Tolerance model - models of succession, Biology

Tolerance Model - Models of Succession

In this model, the presence of early successional species is not essential, that is, any species can start succession. Some species are competitively superior and they eventually predominate in the climax community. Species that are more tolerant of limited resources, replace the other species.

321_Tolerance Model.png

Figure: Tolerance Model

Succession proceeds either by the invasion of later species or by a thinning out of the initial colonists, depending on the starting conditions. The crux of the whole thing is that there is a competitive hierarchy in which later species can outcompete earlier species and can also invade in their absence.

Posted Date: 1/21/2013 12:33:34 AM | Location : United States

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