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Chesapeake Bay underwater grasses increase 7%, buoyed by gains in salty waters
Submerged aquatic vegetation (SAV), one of the Chesapeake Bay's most important indicators of ecosystem health, increased by 7% in 2025, according to researchers at William & Mary's VIMS & Batten School.
AI Summary
Submerged aquatic vegetation in the Chesapeake Bay grew by 7% in 2025, according to a study by researchers at William & Mary’s VIMS & Batten School. An annual Baywide aerial survey recorded 89,385 acres of underwater grasses across the bay and its tidal tributaries. This represents an increase of 6,134 acres, or 9.6 square miles, compared with the 2024 survey. The data suggest improving ecosystem health in the region.
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