what is a salt marsh anyways?

by klmitchell

Salt marshes serve as the transition from the ocean to the land, where fresh and salt water mix. (footnote) [They are] one of the most productive natural ecosystems on Earth, and support a rich diversity of plants and animals that are uniquely adapted to inhabit wetlands that constantly change with the ebb and flow of the tide. Today, salt marshes are treasured for the biodiversity they support, their contribution to marine productivity and commercial fisheries, their ability to anchor sediments and protect shorelines from erosion and flood damage, and their capacity to improve water quality….In the last 350 years, humans have converted countless acres of salt marshes to roads, farms, parking lots, neighborhoods, and even cities. (more here)

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