Table 4. Parameters of thermal performance curves for maximum swimming speed in four treatments, for Hyla versicolor, estimated with TMV method (Izem and Kingsolver, 2005) and nlinfit/nlparci functions in Matlab (Mathworks, 2009).

Treatment	TMV parameters						nlinfit/nlparci
	h¥	Topt	w	zmax 1	zmax 2	B95	h±SE	Topt±SE	w±SE
Control	0.12	31.05	1.74	1.07	11.65	18.36	0.12±0.10	31.07±0.76	1.73±0.19
Predator	−0.01	32.52	1.47	1.11	12.96	14.29	−0.01±0.09	32.53±0.52	1.47±0.13
Roundup	0.00	30.70	1.52	1.09	12.27	14.97	0.00±0.09	30.71±0.65	1.52±0.14
Predator + Roundup	−0.11	31.58	1.34	1.12	13.13	12.35	−0.11±0.09	31.58±0.51	1.33±0.11

h^¥, height (log TTL/s); T_opt, optimal temperature (°C); w, width (dimensionless); z_max 1 (TPC), maximum performance (log TTL/s); z_max 2 (TTL/s), maximum performance (TTL/s); B₉₅, thermal performance breadth (°C).