Table 2. Mean stem area examined per plot of the dominant deciduous tree species from large and small patches of deciduous forest. Numbers within parentheses are standard errors. The differences between patch-size groups were examined with t tests. No correction for unequal variance was used because no significant difference in variance was found.
Patch size
|
Betula sp.
|
Populus
tremula
|
Alnus
incana
|
Salix
caprea
|
Large
|
1.05
(0.07)
|
0.74
(0.08)
|
0.54
(0.11)
|
0.40
(0.08)
|
Small
|
0.87
(0.08)
|
0.83
(0.11)
|
0.50
(0.09)
|
0.50
(0.12)
|
t
|
1.54
|
-0.70
|
0.28
|
-0.64
|
P
|
0.13
|
0.49
|
0.78
|
0.53
|