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Trends in forest growth

CALIFORNIA:

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 40.2

1990 39.4

1980 40.2

1970 42.4

1960 42.5

1950 42.5

1940 48.2

1920 41.6

1900 49.3

1880 50.1

1860 52.5

1840 52.0

1820 52.0

1800 52.0

1780 52.0

1760 52.0

———

FLORIDA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 16.3

1990 16.7

1980 17.0

1970 17.9

1960 19.1

1950 20.8

1940 21.7

1920 20.2

1900 24.2

1880 24.9

1860 25.1

1840 29.5

1820 29.8

1800 29.8

1780 29.8

1760 29.8

———

GEORGIA:

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 24.4

1990 24.2

1980 24.6

1970 24.5

1960 26.4

1950 24.1

1940 21.4

1920 20.6

1900 23.5

1880 25.5

1860 28.9

1840 34.4

1820 35.1

1800 35.4

1780 35.6

1760 35.7

———

KANSAS:

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 1.5

1990 1.4

1980 1.3

1970 1.3

1960 1.4

1950 1.7

1940 2.4

1920 2.2

1900 2.6

1880 2.6

1860 2.6

1840 1.6

1820 1.6

1800 1.6

1780 1.6

1760 1.6

———

KENTUCKY

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 12.7

1990 12.3

1980 12.2

1970 12.0

1960 11.8

1950 11.6

1940 11.5

1920 10.6

1900 12.2

1880 16.8

1860 20.5

1840 22.9

1820 23.0

1800 23.1

1780 23.1

1760 23.1

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MICHIGAN

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 19.3

1990 18.2

1980 18.7

1970 19.3

1960 19.7

1950 19.6

1940 19.1

1920 19.1

1900 16.2

1880 19.1

1860 24.3

1840 32.6

1820 33.1

1800 33.1

1780 33.1

1760 33.1

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MINNESOTA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 16.7

1990 16.6

1980 16.7

1970 19.0

1960 17.4

1950 17.8

1940 19.6

1920 19.3

1900 16.0

1880 18.5

1860 23.2

1840 31.5

1820 31.5

1800 31.5

1780 31.5

1760 31.5

———

MISSISSIPPI

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 18.6

1990 16.7

1980 16.7

1970 16.9

1960 17.1

1950 16.9

1940 16.3

1920 16.5

1900 19.1

1880 22.5

1860 24.7

1840 26.6

1820 26.7

1800 26.7

1780 26.7

1760 26.7

———

MISSOURI

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 14.0

1990 12.5

1980 12.9

1970 14.9

1960 15.3

1950 15.2

1940 16.2

1920 15.6

1900 17.5

1880 17.9

1860 20.3

1840 25.8

1820 26.3

1800 26.4

1780 26.4

1760 26.4

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NEW JERSEY

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 2.1

1990 2.0

1980 1.9

1970 2.5

1960 2.4

1950 2.1

1940 2.2

1920 2.1

1900 2.1

1880 2.2

1860 2.7

1840 4.1

1820 4.2

1800 4.2

1780 4.3

1760 4.3

———

NORTH CAROLINA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 19.3

1990 19.3

1980 19.9

1970 20.6

1960 20.7

1950 20.1

1940 18.4

1920 17.9

1900 20.4

1880 22.6

1860 24.2

1840 28.2

1820 28.4

1800 28.7

1780 29.1

1760 29.4

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OHIO:

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 7.9

1990 7.3

1980 7.0

1970 6.5

1960 6.1

1950 5.5

1940 5.1

1920 4.3

1900 6.7

1880 10.7

1860 16.2

1840 22.1

1820 22.9

1800 23.4

1780 23.5

1760 23.5

———

PENNSYLVANIA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 16.9

1990 17.0

1980 16.8

1970 16.6

1960 16.5

1950 14.8

1940 13.9

1920 12.5

1900 10.3

1880 12.6

1860 16.5

1840 25.4

1820 26.1

1800 26.6

1780 26.9

1760 27.1

———

SOUTH CAROLINA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 12.5

1990 12.3

1980 12.6

1970 12.5

1960 12.3

1950 11.9

1940 10.7

1920 10.3

1900 12.4

1880 13.6

1860 14.4

1840 16.6

1820 16.8

1800 17.0

1780 17.3

1760 17.4

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SOUTH DAKOTA

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 1.6

1990 1.7

1980 1.7

1970 17

1960 1.8

1950 2.2

1940 2.1

1920 1.9

1900 2.2

1880 2.2

1860 2.2

1840 2.5

1820 2.5

1800 2.5

1780 2.5

1760 2.5

———

TEXAS

Millions of acres of forest

Source: U.S. Forest Service

Data before 1880 are estimates

2000 17.1

1990 20.5

1980 23.3

1970 24.1

1960 24.0

1950 24.7

1940 26.9

1920 25.1

1900 32.1

1880 36.7

1860 39.2

1840 42.0

1820 42.0

1800 42.0

1780 42.0

1760 42.0

02-09-05

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(c) 2005, Knight Ridder/Tribune Information Services.

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