These fragments of wilderness undamaged by human activities are mainly in parts of the Amazon and Congo tropical forests, east Siberian and northern Canadian forests and tundra, and the Sahara.
Plumptre acknowledged that the species range maps were relatively crude and said the 3% figure was a “ballpark estimate”. He said: “The trouble is, at the moment, we don’t have any other maps.”
Accelerating climate change is becoming the overarching threat to the functionality of entire ecosystems. Yesterday’s mammal intactness hardly tells us a lot about the functioning ecosystems in the [global heating] age.