Environmental Factors Shaping the Global Population Density Patterns of Pre-Agricultural Humans (IMAGE)

University of Helsinki

Environmental Factors Shaping the Global Population Density Patterns of Pre-Agricultural Humans

Caption

Blue, red, and gray arrows indicate positive, negative and statistically insignificant effect of a variable. Thickness of an arrow indicate the strength of the effect of a variable. Net primary productivity has also indirect effects on population density mediated by biodiversity and pathogens.

Credit

Miska Luoto

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.