Study finds artificially created saltmarshes built to slow coastal erosion are not as rich in plant life as natural wetlandsMan-made English salt marshes are failing to meet European conservation regulations that stipulate they should be as rich in plant life as natural wetlands, a new study warned on Thursday.Salt marshes are coastal wetlands that are flooded and drained by salt water brought in by the tides, and are found all around the coastline of Great Britain. They are important ecosystems that provide essential food, refuge or habitat for fish, invertebrates and birds. The flowering plants that live there are very specialised, as only a few species can tolerate the salty conditions.Scientists from the University of East Anglia (UEA) compared the vegetation of 18 marshes created as part of man-made changes to the coastline since 1991, and 17 marshes created accidentally by storm surges since 1881, with 34 natural salt marsh...
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