Virginia's Seventh Forest Survey (2001)
Forest Area
| Forest Area (acres) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| All forest [1] | 16,026,900 | 15,846,300 | -180,600 |
| Timberland | 15,447,500 | 15,293,000 | -154,500 |
| Reserved | 531,980 | 536,600 | 4,620 |
Forest Ownership
| Ownership (acres) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Private individual | 10,360,000 | 10,109,200 | -250,800 |
| Public | 1,983,300 | 2,175,000 | 191,714 |
| Forest industry | 1,537,400 | 1,041,900 | -495,500 |
| Other corporate | 1,549,500 | 1,966,900 | 417,400 |
Stocking
| Stocking [2] (million cubic feet) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Hardwood | 21,889 | 22,981 | 1,092 |
| Softwood | 6,723 | 6,867 | 144 |
| All species | 28,612 | 29,848 | 1,236 |
Annual Net Growth
| Annual Net Growth [3] (million cubic feet) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Hardwood | 546 | 641 | 95 |
| Softwood [4] | 318 | 311 | -7 |
| All species | 864 | 952 | 88 |
Annual Mortality
| Annual Mortality [5] (million cubic feet) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Hardwood | 169 | 207 | 38 |
| Softwood | 59 | 116 | 57 |
| All species | 228 | 323 | 95 |
Annual Removals
| Annual Removals [6] (million cubic feet) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Hardwood | 372 | 389 | 17 |
| Softwood | 255 | 292 | 37 |
| All species | 627 | 681 | 54 |
Growth/Removal Ratios
| Growth/Removal Ratios [7] | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Hardwood | 1.47 | 1.65 | |
| Softwood | 1.25 | 1.07 | |
| All species | 1.38 | 1.40 |
Forest Types
| Forest Types [8] (acres) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Oak-hickory | 9,518,571 | 9,319,600 | -198,971 |
| Oak-pine | 1,941,200 | 1,918,300 | -22,900 |
| Bottomland hardwoods | 635,000 | 646,200 | 11,200 |
| Natural pine | 1,880,400 | 1,548,700 | -331,700 |
| Pine plantations | 1,472,300 | 1,838,500 | 366,200 |
Annual Disturbances
| Annual Disturbances 9 (acres) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Final harvest | 186,158 | 156,400 | -29,758 |
| Partial harvest | 44,630 | 113,400 | 68,770 |
| Commercial thinning | 21,660 | 29,300 | 7,640 |
| Fire | n/a | 12,600 | |
| Weather | n/a | 125,700 | |
| Insects & Disease | n/a | 65,700 |
Annual Regeneration
| Annual Regeneration 10 (acres) | 1992 Estimate | 2001 Estimate | Chg |
|---|---|---|---|
| Natural regeneration | 97,000 | 103,500 | 6,500 |
| Artificial regeneration | 77,700 | 65,800 | -11,900 |
Footnotes
[1] Includes 16,700 acres of unproductive woodland not included in timberland or reserved forest.
[2] Merchantable volume of all live trees > 5.0 inches diameter at breast height on timberland.
[3] Average annual growth, net of mortality, of merchantable volume of all live trees > 5.0 inches diameter at breast height on timberland.
[4] Softwood species include all conifer species such as pines, spruce, fir, hemlock, cypress and cedars.
[5] Average annual mortality of merchantable volume of all live trees > 5.0 inches diameter at breast height on timberland.
[6] Average annual removals of merchantable volume from all live trees > 5.0 inches diameter at breast height on timberland.
[7] Ratio of average annual net growth to average annual removals of all live trees > 5.0 inches diameter at breast height on timberland.
[9] Average annual rates , on timberland. Some acres experience more than one type of disturbance.
[10] Average annual rates, on timberland.
Last modified 2007-07-12