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Seral community

succession

Subject: 
Biology
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Tags: 
Ecological succession
Terminology
Systems ecology
Biology
Ecology
Seral community
Climax community
Primary succession
ecosystem
Pioneer species
Secondary succession
biome
Environment

7.1 Succession Ecological succession is the directional change in the composition of species that occupy a given area through time: it involves initial colonization and establishment of pioneer plant species, followed by their replacement with other species until a relatively stable community is formed. Ecosystems are made up of all the interacting biotic (food availability, competition and predation)and abiotic (non-biological environment ? pH, temperature, rainfall and humidity)factors in a particular area within which there are a number of communities of organisms. Ecosystems constantly change, Succession is the term used to describe these changes, over time, in the species that occupy a particular area. A sere (seral stage) is the series of stages in succession.
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