Extended Data Figure 2: Histogram of the predicted forest tree density values for the locations that density measurements were collected in each biome around the world (n = 429,775).
![Extended Data Figure 2](https://cdn.statically.io/img/media.springernature.com/full/springer-static/image/art%3A10.1038%2Fnature14967/MediaObjects/41586_2015_BFnature14967_Fig7_ESM.jpg)
The red line and the blue dotted lines indicate the mean and median for the collected data, respectively. As our models were based on mean values, the majority of points fall on or close to the mean values in each biome.