Hutchinson's ratio
Encyclopedia
G. Evelyn Hutchinson
looked at size differences between similar species
when they were living together as compared to when they were isolated. He concluded that various key attributes in species varied according to the ratio of 1:1.1 to 1:1.4.
G. Evelyn Hutchinson
George Evelyn Hutchinson FRS was an Anglo-American zoologist known for his studies of freshwater lakes and considered the father of American limnology....
looked at size differences between similar species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
when they were living together as compared to when they were isolated. He concluded that various key attributes in species varied according to the ratio of 1:1.1 to 1:1.4.