Appendix A (Table A1). Results of complete randomized split-plot ANOVA for the effect of grazing intensity (G), barrier to belowground competition (B), and distance to neighbor (D) on different biomass compartments of Poa ligularis and Bromus pictus.
Total plant biomass |
Shoot biomass |
Root biomass |
Panicle biomass |
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Source of Variation |
df |
F |
P |
F |
P |
F |
P |
F |
P |
Poa ligularis |
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Main plot |
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Grazing (G) |
2 |
4.08 |
0.07 |
6.02 |
0.0368 |
0.98 |
0.42 |
6.48 |
0.0317 |
Main plot error |
6 |
MS = 0.3934 |
MS = 0.0543 |
MS = 0.0257 |
MS = 0.0066 |
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Subplot |
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Barrier (B) |
1 |
12.59 |
0.0023 |
7.42 |
0.0139 |
53.22 |
<0.0001 |
2.94 |
0.10 |
Distance(D) |
1 |
3.21 |
0.09 |
4.40 |
0.05 |
0.28 |
0.60 |
0.00 |
0.99 |
B × D |
1 |
7.41 |
0.0140 |
3.56 |
0.07 |
4.30 |
0.05 |
0.12 |
0.73 |
G × B |
2 |
11.41 |
0.0006 |
8.90 |
0.0021 |
13.44 |
0.0003 |
4.32 |
0.0294 |
G × D |
2 |
5.49 |
0.0138 |
6.58 |
0.0071 |
0.58 |
0.57 |
1.02 |
0.38 |
G × D × B |
2 |
2.25 |
0.13 |
0.99 |
0.39 |
2.52 |
0.10 |
0.06 |
0.94 |
Subplot error |
18 |
MS = 0.0883 |
MS = 0.0202 |
MS = 0.0036 |
MS = 0.0059 |
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Bromus pictus |
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Main plot |
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Grazing (G) |
2 |
4.58 |
0.06 |
8.38 |
0.0183 |
1.61 |
0.27 |
61.23 |
0.0001 |
Main plot error |
6 |
MS = 0.1422 |
MS = 0.0213 |
MS = 0.0153 |
MS = 0.0015 |
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Subplot |
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Barrier (B) |
1 |
6.17 |
0.0231 |
0.09 |
0.77 |
45.35 |
<0.0001 |
1.18 |
0.29 |
Distance(D) |
1 |
10.50 |
0.0045 |
12.82 |
0.0021 |
0.88 |
0.36 |
0.01 |
0.90 |
B × D |
1 |
1.15 |
0.29 |
0.32 |
0.57 |
7.05 |
0.0161 |
0.42 |
0.52 |
G × B |
2 |
1.39 |
0.27 |
0.68 |
0.51 |
0.86 |
0.44 |
2.55 |
0.10 |
G × D |
2 |
2.04 |
0.15 |
2.76 |
0.08 |
0.42 |
0.66 |
0.05 |
0.94 |
G × D × B |
2 |
0.66 |
0.53 |
0.77 |
0.47 |
0.03 |
0.96 |
0.65 |
0.53 |
Subplot error |
18 |
MS = 0.0356 |
MS = 0.0132 |
MS = 0.004 |
MS = 0.0040 |
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