What is "chorology"

Chorology \Cho*rol"o*gy\, n. [Gr. ? place + -logy.] (Biol.) The science which treats of the laws of distribution of living organisms over the earth's surface as to latitude, altitude, locality, etc.

Its distribution or chorology.
--Huxley.

n. 1 The spatial equivalent to chronology; the science of determining the order in which places or regions occur or are constructed. 2 (context biology English) The study of the spatial distribution of organisms.

Chorology (from Greek , khōros, "place, space"; and , -logia) can mean

• the study of the causal relations between geographical phenomena occurring within a particular region
• the study of the spatial distribution of organisms.

In geography, the term was first used by Strabo. In the twentieth century, Richard Hartshorne worked on that notion again. The term was popularized by Ferdinand von Richthofen.