forest inventory and analysis southern research station usda forest service forest inventory and...

Forest Inventory and Analysis

Southern Research Station

USDA Forest Service

Forest Inventory and AnalysisKentucky — 2004

1949, 1963, 1975, 1988, 2004

The current goal is to update the FIA data approximately every 12-18 months.

FIA will no longer collect periodic inventories 12-15 years apart.

All data are statistical estimates and have associated sampling errors that are available separately.

Forest Inventories in Kentucky

State Wide Statistics, Kentucky 2004

Nonforest

Hardwood

Pine

Mixed Hardwood & Pine

Land Area by Land Class, Kentucky

20041988

25.4 million acre land base

Trends in Area of Timberland,Kentucky

0

2

4

6

8

10

12

14

Milli

on

acr

es

.

1949 1963 1975 1988 2004

Year

11.4 11.7 11.9 12.311.6

Area of Timberland by Forest Type Group, Kentucky

Oak-hickorySoftwood Oak-pine

Oak-gum-cypress & Elm-ash-cottonwoodMaple-beech-birch & Aspen-birch

1988 2004

Nonstocked

Trends in Area of Planted Stands by Forest Type, Kentucky

1.0% of timberland area

0.7% of timberland area

Area of Timberland by OwnershipClass, Kentucky

11.6 million acres

20041988

12.3 million acres

Area of Timberland by Other Private Ownership Class and Forest Tract Size Class, Kentucky 2004

Area of Timberland by Stand Size Class, Kentucky

Stand Age Structure on Timberland, Kentucky, 2004

Trends in Volume of Growing Stock Trees on Timberland, Kentucky

7.79.3

13.516.0

18.2

NOTE: The 1949 and 1963 estimates were adjusted in 1975. The 1975 estimate was adjusted in 1988.

Trends in Volume of Growing Stock Trees on Timberland by Diameter Class, Kentucky

Trends in Volume of Sawtimber Trees on Timberland, Kentucky

NOTE: The 1949 and 1963 estimates were adjusted in 1975. The 1975 estimate was adjusted in 1988.

Hardwood Sawtimber Volume on Timberland by Tree Grade, Kentucky

20041988

Average Annual Gross Growth and Mortality of Growing Stock Trees, Kentucky

Average Annual Net Growth and Removals of Growing Stock Trees, Kentucky

0

100

200

300

400

500

600

700

1950-1963 1964-1975 1976-1988 1989-2003

Net GrowthRemovals

2.9 2.6 2.1 1.5Growth/Removal Ratio

Average Annual Gross Growth, Mortality, and Removals of All Live vs Growing Stock Trees, Kentucky 1989-2003

Average Annual Gross Growth, Removals, and Mortality of Sawtimber Trees, Kentucky

Growth and Removals vs Total Volume of Growing Stock Trees on Timberland, Kentucky

13.5

16.0

18.2

0.39 0.38 0.470.15 0.18 0.31

Annual Removal Volume of Growing Stock Trees by Owner Class, Kentucky 1989-2003

Annual Removal Volume of Growing Stock Trees by Current Land Use, Kentucky 1989-2003

Tree volume removed annually that was on timberland in 1988, but has since been converted to a nonforest land use.

Tree volume removed annually since 1988 and land use is still in timberland.

Number of Growing Stock Trees on Timberland by Diameter Class, Kentucky

Percent Change in Number of Growing Stock Trees on Timberland by Diameter Class 1988-2004, Kentucky

Number of All Live Trees on Timberland by Diameter Class, Kentucky

Percent Change in Number of All Live Trees on Timberland by Diameter Class 1988-2004, Kentucky

Area of Timberland, Kentucky

1988 Timberland “bucket” was

12.3 million acres

2004 Timberland “bucket” was

11.6 million acres

Volume of Growing Stock Trees on Timberland, Kentucky

1988 Growing stock volume

was 11.5 billion cubic feet

2004 Growing stock volume was

18.2 billion cubic feet

Average Annual Net Growth of Growing Stock Trees on Timberland, Kentucky

1988 Annual net growth was 384

million cubic feet

2004 Annual net growth was 469

million cubic feet

Average Annual Removals of Growing Stock Trees on Timberland, Kentucky

1988

Removals were 181 million cubic

feet

2004 Removals were 312 million

cubic feet

Summary, Kentucky 2004

• 6% loss in forestland

• Gain in large size trees• Increase in overall tree volume• Slight gain in tree grade quality

• Growth and removal rates both increased with growth still outpacing removals

Jeff Turner: jturner02@fs.fed.us Phone (865) 862-2053

Ray Sheffield: rsheffield@fs.fed.us Phone (828) 257-4358

Southern FIA web site http://srsfia2.fs.fed.us

National FIA web site http://fia.fs.fed.us

US Forest Service Contacts

Thank you Kentucky field crew!