Soil disturbance also leads to increased erosion and nutrient leaching from soils, which have led to eutrophication and resultant algal blooms within inland aquatic and coastal ecosystems ...

A grey or light-coloured 'E' horizon is the result of severe leaching, or eluviation, which washes out everything but quartz grains. Eluviation is the removal of soil, clay, silt or fine organic ...