barrier marsh

barrier marsh

[′bar·ē·ər ‚märsh]
(ecology)
A type of marsh that restricts or prevents invasion of the area beyond it by new species of animals.
References in periodicals archive ?
Further, under the second coastal restoration project awarded in the last 12 months GLDD will reclaim riverine sand from the Mississippi River sources and restore the shoreline dune system and with materials reclaimed from offshore sources an intertidal back barrier marsh area will be constructed behind the dune system, the company said.
In addition, an intertidal back barrier marsh area will be constructed behind the dune system from materials reclaimed from offshore sources.