An analysis of 20 years of water quality data shows that Biscayne Bay, a NOAA Habitat Focus Area off southeast Florida, is degrading, as scientists have identified early warning signs that could help inform managers to prevent a regime shift of the bay’s ecosystem.In a recent study published in Estuaries and Coasts, scientists from NOAA and partner organizations detected an increasing trend in chlorophyll and nutrient levels from 48 monitoring stations throughout Biscayne Bay.