Table 2. Number and size of protected areas held by each type of landowner in the nine-county San Francisco Bay Area. The Tukey-Kramer honestly significant differences (HSD) test indicates that landowners not connected by the same letter (A–D) have significantly different mean property sizes.

Landowner
Number of properties
Total area (ha)
Mean property size (ha)
Property size Standard deviation (ha)
Tukey-Kramer HSD levels
Percentage of Bay Area (%)
City
822
21520.0
26.2
94.4
D
1.2
County
106
48717.6
459.6
1642.8
B, C
2.7
Federal
35
78164.1
2233.3
4733.0
A
4.3
Land Trust
306
64921.0
212.2
418.2
B
3.6
Special District
431
117585.4
272.8
859.7
C
6.5
State
190
98439.0
518.1
1811.3
B, C
5.5
University
13
2856.2
219.7
390.1
A, B, C
0.2