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Geological Society, London, Special Publications; 1996; v. 102; p. 61-63;
DOI: 10.1144/GSL.SP.1996.001.01.04
© 1996 Geological Society of London

General

Recovery as a function of community structure

Valentin A. Krassilov

Palaeontological Institute, 123 Profsojusnaya, Moscow 117647, Russia

According to the climax cut-off model, ecological succession can be truncated at an early stage by environmental factors thus causing elimination of climax species and their replacement by new dominants derived from successional species. Such profound restructurings are caused by prolonged stresses rather than by episodic impacts. Recovery of a dominant group is due to its representatives in the early stages of ‘mixed’ successions. In the ‘graded’ successions with the serial and climax species belonging to different evolutionary grades (e.g. dinosaurs and mammals in the terminal Cretaceous communities) such recoveries are less probable.