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The Role of Fire Ecology in Plant Succession

Succession is defined as a directional change in community composition and structure over time (Gurevitch et al, 2002). Succession is either primary or secondary. In primary succession plants grow and colonize earth for the first time. In secondary succession plants inhabit and colonize earth that was once inhabited by plants life.
A wildfire is one example of secondary succession. When a disturbance in the environment occurs, such as a wildfire, either part or all of the community is destroyed. The aftermath of the wildfire leaves a barren landscape open to new growth, vegetation, and re-colonization of plant species (Gurevitch et al, 2002). Various studies have been undertaken and completed regarding the restoration and recovery of plant communities following wildfires. These studies include aspects of species richness during colonization to niche development.
The Mediterranean plant Banksia and Hakea have the ability to build post-fire communities rather successfully ...

Posted by: Geraint Watts

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