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, ...

In a universe of unexplained phenomena, add this: a tree that leans toward the equator no matter where it grows. The Cook pine tilts northward in the southern hemisphere and southward in the northern ...

Whip up several of these easy small evergreen trees as ornaments or as gift toppers! Ever ence I learned that you could make ...