Concerned about aquatic invasive species? The Mississippi River Basin Panel of the national Aquatic Nuisance Species Task Force meets next week on Ohio State’s Columbus campus (an especially nicely wet part), and you’re welcome to attend. Among the topics will be the status of Asian carp in the Ohio River. The non-native fish, which are actually four different species, including the skittish, jumpy silver carp, shown here, are already established in parts of the Mississippi basin, including the lower Ohio. They threaten native fish and natural ecosystems. And boaters who can’t duck fast enough. (Photo: Asian Carp Regional Coordinating Committee.)