Julie Galonska will lead the National Park as it enters its 50th year — amid numerous opportunities and challenges.
Zebra mussels and other non-native organisms can have severe negative ecological and economic effects.
Proposal would expand the use of prescribed fire and start restoration of pine plantations.
Minnesota and Wisconsin meeting will cover the threat to the St. Croix River and possible steps to protect it.
The non-native fish jump out of the water when boats pass, endangering safety as well as the ecosystem.
A range of opportunities is available this summer to help protect the ecological health of the river.
Invasive fish and other species demand vigilance and eradication efforts to preserve natural ecosystems.
Boat decontamination units will provide courtesy cleaning of boats to prevent the spread of non-native plants and animals.
University of Minnesota scientists have found a strategy to keep the non-native fish out of the St. Croix River.
Researchers have discovered new ways to stop the destructive non-native fish.