Invaders

Wildlife

Invasive species gang up on native crayfish

By Natasha Blakely | May 2, 2017

Invasive mussels and crayfish in the Great Lakes are supporting each other to the detriment of the native crayfish.

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Ballast water can harbor invasive viruses, study says

By Liam Tiernan | April 4, 2017

The water used to stabilize ships has been known to carry invasive species. A new study says viruses can be counted among them.

Forests

Emerald ash borers may increase crime, study says

By Max Johnston | March 22, 2017

Researchers say tree loss plays a role in street crime.

Video helps volunteers take on aquatic invasives

By Lucy Schroeder | February 17, 2017

In the fight against aquatic invasive species, early detection is essential. Video is making that easier to accomplish.

Endangered wildlife

Fight invasives or protect pollinators: Neonicotinoids present tough choice

By Ian Wendrow | February 6, 2017

Neonicotinoids have been linked in some studies to declining pollinator population, but they are also a key tool in protecting ash trees from the invasive emerald ash borer.