invasive species

(Newser) - The 3-day, $3 million attempt to purge a canal leading to Lake Michigan of invasive Asian carp has so far yielded just a single dead specimen. Biologists are still sifting through the tens of thousands of other fish poisoned in the purge, the largest deliberate fish kill in Illinois history....

(Newser) - While the physical changes brought on by global warming—droughts, floods, and the like—are fairly easy to model, the effect on ecosystems is disconcertingly unpredictable, John Waldman writes in Yale Environment 360. Species will shift migration patterns and seek new homes, affecting other species in ways we can't imagine....

(Newser) - Invasive species don’t always spell disaster for native ecosystems and animal life, scientists say after a study of the process and its effects on New Zealand. More than 22,000 non-native plants have been introduced to the islands, the New York Times reports, and only three native species have...

(Newser) - Officials in the Midwest are returning to a tried-and-true technique to fight invasive plants, the Chicago Tribune reports. Biological control uses natural enemies to rein in pests, and importing a tiny brown beetle in the 1990s brought under control a fast-spreading European weed, known as loosestrife, that was terrorizing agriculture....