Figure 1
From: Living on a volcano’s edge: genetic isolation of an extremophile terrestrial metazoan

Sampling sites in São Miguel Island digital elevation model. M.y. million years; T.y., thousand years. A—Sete Cidades volcano, B—Fogo volcano, C—Furnas volcano. Digital elevation model created using the geographical data provided by Secretaria Regional do Ambiente e do Mar (2012).