Why Do More Species Live Near the Equator?

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Wilson, E.O. “The Diversity of Life” http://eowilsonfoundation.org/the-diversity-of-life/

Eichhorn, Markus P. “Latitudinal gradients.” Natural Systems: The organisation of life: 249-264.

“Tropical Ecology” (textbook) by John Kircher (2011) http://press.princeton.edu/titles/9486.html

Condamine, Fabien L., et al. “What causes latitudinal gradients in species diversity? Evolutionary processes and ecological constraints on swallowtail biodiversity.” Ecology letters 15.3 (2012): 267-277.

Jenkins, Clinton N., Stuart L. Pimm, and Lucas N. Joppa. “Global patterns of terrestrial vertebrate diversity and conservation.” Proceedings of the National Academy of Sciences 110.28 (2013): E2602-E2610.

Mannion, Philip D., et al. “The latitudinal biodiversity gradient through deep time.” Trends in ecology & evolution 29.1 (2014): 42-50.

Mittelbach, Gary G., et al. “Evolution and the latitudinal diversity gradient: speciation, extinction and biogeography.” Ecology letters 10.4 (2007): 315-331.

Wiens, John J., et al. “Evolutionary and ecological causes of the latitudinal diversity gradient in hylid frogs: treefrog trees unearth the roots of high tropical diversity.” The American Naturalist 168.5 (2006): 579-596.

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