• Publications

• Accessing data on Web

• Using Mapmaker application

• Spatial Data Service Center

• Call us with special requests

• Analysis- using FIA data

Data Access and Analysis

Attributes of Interest (40 items to choose from)

• Numbers of Plots• Area of Land

All land, Forest land, Timberland (acres)• Numbers of trees• Volume

All live, Growing-stock , Sawtimber • Net growth• Mortality• Removals• Biomass

This is what will be reported in the cells of the output table

Classification VariablesHeadings for: Page, Row, Column

(currently 86 to choose from)

•All live stocking•County code•Current diameter•Forest type•Growing-stock volume•Major land use•Ownership class •State code•Species•Species group•Stand size•Tree grade

State Map With Counties Colored

Circle retrieval around Pittsburgh

Public Access to FIA Data

• Queries for forest estimates using boundaries other than “county” can be made, BUT the plots are swapped and fuzzed.

CIPSEA

• Data collected by executive federal agencies must be kept confidential if respondents are told so

• Class E felony = 5 years in prison and/or $250,000 fine

• Confidential Information Protection and Statistical Efficiency Act of 2002

• Title V of E’Govt Act of 2002 (PL 107-347)

Random Most Similar Neighbor Swap

etc.etc.

etc.

Policies and Procedures

• Rule of “3”– Within any summary of data there must be 3

different privately owned plots included– Ex. Summary of data by a soil type polygon –

there must be 3 different privately owned plots making up each cell in the table of summary statistics provided

Northeastern FIA Spatial Data Service Center

• Elizabeth LaPoint

• Northeastern Research Station-FIA

• Located at USDA Forest Service Louis C. Wyman Forestry Sciences Laboratory in Durham, New Hampshire

• elapoint@fs.fed.us• Phone (603) 868-7675

Change in Growing-stock Volume on Private Timberland by Unit, 1989-2004

Western

Allegheny

North-central

Northeastern

Pocono

Southeastern

South-central

Southwestern

+5.4%+23.5%

+4.1%

+1.7%

+4.0%

+16.7%

+7.5%+16.8%

State Average +8.0%

Top Three Species on Private Timberland, by Unit, and Percent Increase 1989-2004

Western

Allegheny

North-central

Northeastern

Pocono

Southeastern

South-central

Southwestern

Blk. Cherry +0.8%Red Maple +25.4%N. Red Oak -12.5%

Red Maple +28.5%Blk. Cherry +8.1%N. Red Oak -20.6%

Red Maple +17.2Sugar maple -19.5%Blk. Cherry +9.1%

Red Maple +8.3%Blk. Cherry +7.9%N. Red Oak +8.6%

Chestnut oak +21.7%N. Red Oak +18.7%Other oaks +21.9%

Yellow-poplar +36.4%Other oaks +20.5%N. Red Oak +48%

Red Maple +29.0%Chestnut oak +27.2%White oak +22.1%

Red Maple +18.9%Hemlock +76.2%Sugar maple -22.2%

Rich Widmann

USDA Forest Service

11 Campus Blvd., Suite 200

Newtown Square, PA 19073

Phone 610-557-4051

e-mail rwidmann@fs.fed.us