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Soil Amelioration And Plant Establishment On Sodium Affected Soils On Galveston Island, Texas, Elaine Harris
Soil Amelioration And Plant Establishment On Sodium Affected Soils On Galveston Island, Texas, Elaine Harris
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The storm surge from Hurricane Ike in 2008 inundated much of Galveston Island, Texas, causing lasting below-ground impacts in the form of elevated soil sodium (Na+) concentrations. The Na+ initially killed much of the vegetation on the Island and its persistence in soils and groundwater slowed revegetation with some species. Soil amelioration techniques aimed at reducing soil Na+ concentrations were evaluated on an area affected by the storm surge. The treatments were: constructed raised beds composed of uncontaminated soil, incorporation of organic mulch, gypsum application, and combinations of these treatments. Inputs of Na+ from sea-spray aerosols were also quantified using …