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.

Stated plainly, the vast majority of intentionally or unintentionally introduced species are not a threat to native ecosystems. Governments and conservation organizations spend an enormous amount ...

from ones still dominated by native species to others whose native species had been largely replaced by introduced species valuable for arboriculture. From accounts of early European visitors ...

Briski: "The most commonly reported introduced non-native species tend to be those that have been introduced intentionally for agriculture, horticulture, forestry or other purposes." And unwanted ...

In this Issue, students will examine published data that address the ecological consequences of introduced species. Activities engage students in data analysis and hypothesis testing and will increase ...

In a new study, researchers used more than 5 million measurements from individual trees across much of eastern North America and showed the rate at which introduced species are spreading has ...