Fig. 2

Normalized time series of rodent abundance, temperature, precipitation, and GDP of each location. A Annual rodent abundance of 115 populations (the same below); B annual mean temperature; C annual precipitation; D prefectural annual gross domestic product (GDP). Line color indicates the changing trend of rodent abundance and environmental variables for a given population (red: increase; blue: decrease; grey: no trend). Black solid line indicates loess regression with span = 0.25