Accessible Timber Volume, 2010-2019

large piles of logs at different stages of logging in a vast mountain valley.

The Forest Inventory and Analysis (FIA) program of the USDA Forest Service, in collaboration with the Colorado State Forest Service, conducts and continuously updates an inventory across all forested lands in Colorado and Wyoming. Certified, highly trained foresters and research associates survey hundreds of permanent research plots annually, measuring 10 percent of the forested plots each year.

Disturbances in Colorado’s Forests

Insect galleries under the bark of a spruce tree.

The forests in Colorado are subject to many different disturbances. Some of the most common disturbances are insect damage, disease damage and fire damage.