Hesse worked in the spirit of Karl August Möbius (German zoologist) with biogeography and ecology of vertebrates and in 1924, he published his Tiergeographie auf Ökologischer Grundlage.
Hesse worked in the spirit of Karl August Möbius (German zoologist) with biogeography and ecology of vertebrates and in 1924, he published his Tiergeographie auf Ökologischer Grundlage.