salt-marsh and mangroves, exacerbated by land subsidence. The water level has been rising at around per year at Inner Harbour and at Outer Harbor. After the seawall at the Mutton Cove Conservation Reserve was breached by a huge storm in 2016, the area is now regularly flooded by the river. This will cause the samphires to die off and the mangroves to increase. See also Rivers of South Australia References Further reading Rivers of Adelaide Nature reserves in South Australia Estuaries of South Australia Mangrove ecoregions Kaurna Shipping channels