An expansive bed of underwater grass at the mouth of the Susquehanna River has proven it is able to "capture 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 outlive a barrage of rough storms and flooding, and but it has proven a natural ability to protect and maintain itself.
Source: phys.org