An expansive bed of underwater grass at the mouth of the Susquehanna River has proven it is able to “take a licking and keep on ticking.” A recent study has found that the submersed aquatic vegetation (SAV) bed at Susquehanna Flats, which only recently made a comeback in the Chesapeake Bay, was not only able to survive a barrage of rough storms and flooding, but it has proven a natural ability to protect and maintain itself.