Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

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 ...

These results suggest that most tree photosynthesis occurred when leaf temperatures were about 21 °C, irrespective of latitude and average growing-season temperatures. The δ 18 O in a tree ring ...

Climate warming is linked to a widening interval between leaf unfolding and flowering in European trees, with implications for tree fitness and the wider environment, according to new research. An ...