High marsh is a tidal marsh zone between the low marsh and the uplands. It is sandy and—because it floods during high tide for no more than one hour a day—it has a high salinity level; this mostly prohibits plant growth, except for cordgrass
high marsh is a tidal marsh zone between the low marsh and the uplands. It is sandy and—because it floods during high tide for no more than one hour a day—it has a high salinity level; this mostly prohibits plant growth, except for cordgrass (en)