間斷平衡

間斷平衡（）是一個演化生物學理論。此理論認為行有性生殖的物種可在某一段時間中，經歷相對傳統觀念而言較為快速的物種形成過程，之後又經歷一段長時間無太大變化的時期。

間斷平衡理論最早是由美國古生物學家尼爾斯·艾崔奇與史蒂芬·古爾德，基於恩斯特·麥爾的異域物種形成，以及其他一些遺傳理論所提出。

參見
災變論
演化論
生命演化歷程

延伸閱讀
 Adler, J. and Carey, J. (1982) "Enigmas of Evolution" , Newsweek, March 29, 1982.
 Brett, C. E., L. C. Ivany, and K. M. Schopf (1996) "Coordinated stasis: An overview." Palaeogeography Palaeoclimatology Palaeoecology 127 (1-4): 1-20.
 Erwin, D. H. and R. L. Anstey (1995) New approaches to speciation in the fossil record. New York : Columbia University Press.
 Fitch, W. J. and F. J. Ayala (1995) Tempo and mode in evolution : genetics and paleontology 50 years after Simpson. Washington, D.C.: National Academy Press.
 Gersick, C. J. G. (1991): Revolutionary Change Theories: A Multilevel Exploration of the Punctuated Equilibrium Paradigm. The Academy of Management Review 16 (1), pp. 10-36.
 Ghiselin, M.T. (1986) "We Are All Contraptions" , The New York Times, December 14, 1986.

 Gould, S. J. (1992) "Punctuated equilibrium in fact and theory." In Albert Somit and Steven Peterson The Dynamics of Evolution. New York: Cornell University Press. pp. 54-84.
 Gould, S. J. and N. Eldredge (1993) "Punctuated equilibrium comes of age"  Nature 366 (6452): 223-227.
 Mayr, E. (1963) Animal Species and Evolution. Cambridge MA: Harvard University Press.
Rhodes, R. H. T. (1983) "Gradualism, punctuated equilibrium and the Origin of Species." Nature'' 305 (5932): 269-272.

外部連結
"What is Punctuated Equilibria?"  - by Wesley Elsberry
"Punctuated Equilibrium at Twenty" - by Donald Prothero
"Punctuated Equilibrium's Threefold History"  - by Stephen Jay Gould
"The Theoretical Value of Punctuated Equilibrium" - Robyn Broyles
 "Theory Still Rocks Scientists' Equilibrium" - by Keay Davidson
"On the Trails of Macroevolution"  - by Carl Zimmer
"All you need to know about Punctuated Equilibrium (almost)"  - by Douglas Theobald.

Category:演化生物學理論
Category:系统发生学
Category:物种形成