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Updated: December 19, 2003 - George Racin gracin@fs.fed.us
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Investigate the way the Stand-Damage Model (a Gap model) grows trees each year.
For an example with fixed data for those without Microsoft Excel 2000, click
here.
Tree growth is influenced by temperature during the growing season.
To obtain a map of cumulative degree-days above a 40-degrees F. threshold
for the 48 States, click
here.
For an Excel File example to manipulate growth parameters and grow individual trees,
click here.
Review the documentation to understand
how "optimal growth" is adjusted downward to adjust for
crowding (competition), gypsy moth defoliation, or other ecological factors.
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Send your
comments |
Updated: December 19, 2003 - George Racin gracin@fs.fed.us
|
|