1. General Model Information

Name: Northeast Decision Model


Main medium: terrestrial
Main subject: forestry, biogeochemistry
Organization level: landscape
Type of model: static-algebraic equations, not specified
Main application:
Keywords: forest, silviculture, management, vegetation composition, wildlife habitat conditions, Northeastern United States, decision support system, silvicultural prescriptions, multiple benefits


Mark Twery
Northeastern Forest Ecosystems- NE-4454
Northeastern Research Station
George D. Aiken Forestry Sciences Laboratory
705 Spear St., P.O. Box 986
Burlington, VT 05402-0968

Phone: (802) 951-6771 ext. 1040
Fax: (802) 951-6368
email: mtwery@fs.fed.us
Homepage: Mark J. Twery: http://www.fs.fed.us/ne/burlington/research/ne4454/mtwery.htm



Current Information see: NED Project , Northeastern Research Station NE-4454: "Integrating the Ecological and Social Dimensions of Forest Ecosystem Management"

The Northeast Decision Model is a decision support system that contains a combination of knowledge-based modules, expert systems and simulation components. The model is designed to examine potentially conflicting strategies of forest silviculture strategies.

The model requires the user to provide information on the goals of silviculture treatments, an inventory of trees under the potential prescription and terrain data. The model evaluates the management strategies and provides the user with a prediction of the vegetation composition and structures likely under each strategy. Other output includes wildlife habitat conditions. The model is generally run over a 50 year period and examines silviculture options at the watershed scale.

Author of the abstract:


II. Technical Information

II.1 Executables:

Operating System(s): MS Windows or X-Windows on UNIX

II.2 Source-code:

Programming Language(s): C++

II.3 Manuals:

II.4 Data:

III. Mathematical Information

III.1 Mathematics

III.2 Quantities

III.2.1 Input

III.2.2 Output

IV. References

Twery, M.J. 1994. Meeting Tomorrow's Challenges in Silvicultural Prescriptions: The Northeast Decision Model. In Proceedings: 1993 SAF National Convention, Indianapolis, IN, 7-10 November, 1993. Bethesda, MD: Society of American Foresters. pp. 222-226
Twery, Mark J.: Stout, Susan L.; Loftis, David L. 1998. Using desired future conditions to integrate multiple resource prescriptions: The Northeast Decision Model. In: El-Swaify, S.A., Yakowitz, D.S., eds. Multiple objective decision making for land, water and environmental management: Proceedings of the first international conference on multiple objective decision support systems for land, water and environmental management: concepts , approaches and applications. 1996 September; Honolulu, HI. Boca Raton, FL: World Association of Soil and Water Conservation; 197-203.

V. Further information in the World-Wide-Web

VI. Additional remarks

This model is allows evaluation of management options and analysis ofgoals which may change under various climate scenarios.

Last review of this document by: John A. Borkowski: 04.04. 2003
Status of the document:
last modified by Tobias Gabele Sat Apr 5 16:59:35 CEST 2003

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