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    Author(s): Don C. Bragg
    Date: 2017
    Source: In: Kabrick, John M.; Dey, Daniel C.; Knapp, Benjamin O.; Larsen, David R.; Shifley, Stephen R.; Stelzer, Henry E., eds. Proceedings of the 20th Central Hardwood Forest Conference; 2016 March 28-April 1; Columbia, MO. General Technical Report NRS-P-167. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 297-303.
    Publication Series: Paper (invited, offered, keynote)
    Station: Northern Research Station
    PDF: View PDF  (880.0 KB)

    Description

    SITEQUAL is a computerized expert system that uses a number of easily determined soil conditions associated with physical structure, available moisture, available nutrients, and aeration to estimate site index for 14 southern hardwood species. The original program was written in the Basic language by Harrington and Casson (1986) based on the field methods for site evaluation developed by Baker and Broadfoot (1979). Unfortunately, this version of SITEQUAL does not operate as a stand-alone application, but rather requires a compiler that no longer works with modern operating systems. I have reprogrammed SITEQUAL (now version 2.0) in Fortran with a more user-friendly interface and a number of other minor improvements. To demonstrate SITEQUAL2.0's utility, I present two examples of output from bottomland hardwood sites in southeastern Arkansas. Further improvements to SITEQUAL2.0 are being considered, including the development of a graphical user interface and the addition of more species and environmental conditions.

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    Citation

    Bragg, Don C. 2017. SITEQUAL v2.0—a Fortran program to determine bottomland hardwood site quality. In: Kabrick, John M.; Dey, Daniel C.; Knapp, Benjamin O.; Larsen, David R.; Shifley, Stephen R.; Stelzer, Henry E., eds. Proceedings of the 20th Central Hardwood Forest Conference; 2016 March 28-April 1; Columbia, MO. General Technical Report NRS-P-167. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 297-303.

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