Freshwater mussels are important animals in the riverine ecosystem and serve several roles. They actively filter sediment and bacteria, stabilize and aerate substrates, and deposit nutrients and food for other bottom-dwelling species. Unfortunately, many species of mussels – over 60% – are imperiled. The Vermilion of the Wabash River basin in East Central Illinois and […]
It was a chilly day in late February when Kevin Cummings found an unexpected package in his mailbox: an advance copy of his new book, Freshwater Mollusks of the World: A Distribution Atlas. Nearly four years earlier, snail expert Chuck Lydeard had contacted Kevin to see if he would be interested in helping compile the atlas. […]
DANVILLE, ILLINOIS – When Vermilion River water levels fell as the Danville Dam was removed this summer, hundreds of mussels had to find their way back to the river or they would perish on the shore. Lucky for the mollusks, Illinois Natural History Survey (INHS) researchers came to their rescue, moving mussels by hand into […]
CHAMPAIGN, Ill. – Man-made levees and water pollution have made an impact on the fish and other fauna of the Illinois River throughout the 20th century, but researchers at the Prairie Research Institute (PRI), University of Illinois, have taken an even longer view of human-induced changes in freshwater mussels, dating back to pre-Columbian times. Significant […]
Researchers participated in a salvage operation for mussels stranded during a drawdown of the Illinois River near Marseilles, Illinois, to retrieve seven barges that had broken free and gotten pinned on the dam a few months prior. During this operation, Kevin Cummings, state malacologist and one of around 25 biologists helping with the census and […]