Excessive nutrients – notably phosphorus and nitrogen – are contributing to algal blooms within the Great Lakes. To deal with this issue in the most cost-effective way, it helps to be able to pinpoint the main sources of these two substances.
The St. Croix River system contains a series of dams which fish that live part of their lives in the ocean, such as alewives, must navigate in order to spawn each year. An IJC-funded project aims to bring a population model for alewives online.
The International Joint Commission (IJC) is looking beyond the borders of North America to find potential solutions to issues of excess nutrients in basins shared by Canada and the United States.