Publication

Projecting the industrial and nonindustrial timber resources of Louisiana with STRIPS

McDill, M. E. and D. Tucker

The Southern Timber Resource Inventory projection System (STRIPS) was modified to break out the loblolly/shortleaf pine forest types in Louisiana by industrial versus other ownerships. The model's overall projection results for the state did not change significantly with this modification. Comparisons of softwood and hardwood area, growth and inventory reveal only minor differences between the original projections and the projections with the modified model. Both models project the total pine inventory to decline by 2.8 billion cu. ft. between 1991 and 2010, with the majority of this decline occurring on non-industrial natural loblolly/shortleaf pine areas. Both versions of the model also project hardwood inventories to remain relatively stable, with slight declines toward the end of the projection. The results show several differences in the projections of industrial and non-industrial loblolly/shortleaf pine ownerships. The area of industrial pine - planted and natural combined - is projected to increase, while the area of pine in other ownerships is projected to decrease. In addition, industrial pine acres are projected to be converted to planted pine at a faster rate than on other ownerships. Finally, the volume-class distribution for industrial pine acres at the end of the projection was substantially more skewed toward smaller volume classes than on the other ownerships.

Fiscal Year: fy98 ·  Problem Area: pa98-1 ·  Theme: cctrgnas ·  Source: extra   <== Explain

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