Appendix D. A summary of repeated-measures split-plot ANOVA for biomass production, with year as the split effect. Biomass samples were taken from five blocks in each of the two sites (n = 80 plots). Bold P values indicate significance.
|
|
Grass |
Litter |
Forbs |
Total |
|||||
|
Source |
df |
F |
P |
F |
P |
F |
P |
F |
P |
|
Site |
1 |
20.7 |
<0.0001 |
4.6 |
0.034 |
0.16 |
0.68 |
25.3 |
<0.0001 |
|
Block |
8 |
1.04 |
0.38 |
0.66 |
0.61 |
0.97 |
0.57 |
0.68 |
0.60 |
|
Treatment |
2 |
0.43 |
0.65 |
0.12 |
0.89 |
0.12 |
0.88 |
0.17 |
0.84 |
|
Season |
1 |
0.59 |
0.56 |
0.32 |
0.57 |
1.06 |
0.30 |
1.03 |
0.31 |
|
Site × Treat |
2 |
0.56 |
0.56 |
0.11 |
0.89 |
0.87 |
0.91 |
0.11 |
0.88 |
|
Site × Season |
1 |
3.43 |
0.07 |
0.58 |
0.44 |
0.46 |
0.49 |
0.58 |
0.44 |
|
Treat × Season |
2 |
0.05 |
0.95 |
0.33 |
0.72 |
0.03 |
0.96 |
0.10 |
0.90 |
|
Site × Treat × Season |
2 |
0.84 |
0.43 |
0.23 |
0.79 |
0.02 |
0.98 |
0.26 |
0.76 |
|
Error 1 |
48 |
|
|
|
|
|
|
|
|
|
Year |
3 |
5.02 |
0.0023 |
10.5 |
<0.0001 |
12.9 |
<0.0001 |
6.6 |
0.0003 |
|
Site × Year |
3 |
2.23 |
0.09 |
2.03 |
0.11 |
0.54 |
0.65 |
5.4 |
0.0014 |
|
Season × Year |
3 |
0.18 |
0.91 |
0.99 |
0.39 |
1.25 |
0.29 |
0.65 |
0.58 |
|
Treat × Year |
6 |
2.63 |
0.01 |
4.04 |
0.0008 |
3.73 |
0.0016 |
5.1 |
<0.0001 |
|
Season × Treat × Year |
6 |
0.39 |
0.88 |
0.87 |
0.51 |
0.73 |
0.62 |
0.76 |
0.59 |
|
Site × Season × Year |
3 |
0.31 |
0.81 |
1.18 |
0.31 |
0.95 |
0.42 |
1.27 |
0.29 |
|
Site × Treat × Year |
6 |
0.85 |
0.52 |
0.48 |
0.82 |
1.66 |
0.13 |
0.73 |
0.62 |
|
Site × Season × Treat × Year |
6 |
1.04 |
0.38 |
0.23 |
0.96 |
0.23 |
0.96 |
0.26 |
0.95 |
|
ERROR |
144 |
|
|
|
|
|
|
|
|
|
TOTAL |
239 |
|
|
|
|
|
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|
|