News Posted January 3, 2008 Posted January 3, 2008 Persistent toxins such as mercury, PCBs and phosphorus continue to pose problems. So do the nearly 200 non-native species of plants and animals that have found their way into the lakes. Overall, however, the lakes appear to be doing OK.More...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now