The “21-inch rule” protects trees that are 21 inches in diameter or larger at breast height on six national forests east of the Cascade Mountains crest in Oregon and Washington. It was implemented in ...

To achieve this, researchers set up two experimental plots of Cryptomeria japonica trees, commonly known as the Japanese cedar, in November 2017 in the experimental forests operated by the Forestry ...

Even-aged forest management is geared towards timber production with ecosystem health as a lesser consideration. This creates a dichotomy where forests are treated either as plantations or reserves.