ewtree datasets

Tree-level datasets custom-developed by FIA analysts for the Assessment describing over 20 attributes measured on over a million and a quarter individual trees across the Southern United States, with trees at many locations measured over two survey periods.

Downloads:

All States and Survey Years

metadata

definitions (EW manual)
data format

Datasets as comma-separated variable text files (CSV)

AL 1990 19.7MB
AR 1995 16.6MB
FL 1987 11.8MB
FL 1995 14.2MB
GA 1989 18.8MB
GA 1997 36.6MB
MS 1994 16.6MB

NC 1984 11.7MB
OK 1993 4.1MB
SC 1986 13.1MB
SC 1993 13.2MB
TN 1989 11.3MB
TN 1999 19.8MB
VA 1985 13.0MB
VA 1992 13.5MB

CSV datasets in Zip archives for faster download

AL 1990 2.4MB
AR 1995 2.4MB
FL 1987 2.1MB
FL 1995 2.4MB
GA 1989 3.5MB
GA 1997 5.4MB
MS 1994 2.3MB

NC 1984 2.0MB
OK 1993 0.5MB
SC 1986 2.6MB
SC 1993 2.7MB
TN 1989 1.7MB
TN 1999 2.5MB
VA 1985 2.4MB
VA 1992 2.5MB

all of the CSV datasets plus the data format in a Zip archive 40MB

Metadata:

See documentation above or the Southern Research Station's Forest Inventory and Analysis Research Unit, as well as the Assessment planning document Toward Assembling FIA Data Items for the Assessment.

Assessment Home | Report

webmaster: John M. Pye

created: 25-Sep-2003
modified: 01-Jun-2009