Inevitably, these imbalances in public perception of introduced species influence the way those organisms are managed. Take the ring-necked parakeet (Psittacula krameri) for example. The pet trade has ...

This Issue focuses on ecological consequences of introduced species using several case studies - zebra mussels, brown tree snakes, fire ants, and gypsy moths. There are many, many more examples of ...

Caulerpa taxifolia, the "killer alga," is just one dramatic example of an accelerating phenomenon—the homogenization of the biosphere by species introduced to every continent and island.

In some cases, the species are entirely dependent on each other (obligate mutualism) and in others, they derive benefits from their relationship but could survive without each other (facultative ...