. 2020 Jul 4;6(7):e04268. doi: 10.1016/j.heliyon.2020.e04268

Table 8.

%IC₅₀ of the Duckweed (% Area Inhibition and % Chlorophyll Inhibition), algae and Daphnia inhibition of the various wood leachates. Also, shown are the 95% confidence interval and the coefficient of regression.

Types of wood	Duckweed Toxicity
	% Area Inhibition			% Chlorophyll Inhibition
	IC₅₀	95% CI	R²	IC₅₀	95% CI	R²
Mahogany	29.2	27.0–31.5	0.97	25.2	24.3–26.2	0.99
Cedrela	36.1	32.9–39.7	0.96	30.8	27.8–34.2	0.96
Wawa	34.0	31.6–36.7	0.97	34.0	31.6–36.7	0.97
Emire	29.4	28.1–30.7	0.99	28.6	27.7–29.4	0.99
Ceiba	34.1	31.8–36.6	0.97	29.1	25.6–33.1	0.95

	% Algae Inhibition			% Daphnia immobilization

	IC₅₀	95% CI	R²	IC₅₀	95% CI	R²

Mahogany	27.7	25.9–29.7	0.98	21.5	18.5–24.9	0.94
Cedrela	40.5	37.7–43.6	0.97	35.3	31.3–39.9	0.92
Wawa	41.5	37.8–45.6	0.95	55.6	53.3–58.1	0.98
Emire	30.6	28.6–32.8	0.98	29.8	26.7–33.3	0.96
Ceiba	38.6	37.1–40.3	0.99	42.4	37.7–47.6	0.91