The forest ecosystem is a mosaic of environments, each having a particular set of characteristics and processes that shape the communities of animals and plants that occur there, and circumscribe the opportunities and limitations for land management. In the Cascades of southwestern Washington and northwestern Oregon, environments can be stratified...
This report discusses forests and treats the topic in four parts. The first part describes the life of an individual tree, and the second describes individual trees as parts of a forest. The third and fourth parts discuss forests as communities of trees and methods for preventing destruction of forests.