How lovely trees are. The human species grew up in and around them; we have a natural affinity for them. Carl Sagan By combining the tree-ring series of different trees or sections of trees (for ...

The Journal of Symbolic Logic (JSL) was founded in 1936 and it has become the leading research journal in the field. It is issued quarterly. Volume 71, being published during 2006, will consist of ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Water mostly enters a tree through the roots by osmosis and any dissolved ...