Table 1.

Summary of field-based observations of mean annual evapotranspiration (ET, mm yr⁻¹) and precipitation (P, mm yr⁻¹) for Neotropical forests including both undisturbed rainforest and plantations. Calculated ET/P for listed studies equals 0.52±0.11.

P (mm yr−1)	ET (mm yr−1)	ET/P	site location	reference
2200	1300	0.59	Tapajos, Brazil	da Rocha et al. (2004)
2089	1124	0.53	Caieiras, Brazil	Malhi et al. (2002)
2892	1481	0.51	Janlappa, Java	Calder et al. (1986)
4620	2172	0.47	La Selva, Costa Rica (old growth)	Loescher et al. (2005)
3156	1318–1509	0.42–0.48	La Selva, Costa Rica (plantation)	Bigelow (2001)
3495	1892	0.54	Costa Rica (1998)	Loescher et al. (2005)
3575	2294	0.64	Costa Rica (1999)	Loescher et al. (2005)
4127	2239	0.54	Costa Rica (2000)	Loescher et al. (2005)