Coastal Sand Dune Degradation and Rehabilitation. James Ruediger. Coastal Sand Dunes, Little Dip National Park, South Australia. Why are Coastal Dunes so important?. Dunes are critical to the health of a beach system. Storage of sand to replace beach sand lost during storm events
Coastal Sand Dunes, Little Dip National Park, South Australia
Healthy dune vegetation, South Port beach.
Courtesy of SA Dept. of Planning
South Port beach showing dunes and river
Hallett Cove Beach
Aerial view of Glenelg North beach, courtesy City of Holdfast Bay.
Henley Beach, 1953 showing storm damage. Courtesy of DENR
Fencing, Reveg area and boardwalks at Hallett Cove
Sand grass slowly rehabilitating dune/beach interface
New vegetation growing through sand matting
Healthy dune-beach interface, South Port Beach
Area of erosion controlled with fencing and replanting
Storm damage repaired with compostable seagrass sand bags
Boardwalks keep foot traffic off dunes, limiting erosion and vegetation destruction