Moving fast to study nitrate in the Mississippi, algae in Mendota
The Mississippi River has long had its explorers. From de Soto to Marquette, Lewis and Clark to Clemens, the fourth largest river in the world has for centuries inspired enchantment.
Tag: rivers
Wisconsin’s fish – all of them – star in new poster series
Fully grown, the least darter is one inch long — Wisconsin’s smallest fish. The lake sturgeon, which can grow to more than 6 feet in length, is Wisconsin’s biggest. In between are 181 other species, and each and every one of them will soon have its moment in the spotlight, thanks to scientific illustrator Kandis Elliot.
As the river rises: Cahokia’s emergence and decline linked to Mississippi River flooding
As with rivers, civilizations across the world rise and fall. Sometimes, the rise and fall of rivers has something to do with it. At Cahokia, the largest prehistoric settlement in the Americas north of Mexico, new evidence suggests that major flood events in the Mississippi River valley are tied to the cultural center’s emergence and ultimately, to its decline.
Pecatonica without the ‘P’: Project cuts phosphorus levels in river
Conservation experts and farmers alike are rather pleased with the news out of southwestern Wisconsin. A seven-year pilot project in the 12,000-acre Pleasant Valley subwatershed of the Pecatonica River has helped to reduce the amount of phosphorus and sediment entering the river after major storms by more than a third.
Thinking ‘big’ may not be best approach to saving large-river fish
Large-river specialist fishes – from giant species like paddlefish and blue catfish, to tiny crystal darters and silver chub – are in danger, but researchers say there is greater hope to save them if major tributaries identified in a University of Wisconsin-Madison study become a focus of conservation efforts.