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Table 4 Change in mean shade tolerance between older and newer FIA surveys, adjusted for comparison, and information from generalized linear mixed models

From: Recent shifts in shade tolerance and disturbance traits in forests of the eastern United States

Region

Old

New

Change

Ratio

P

F

Den DF

Central eastern

2.92

2.97

0.05

1.02

< .0001

16.6

158

Northern Southeast

2.19

2.25

0.05

1.02

0.0493

4.03

58

Coastal Plain

2.18

2.26

0.08

1.04

< .0001

54.7

54