Ecologists have long known of buckthorn’s ability to push out native plants, but two new studies from Chicago scientists suggest the woody shrub also changes the distribution of large mammals like coyotes, and even causes spinal defects in unborn frogs.
The Emerald Ash Borer is a wood boring beetle that's killed tens of millions of ash trees in the U.S. and on its way to ruining millions more. Cutting down these trees is just one way to get rid of the pest, but it’s not enough. Jerome and Kate Sackman from EcoMyths Alliance talk with two experts about other options and the tree's significance to Chicago.
Last week researchers presented evidence that invasive Asian carp species may be at the Great Lakes' doorstep. The upper Lakes may not support a carp explosion, however, and the jury is out on what their impact could be. Still, scientists urge caution.
The far south side forest preserves’ seclusion and proximity to areas troubled by gang activity once made them ideal dumping grounds for bodies. And a dense underbrush of white poplar, buckthorn and purple loosestrife, all invasive species, obscured any view of the interior from the road.
Two central Illinois lakes will be closed to fishing this year as the state battles invasive common carp.The Illinois Department of Natural Resources says the Hennepin and Hopper Lakes in Putnam County will be closed to all public sport fishing.