411 REFERENCE · Wiktionary
Rapoport's rule
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named by Stevens (1989) after Eduardo H. Rapoport, who had earlier provided evidence for the phenomenon for subspecies of mammals.
Proper noun
An ecogeographical rule stating that latitudinal ranges of plants and animals are generally smaller at lower latitudes than at higher latitudes.
en eponyms
en Biology