| Term: | Arctic tree line |
| Definition: |
The northern limit of tree growth; the sinuous boundary between tundra and boreal forest; taken by many to delineate the actual southern boundary of the Arctic Zone. AMSglossary
GCW |
| Term: | Arctic tree line |
| Definition: | The northern limit of tree growth; the sinuous boundary between tundra and boreal forest; taken by many to delineate the actual southern boundary of the Arctic Zone. |