m03.    How can the forests, as resources, be sustained? 

Sustainable-earth forestry includes recycling paper, growing timber on long rotations (107 to 207 years), protecting topsoil, practicing strip logging, leave dead-and-down to provide nutrients to the soil and habitats and relying on natural controls to protect forests from disease.

e03.    How do pathogens and insects affect trees?

e11.    What types of old-growth forests are there?

e12.    Where are tropical forests?

e13.    What is biomass?

g05.    How are forests of geological importance?

g17.    Is some matter more useful than other matter?

Ledbetter, C. (2001). Field Ecology.