautiful in its own pale ways, but when lush, leafy trees suddenly stand bare and stark against gray skies, an ...