A salt marsh is a type of
marsh that is a transitional zone between land and salty or brackish water (e.g., sloughs, bays, estuaries). It is dominated by
halophytic (salt tolerant)
herbaceous plants. Historically, salt marshes have sometimes been treated as "wastelands", along with other wetlands. We now know that salt marshes are one of the most biologically productive habitats on the planet, rivaling tropical rainforests. This is partly due to the daily tidal surges that bring in nutrients, the natural chemical activity of salty (or brackish) water, the tendency of nutrients to settle in roots of the plants there, and the tendency of algae to bloom in the shallow unshaded water. Salt marshes also provide a benefit by protecting against severe weather, such as in the North American Gulf Coast. In the past, substantial areas of saltmarsh have been reclaimed as agricultural land and for urban development, but in the US and Europe they are now accorded a high level of protection by the
Clean Water Act and the
Habitats Directive respectively. There is growing interest in restoring salt marshes, through a process of
managed retreat.
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Een kwelder (ook: gors, schor(re), schol of groeze/groes, de verschillende namen zijn regionaal) is een begroeide
buitendijkse landaanwas die bij een gemiddeld hoogwater niet meer onderloopt. Alleen bij erg hoge waterstanden komt hij blank te staan. De term wordt ook wel gebruikt voor een
onbedijkte aangeslibde
kleibank.
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SALINA. PALUDE D'ACQUA SALATA
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