Appendix F. Summary of ANCOVAs testing for effects of variables on flower and fruit capsule number.
Flower number (ln) |
Fruit capsule number (ln) |
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Source of variation |
df |
F |
P |
df |
F |
P |
Seep (random) |
>0.9† |
> 0.9† |
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Plot nested in seep (random) |
>0.9† |
>0.9† |
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Treatment (moss vs. moss removed) |
1 |
1.12 |
0.3 |
1 |
1.15 |
0.3 |
Habitat (wet vs. dry) |
1 |
2.98 |
0.09 |
1 |
10.5 |
0.001 |
Early-season soil moisture (% saturation) |
1 |
10.6 |
0.001 |
0.1† |
||
Ca/ Mg (ppm) |
1 |
15.0 |
0.0002 |
1 |
19.4 |
<0.0001 |
ln community biomass (g) |
1 |
2.96 |
0.09 |
0.2† |
||
Interactions with treatment |
>0.3† |
>0.2† |
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Error |
182 |
184 |
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† Nonsignificant and not retained in reduced model (note: treatment was always retained in model).