Source: https://www.researchgate.net/profile/Brian-Fisher-2/publication/262918109_Fisher_BL_Ant_diversity_patterns_along_an_elevational_gradient_in_the_Reserve_Speciale_de_Manongarivo_Madagascar_Boissiera/links/0deec539dfdd19825c000000/Fisher-BL-Ant-diversity-patterns-along-an-elevational-gradient-in-the-Reserve-Speciale-de-Manongarivo-Madagascar-Boissiera.pdf