Table 5.4—Opportunities for increasing timber supplies in the South that will yield 10 percent' or more by ownership, forest management type, 
and treatment opportunity—Continued 
All ownerships Forest industry Other private National forest Other public 
Net Net Net Net Net 
Cost annual Cost annual Cost annual Cost annual Cost annual 
Forest type of growth of growth of growth of growth of growth 
and treatment treat- incre- treat- incre- treat- incre- treat- incre- treat- incre- 
opportunity Area ment ment Area ment ment Area ment ment Area ment ment Area ment ment 
Million Million Million Million Million Million Million Million Million Million Million Million Million Million Million 
acres dollars cubic ft acres dollars cubic ft acres dollars cubic ft acres dollars cubic ft acres dollars cubic ft 
Bottomland hardwood 
stands 
Regenerate with 
site preparation? 
Regenerate without 0.27 — 5:5. 0:07 — 1.4 0.17 o 3.4 0.03 
— 0.7 
site preparation” 
Convert stand to 0.44 19.7 12.3. 0.09 3.9 2.4 0.33 14.6 92 — 0.2 0.1 0.02 1.1 0.6 
referred species* 
Precommercial thin — 0.2 0.1 0.2 0.1 _ 
seedlings and saplings? 
Commercial thin 0.09 3.2 1.4 0.02 0.8 0.4 0.06 233 100 — — i — 0.2 0.1 
poletimber stands® 
Stocking control, 1.22 57:5 21.5 0.26 12.9 4.5 0.87 40.4 15.4 0.02 lal 0.4 0.07 3.1 1.1 
clean, or release’ 
Clearcut mature 2.91 13543 75.5 0.78 36.4 20.3 1.94 89.8 50.2 0.08 3.9 1.9 0.11 del 3.0 
stands and replant® 
Salvage harvest 0.96 49.4 24.1 0.20 10.4 5.0 0.64 33.1 16.1 0.01 0.5 0.3 0.11 585) Di} 
and regenerate” 
All treatments earning: 
10 percent or more 5.90 265.4 140.4 1.42 64.4 34.1 4.02 180.3 95.5 0.12 Sal 2.6 0.34 15.0 8 
less than 10 percent 11.06 2.10 8.13 0.12 0.70 
tv 
' Yields measured in constant dollars, net of inflation or deflation. Economic returns do not include land costs, ad valorem taxes, or income taxes. 
? Nonstocked or cutover sites with competing vegetation and requiring site preparation prior to regeneration. 
* Nonstocked or cutover sites without significant competing vegetation not requiring site preparation for regeneration. 
* Sites stocked with low-quality trees or off-site species requiring conversion to preferred species to improve productivity. 
° Sites densely stocked with seedlings and/or saplings requiring precommercial thinning or similar treatments to reduce stocking and favor potential crop trees. 
® Sites densely stocked with immature but merchantable trees. 
7 Sites adequately stocked with trees, but with inhibiting vegetation. 
* Sites with mature or overmature sawtimber size trees. 
° Sites with merchantable trees excessively damaged by fire, insects, disease, wind, ice, or other destructive agents. 
484 
