Drivers of geographical patterns of North American language diversity

Proceedings of the Royal Society • Vol/Iss. 286(1899) • The Royal Society • • Published In • Pages: 1-9 •
By Cuelho, Mario Tulio Pacheco, Pereira, Eliza Barreto, Haynie, Hannah J., Rangel, Thaigo F., Kavanagh, Patrick, Kirby, Kathryn R. , Greenhill, Simon J. , Bowern, Claire, Gray, Russell D. , Colwell, Robert K., Evans, Nicholas, Gavin, Michael C.

Hypothesis

River density, ecoregion richness, topographic complexity, climate change velocity, precipitation constancy, and temperature constancy all help explain variation in population density.

Test

Test NameSupportSignificanceCoefficientTail
UNKNOWNSupportedUNKNOWNR^2=0.84UNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Population DensityDependentPopulation
Ecoregion richnessIndependentNONE
River densityIndependentTopography And Geology
Topographic complexityIndependentTopography And Geology
Climate change velocityIndependentClimate
Precipitation constancyIndependentClimate
temperature constancyIndependentClimate