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Leuschner harvest schedule yield data
Description
These data are used to present and study forest regulation using mathematical programming and R.
Usage
data(leuschner)Format
A data frame with 48 observations on the following 4 variables.
- stand
index variable identifying the type of forested area
- period
cutting period of the forest harvest schedule
- age
at harvest at cutting period midpoint of planning period
- vol
the stand volume at age, in thousands of cubic feet per acre
Details
This table contains example yields for an 84,000 acre (33993.93 ha) Douglas-fir forest. The yields span over six (6) planning periods and eight (8) age classes from age 25 to 95 years of age.
Source
The data were originally published in Leuschner (1990).
References
Leuschner, William A. 1990. Forest Regulation, Harvest Scheduling, and Planning Techniques. John Wiley and Sons, Inc.
Robinson, A.P., and J.D. Hamann. 2010. Forest Analytics with R: an Introduction. Springer.
Examples
data(leuschner)
print( leuschner )