Invasive species pose a threat to wildlife and ecosystems. Biological control, the introduction of natural enemies of such species, is an effective way of reducing the number of invasive species in an area and averting their negative effects. As control agents are usually released in ecosystems that provide good habitat conditions for the species, overpopulation and establishment of the control agents in the area can occur, which may be associated with species extinction and negative impacts on biodiversity in the affected ecosystems. It should be noted, however, that there are many success stories and that there is government oversight of biological control. The main concern is to be aware of the negative impacts that biological control agents can have on other species.
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