Map showing 1848-2022 marsh habitat change analysis results, Grand Bay, Mississippi and Alabama

Coastal marshes across the Northern Gulf of Mexico are critical ecosystems, providing wildlife habitat, nursery for many species of fish, a carbon sink, and protection of communities from storm surge, but are vulnerable to coastal hazards, such as wave attack, sea level rise, and subsidence. While many marshes accrete vertically to compensate for rising sea level, marsh loss can occur...