European colonial legacy is still visible in today's alien floras

Alien floras in regions that were once occupied by the same European power are, on average, more similar to each other compared to outside regions and this similarity increases with the length of time a region was occupied. ...

When do invasive species pose a threat?

Is it possible to predict whether newly-arriving alien species, such as fishes from the Black Sea, will establish in Western Europe and displace native species? Researchers of Wageningen University & Research and Radboud ...

Colonization of Brazil by the cattle egret

In recent years the cattle egret (Bubulcus ibis) has colonized American continent. Invasive species are a worldwide problem and studies are devoted to assess the damage they cause to local species populations. Thus, the process ...

Alien species play havoc with fish

Researchers in Italy suggest that one of the main limits of spatially explicit forms of marine conservation, such as Marine Protected Areas (MPAs), is that they cannot protect areas from major threats, including coastal modifications ...

How climate change is affecting sea squirts in Antarctica

Antarctica may have a reputation for being cold, icy, and lifeless for miles on end, but an important marine animal near the continent is the focus of a new study. This study investigates how the animals—ascidians, also ...

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