Boca del Chajul Los Tuxtlas (howlers present) Los Tuxtlas (howlers absent) Centro Cientifico de Rio Palenque (May 1975) Vicente Guerrero (PE) Los Tuxtlas (forest fragments) San Fernando (tropical deciduous forest) San Fernando (pasture with Acacia shrubs) The Ecological Register
Onthophagus crinitus (scarab beetle): 8 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.