Alien species on the rise worldwide

Posted by on February 15, 2017 12:44 pm
Categories: Top News

Although it was known that the number of alien species increased during the last decades, it remained unclear whether or not the accumulation of alien species has already reached a point of slow-down. A new study on the topic has an answer now: for all groups of organisms on all continents, the number of alien species has increased continuously during the last 200 years.

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