A Floodplain Is an Area Adjacent a Stream or River

A floodplain is an area adjacent a stream or river that experiences flooding during periods of high discharge.These ecosystems can be very rich in both quantity and diversity of organisms and can contain up to 1,000 times more species than a river.Many floodplains have been compromised by the construction of levees,pollution,and the draining of wetlands and marshes.A restoration project that focuses its efforts on the removal of levees and the improvement of water quality,is a plan focused on

A) restoration of species.
B) restoration of ecosystem functioning.