The enigma of frequency-dependent selection
Authors: Heino M, Metz JAJ, Kaitala V
Publication Year: 1998
Reference: Trends in Ecology & Evolution, 13(9):367-370 (1 September 1998)
. Also available as IIASA Interim Report IR-97-061 www.iiasa.ac.at/Admin/PUB/Documents/IR-97-061.pdf
Abstract
Frequency-dependent selection is so fundamental to modern evolutionary thinking that everyone `knows' the concept. Yet the term is used to refer to different types of selection. The concept is well defined in the original context of population genetics theory, which focuses on short-term evolutionary change. The original concept becomes ambiguous, however, when used in the context of long-term evolution, where density dependence becomes essential. Weak and strong frequency dependence, as distinguished in this article, refer to two very different forms of selection.
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