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Pacific Southwest Research Station
800 Buchanan Street
Albany, CA 94710-0011
Research Topics Forest Management
About this Research:
SYSTUM - 1
SYSTUM-1 is a prototype simulator designed to simulate growth of young plantations in northern California and southern Oregon (Ritchie and Powers 1993-1.4MB). This is the result of a cooperative effort to produce a simulator geared towards young stand forecasts and the particular problems presented in simulating systems with both trees and shrubs. Data for parameter estimation were provided by private landowners, as well as the Forest Service and Bureau of Land Management.
Current Version Number:2.14 Download Now (281 K)
Requirements: This is a legacy program which operates under DOS. User's must open a DOS window to operate. The software is no longer being updated.
Changes from Version 2.02 to Version 2.14:Version 2.14 has an option to output 3 different FVS-type files: WESSIN, SORNEC, and Klamath. The only differences between these three different files is in the species conversions. The actual format of the file is the same regardless of the variant of FVS.
The read format for these files is:
A companion file is also written out with the FVS treelist file. This companion file is a FVS keyword file and it contains the basic keywords necessary for a FVS run. It is likely that the user will need to modify this file for an actual run with the user's specification. I recommend that users specify the file name with an extension of .KEY.
We have also modified the default SDI maximum for ponderosa pine to 365.
SYSTUM-1 DLL Download DLL Now
ContactMartin W. Ritchie
|Last Modified: Aug 29, 2016 11:03:03 AM|