This is a preview. Log in through your library . Abstract Four types of pattern in the structure of ponderosa pine forests of central Oregon can be recognized: (1) differences in relative density, ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. In the biology of pine trees, the cone is actually not the seed at all, but a ...

Michigan’s state tree is the proud Eastern white pine, but the national champion is elsewhere. Maine, also known as the “Pine Tree State,” is home to the titleholder. The Great Lakes State could have ...