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Change in Urban/Community Tree Cover by State
|
Year 1 |
Year 2 |
Change between years |
|||||
|---|---|---|---|---|---|---|---|---|
State |
Years |
% |
SE |
% |
SE |
%a |
%/yrb |
Acres/yrc |
Alabama |
(2007-2014) |
51.7 |
1.6 |
49.7 |
1.6 |
-2.0* |
-0.32 |
-12,890 |
Alaska |
(2006-2012) |
48.8 |
2.3 |
48.8 |
2.3 |
0.0 |
0.00 |
0 |
Arizona |
(2008-2014) |
30.8 |
1.5 |
30.2 |
1.5 |
-0.6 |
-0.11 |
-6,190 |
Arkansas |
(2009-2013) |
47.3 |
1.6 |
46.9 |
1.6 |
-0.4 |
-0.08 |
-1,430 |
California |
(2009-2014) |
39.4 |
1.5 |
39.0 |
1.5 |
-0.4 |
-0.08 |
-7,890 |
Colorado |
(2007-2013) |
21.8 |
1.3 |
21.6 |
1.3 |
-0.2 |
-0.03 |
-610 |
Connecticut |
(2008-2014) |
63.0 |
1.5 |
62.7 |
1.5 |
-0.3 |
-0.05 |
-640 |
Delaware |
(2006-2011) |
35.8 |
1.5 |
35.3 |
1.5 |
-0.5 |
-0.10 |
-290 |
District of Columbia |
(2010-2015) |
36.1 |
1.5 |
33.9 |
1.5 |
-2.2* |
-0.44 |
-170 |
Florida |
(2009-2014) |
49.0 |
1.6 |
47.6 |
1.6 |
-1.4* |
-0.26 |
-18,060 |
Georgia |
(2009-2014) |
63.4 |
1.5 |
61.4 |
1.5 |
-2.0* |
-0.40 |
-18,830 |
Hawaii |
(2010-2015) |
50.2 |
1.6 |
50.1 |
1.6 |
-0.1 |
-0.02 |
-150 |
Idaho |
(2008-2014) |
14.2 |
1.1 |
13.8 |
1.1 |
-0.4 |
-0.07 |
-420 |
Illinois |
(2008-2013) |
30.9 |
1.5 |
29.9 |
1.4 |
-1.0* |
-0.20 |
-6,910 |
Indiana |
(2008-2013) |
30.8 |
1.5 |
30.1 |
1.5 |
-0.7* |
-0.13 |
-2,790 |
Iowa |
(2008-2013) |
21.9 |
1.3 |
20.9 |
1.3 |
-1.0* |
-0.20 |
-2,870 |
Kansas |
(2009-2014) |
31.0 |
1.5 |
30.3 |
1.5 |
-0.7* |
-0.13 |
-1,450 |
Kentucky |
(2008-2014) |
39.8 |
1.5 |
38.9 |
1.5 |
-0.9* |
-0.16 |
-2,500 |
Louisiana |
(2009-2014) |
47.6 |
1.6 |
47.3 |
1.6 |
-0.3 |
-0.06 |
-1,330 |
Maine |
(2008-2013) |
68.4 |
1.5 |
68.1 |
1.5 |
-0.3 |
-0.06 |
-510 |
Maryland |
(2009-2014) |
53.4 |
1.6 |
53.1 |
1.6 |
-0.3 |
-0.06 |
-1,020 |
Massachusetts |
(2008-2014) |
59.7 |
1.6 |
58.4 |
1.6 |
-1.3* |
-0.23 |
-4,930 |
Michigan |
(2008-2014) |
46.7 |
1.6 |
45.9 |
1.6 |
-0.8* |
-0.13 |
-3,810 |
Minnesota |
(2009-2014) |
46.7 |
1.6 |
46.7 |
1.6 |
0.0 |
0.00 |
0 |
Mississippi |
(2009-2014) |
52.4 |
1.6 |
52.7 |
1.6 |
0.3 |
0.06 |
1,000 |
Missouri |
(2010-2015) |
40.1 |
1.5 |
39.7 |
1.5 |
-0.4 |
-0.08 |
-1,860 |
Montana |
(2009-2014) |
37.1 |
1.5 |
37.2 |
1.5 |
0.1 |
0.02 |
470 |
Nebraska |
(2009-2014) |
20.4 |
1.3 |
18.8 |
1.2 |
-1.6* |
-0.32 |
-1,800 |
Nevada |
(2009-2014) |
27.0 |
1.4 |
26.8 |
1.4 |
-0.2 |
-0.04 |
-900 |
New Hampshire |
(2009-2015) |
64.4 |
1.5 |
63.0 |
1.5 |
-1.4* |
-0.25 |
-1,650 |
New Jersey |
(2008-2013) |
48.4 |
1.6 |
47.8 |
1.6 |
-0.6* |
-0.12 |
-2,590 |
New Mexico |
(2010-2015) |
21.9 |
1.3 |
22.1 |
1.3 |
0.2 |
0.04 |
790 |
New York |
(2008-2013) |
53.4 |
1.6 |
52.4 |
1.6 |
-1.0* |
-0.19 |
-6,720 |
North Carolina |
(2010-2015) |
54.8 |
1.6 |
54.2 |
1.6 |
-0.6 |
-0.11 |
-4,510 |
North Dakota |
(2009-2013) |
10.7 |
1.0 |
10.1 |
1.0 |
-0.6 |
-0.13 |
-590 |
Ohio |
(2009-2014) |
39.2 |
1.5 |
38.2 |
1.5 |
-1.0* |
-0.20 |
-7,230 |
Oklahoma |
(2009-2014) |
35.6 |
1.5 |
34.0 |
1.5 |
-1.6* |
-0.30 |
-9,710 |
Oregon |
(2008-2014) |
35.6 |
1.5 |
33.9 |
1.5 |
-1.7* |
-0.30 |
-3,450 |
Pennsylvania |
(2007-2013) |
46.8 |
1.6 |
46.2 |
1.6 |
-0.6 |
-0.11 |
-4,320 |
Rhode Island |
(2010-2015) |
54.5 |
1.6 |
52.3 |
1.6 |
-2.2* |
-0.44 |
-1,260 |
South Carolina |
(2009-2014) |
54.8 |
1.6 |
53.6 |
1.6 |
-1.2 |
-0.23 |
-5,190 |
South Dakota |
(2008-2014) |
13.9 |
1.1 |
13.6 |
1.1 |
-0.3 |
-0.05 |
-280 |
Tennessee |
(2008-2013) |
48.4 |
1.6 |
46.9 |
1.6 |
-1.5* |
-0.27 |
-9,060 |
Texas |
(2009-2015) |
28.9 |
1.4 |
28.3 |
1.4 |
-0.6* |
-0.11 |
-10,180 |
Utah |
(2010-2015) |
16.7 |
1.2 |
16.6 |
1.2 |
-0.1 |
-0.02 |
-360 |
Vermont |
(2010-2015) |
57.5 |
1.6 |
56.6 |
1.6 |
-0.9* |
-0.18 |
-370 |
Virginia |
(2009-2014) |
51.5 |
1.6 |
51.0 |
1.6 |
-0.5 |
-0.10 |
-2,970 |
Washington |
(2009-2014) |
42.3 |
1.6 |
41.6 |
1.6 |
-0.7 |
-0.14 |
-3,350 |
West Virginia |
(2008-2014) |
61.9 |
1.5 |
61.3 |
1.5 |
-0.6 |
-0.11 |
-790 |
Wisconsin |
(2009-2014) |
38.8 |
1.5 |
38.3 |
1.5 |
-0.5* |
-0.10 |
-2,340 |
Wyoming |
(2009-2014) |
15.8 |
1.2 |
15.8 |
1.2 |
0.0 |
0.00 |
0 |
Total US |
(2009-2014) |
42.9 |
0.4 |
42.2 |
0.4 |
-0.7* |
-0.12 |
-174,940 |
Footnotes:
a Change in percent tree cover between years.
b Annualized change in percent tree cover between years.
c Annualized change in tree cover (in acres) between years.
* Statistically significant change at alpha = 0.05.
Source:
Nowak, David J.; Greenfield, Eric J. 2018. Declining urban and community tree cover in the United States. Urban Forestry & Urban Greening. 32: 32-55. https://doi.org/10.1016/j.ufug.2018.03.006.
For additional information, please contact David Nowak.
Last Modified: April 18, 2018