Hutchinson's ratio

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The Hutchinson's ratio is the ratio of the size differences between similar species when they were living together as compared to when they were isolated. It is named after G. Evelyn Hutchinson who concluded that various key attributes in species varied according to the ratio of 1:1.1 to 1:1.4.[1]


  1. ^ Harvey & Silvertown; Paul Harvey; Jonathan Silvertown. New Scientist Sep 15, 1983; Vol. 99, No. 1375. Reed Business Information. p. 760. ISSN 0262-4079. 

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