Tag: Preserve Our Prairies Initiative

  • Nitrates Before and After: This is what happened

    Nitrates Before and After: This is what happened

    Many people are curious about Iowa stream nitrate before modern agriculture became established across the landscape. They want to know what the “natural” level of nitrate was. It turns out we do have some actual data. In 1955, the Iowa Geological Survey published a document titled “Water-Supply Bulletin No. 5, Quality of Surface Waters of…

  • Preserve Our Prairies Initiative

    Preserve Our Prairies Initiative

    The Prairie Pothole Region (PPR) is a lush and productive ecosystem of wetlands and grasslands that evolved after the glaciers retreated 10,000 years ago. The PPR has the world’s best waterfowl nesting habitat, producing a fall flight of ducks unrivaled anywhere on earth. Healthy wetlands are crucial for prairie-nesting ducks, providing nutrients for egg laying…