The Heinz Center's State of the Nation's Ecosystems
ecosystem: Forests
indicator Name: Forest Disturbance: Historic Wildfire Acreage (Forests and Grasslands/Shrublands)
page # in printed report: 127
location on page: lower
data source: USDA Forest Service, National Forest System (fire); note that these data are not limited to national forests. Coverage: all 50 states
notes: please see technical notes for further details on accessing these data from their original source; this data table comes from a specific graphic in The State of the Nation's Ecosystems report (www.heinzctr.org/ecosystems)

units: million acres
1916 12.7
1917 18.7
1918 10.8
1919 8.3
1920 6.1
1921 8.3
1922 11.5
1923 26.1
1924 28.8
1925 26.5
1926 24.3
1927 38.5
1928 43.5
1929 46.2
1930 52.3
1931 51.6
1932 42.1
1933 43.9
1934 41.8
1935 30.3
1936 43.2
1937 22
1938 33.8
1939 30.4
1940 25.8
1941 26.4
1942 31.9
1943 32.3
1944 16.7
1945 17.8
1946 21.6
1947 24.6
1948 16.6
1949 15.4
1950 17.6
1951 11
1952 14.2
1953 10.4
1954 9.9
1955 8.1
1956 7
1957 8.1
1958 3.6
1959 4.2
1960 4.5
1961 3
1962 4.1
1963 7.1
1964 4.2
1965 2.7
1966 4.6
1967 4.7
1968 4.2
1969 6.7
1970 3.3
1971 4.3
1972 2.6
1973 1.9
1974 2.9
1975 1.8
1976 5.1
1977 3.2
1978 3.9
1979 3
1980 5.3

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