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. 2012 Sep 9;6(2):266–278. doi: 10.1111/j.1752-4571.2012.00287.x

Table 3.

Effects of environmental treatment, collection year, and population on root/leaf ratio (g/m²) in introduced Polygonum cespitosum

Experiment	Source of variation

	Environmental Treatment	Year	Population	Treatment × Year	Treatment × Population	Year × Population	Treatment × Year × Population
Light Experiment	0.001***	0.705	0.856	0.039*	0.522	0.711	0.742
r² = 0.643; N = 119	0.001***	0.705	0.856	0.039*	0.522	0.711	0.742
Habitat Experiment	0.001***	0.014*	0.016*	0.149	0.255	0.195	0.642
r² = 0.788; N = 97	0.001***	0.014*	0.016*	0.149	0.255	0.195	0.642
Moisture Experiment	0.001***	0.011*	0.575	0.928	0.896	0.171	0.947
r² = 0.277; N = 108	0.001***	0.011*	0.575	0.928	0.896	0.171	0.947

P-values are shown from full anova (details in Materials and methods). Note that each row represents results of a separate experiment.

Statistical significance is indicated as: †P ≤ 0.10; *P < 0.05; **P < 0.01; ***P < 0.001.