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DAYLIGHTING - A practice in which trees shading an access road are removed to increase the sunlight on the roadway and along its periphery. This relatively inexpensive practice maximizes forest edge and cover for wildlife and maintains passable roads year- round.
DIAMETER AT BREAST HEIGHT (DBH) - The diameter of a tree measured in inches at breast height - a standard 4.5 feet above the ground.
DIAMETER-LIMIT CUTTING - A selection method in which all marketable trees above a specified diameter are harvested. Diameter-limit cutting can lead to long-term degradation of the stand.
DIRECT or BROADCAST SEEDING - (a) Sowing seed for broad coverage from the air or on the ground. (b) Seeding of forest stands, roadways, or specified plots for wildlife.
DRUM CHOPPING - A site preparation technique in which logging debris is leveled by a bulldozer pulling a large drum filled with water. Chopped areas are often burned to further reduce debris and control sprouting before seedlings are planted.
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