USDA Forest Service
  

Forest Inventory and Analysis National Program


 

Forest Inventory & Analysis
National Office
U.S. Forest Service
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United States Department of Agriculture Forest Service.

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All Live Merchantable Tree Biomass on Timberland, 2007

Description

This map shows the spatial distribution of all live merchantable tree biomass in 2007, in million tons by county. There is roughly 18.25 billion tons (36.5 trillion pounds) of live merchantable tree biomass in the United States.


Use this map only to identify broad spatial trends. At the time of assessment, data were not available for interior Alaska, the Pacific Basin, Puerto Rico, U.S. Virgin Islands, and a small number of counties in the lower 48 states.

 

Sources:

USDA Forest Service, 2007 RPA data, available at: http://www.fia.fs.fed.us/tools-data/

Distributor:

USDA Forest Service, Forest Inventory and Analysis.

Layers:

USDA Forest Service, 2007 RPA data and the National Atlas of the United States.

Definitions:


Merchantable biomass is defined as the total ovendry, gross biomass (including bark) of a tree 5.0 inches DBH or larger from a 1-foot stump to a minimum 4-inch top DOB of the central stem.


 

Map 577 kb PDF

High resolution zipped
files for download:
Map 1348 kb- PDF
Map 2,825 kb - JPG

USDA Forest Service
Last Modified: March 31, 2009


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