What are the negative things about Invasive species?

An exotic or alien species is one that has been introduced to a new place, but does not necessarily have negative consequences. For example, many fish species have been introduced into the Great Lakes for sport fishing. read more

A major negative impact of invasive species is that they displace native species. Not only do they reduce biodiversity, they reduce carrying capacity. For example, because invasive plant species have not evolved with the local biological community, they provide little support for it. read more

Invasive species are the stock villains of conservation biology, disrupting ecosystems and throwing native populations into disarray. But in certain cases, they’re actually quite beneficial, and perhaps it’s time to recognize that. In California, for example, native butterflies feed on non-native plants. read more

However, when these alien species begin to have negative consequences in the new habitat, they are called invasive species. Invasive species may cause environmental harm, economic harm, or impact human health. read more