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Home / Campanhas e Materiais didáticos / Vídeo Invasive alien species: what’s the big deal? – Interreg Harmony ItaliaMalta

Vídeo Invasive alien species: what’s the big deal? - Interreg Harmony ItaliaMalta

We normally associate alien species with extra-terrestrial life from outer space…. However, aliens are actually closer to home. Biologists use the term to refer to species which are dispersed outside their native range due to human activities. Most alien species populations never actually reach concerning numbers, but a small fraction, the invasive species, are more insidious. Under the right conditions their numbers explode.