19.1.4  Summary

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The physical attributes of fires kill some plant tissues and change soil chemistry. Subsequently, availability of light, water, nutrients and biomass for grazing animals can change, generating ‘fire effects’ that are secondary outcomes of fire. The immediate effects of a fire set the scene for the next fire which can again modify a plant community according to its intensity, type and season of occurrence — hence the importance of fire regimes. Outcomes for a plant community depend on many genetic properties of plant species, not just tolerance to a fire.

 

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