Let’s talk about science – Invasive species

Pittsburgh is a welcoming city, with folks from all over the world happily calling this patch of Pennsylvania home. But when it comes to local rivers and streams, there are some residents that biologists would love to see gone. Along with native species such as catfish, walleyes and smallmouth bass, other non-native species have made themselves comfortable. Asian carp, zebra mussels, even a slimy algae delightfully termed “rock snot” have invaded local waterways.  Click on the following sentence to access the full story.

People recognize pollution as a threat to water quality, but did you know invasive species also pose a threat to our waterways? 


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