The Effects of Exurbanization on Bird and Macroinvertebrate Communities in Deciduous Forests on the Cumberland Plateau, Tennessee

Figure 2

Bird species richness in each habitat class measured with rarefaction curves at the scale of habitat class. Rarefaction curves describe how the number of species changes with the number of individuals sampled, thus controlling for both sampling effort and bird density. Thick lines indicate species richness (open points: exurban areas; filled points: undeveloped areas) and thin lines indicate 95% confidence intervals (dashed thin line: exurban areas; solid thin line: undeveloped areas).