Biotic succession
Su ccession : An orderly and progressive replacement of one community by another until a relatively stable community (climax community) is established in an area is called biotic succession. A. Causes of succession: It involves a series of complex processes, so it controlled by a number of causes- a. Initiating causes: It includes all these biotic and abiotic causes which helps in production of barren area e.g. fire, wind, grazing, cutting, cultivation, draught etc. b. Continuing causes: Causes of successive waves of population e.g. Migration, competition, aggregation, reation etc. c. Stabilizing causes: These helps in stabilise the community in an area. Climatic factors has major influences on stabilisation. B. Basic types of succession: There are two main types of succession- a. Primary succession: - It is a process of colonization on the substratum initially free of life. - The substratum serves for primary succ...