Freshwater lakes in North America and Europe are undergoing a noticeable change, becoming browner over time. This shift is linked to various environmental factors that impact underwater visibility.
As a result of these changes, several popular sport fish, including trout, bass, perch, and whitefish, are experiencing declines in their populations. The reduced visibility in the water is believed to be a contributing factor.
Conversely, species such as pike and walleye appear to be thriving in these altered conditions, suggesting a significant shift in the dynamics of aquatic ecosystems.