Ants are one of the most abundant and influential elements in many Australian ecosystems. They have been found to comprise up to 80 per cent of the surface, foraging invertebrates in some arid areas, and it has been speculated that the two major forces shaping the Australian mulga habitat are drought and ants. Ants are important scavengers and therefore assist in nutrient cycling, act as predators and competitors of other arthropods, are an important food source for many reptiles, birds and mammals, have a major impact on plant growth and reproduction, and their nesting habits have a major impact on soil structure.
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