Table 1. Results of Wilcoxon/Kruskal–Wallis rank tests of shade treatment on limnetic and benthic chlorophyll a levels (log-transformed) in oviposition containers (site and trial effects are also listed).

	df	Limnetic chlorophyll a		Benthic chlorophyll a
		χ2	P value	χ2	P value
Treatment	2	35.6802	<0.0001a	17.4286	0.0002a
Site	2	4.8837	0.0870	1.2734	0.5290
Trial	1	0.6226	0.4301	—	—

^aSignificant with Bonferroni adjustment.