A forest with roughly equal areas of even-aged timber in each age class, so that equal harvests could continue in perpetuity every year (or every two years, five years, etc., depending on the spacing of age classes).
REGULATED FOREST

A forest with roughly equal areas of even-aged timber in each age class, so that equal harvests could continue in perpetuity every year (or every two years, five years, etc., depending on the spacing of age classes).