<ref name="Sanders_et_al_2007">{{cite journal |first1=N. J. |last1=Sanders |first2=J.-P. |last2=Lessard |first3=M. C. |last3=Fitzpatrick |first4=R. R. |last4=Dunn |year=2007 |title=Temperature, but not productivity or geometry, predicts elevational diversity gradients in ants across spatial grains |url=https://antcat.org/documents/4646/Sanders_et_al_2007_Global_Ecol_Biogeogr.pdf |journal=Global Ecology and Biogeography |publisher= |volume=16 |issue= |pages=640–649 |doi= }}</ref>