The poor man's Geographic Information System: plot expansion factors

Paul C. Van Deusen

Treesearch

The poor man's Geographic Information System: plot expansion factors

Informally Refereed

Authors:

Paul C. Van Deusen

Year:

2007

Type:

Other

Station:

Northern Research Station

Source:

In: McRoberts, Ronald E.; Reams, Gregory A.; Van Deusen, Paul C.; McWilliams, William H., eds. Proceedings of the seventh annual forest inventory and analysis symposium; October 3-6, 2005; Portland, ME. Gen. Tech. Rep. WO-77. Washington, DC: U.S. Department of Agriculture, Forest Service: 227-229.

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Abstract

Plot expansion factors can serve as a crude Geographic Information System for users of Forest Inventory and Analysis (FIA) data. Each FIA plot has an associated expansion factor that is often interpreted as the number of forested acres that the plot represents. The derivation of expansion factors is discussed and it is shown that the mapped plot design requires a different expansion factor than the old periodic plot design.

Parent Publication

Proceedings of the seventh annual forest inventory and analysis symposium

Citation

Van Deusen, Paul C. 2007. The poor man''s Geographic Information System: plot expansion factors. In: McRoberts, Ronald E.; Reams, Gregory A.; Van Deusen, Paul C.; McWilliams, William H., eds. Proceedings of the seventh annual forest inventory and analysis symposium; October 3-6, 2005; Portland, ME. Gen. Tech. Rep. WO-77. Washington, DC: U.S. Department of Agriculture, Forest Service: 227-229.