Previously disturbed soil

{
  "id": "MLC-T-ENV-022058",
  "term": "Previously disturbed soil",
  "field": "Environment",
  "term_source": "Previously Disturbed Soil",
  "definition": "Areas of soils disturbed by previous human development activities. Indicators of disturbed soils may include soil horizons that differ significantly in depth, texture, or physical or chemical properties from the reference soil; bulk densities that exceed the Maximum Allowable Bulk Densities; organic matter content lower than that of the reference soil; soil chemical characteristics (parameters such as pH, salinity, cation exchange capacity, and nutrient profiles) different from that of the reference soil; presence of compounds toxic to the intended plants; and presence of weedy, opportunistic, or invasive plant species.",
  "subject": "Built environments",
  "references": [
    "Adapted from Office of the President Council on Environmental Quality Guidance for Federal Agencies on Sustainable Practices for Designed Landscapes at https://www.whitehouse.gov/sites/default/files/microsites/ceq/recommendations_on_sustainable_landscaping_practices.pdf"
  ],
  "url": "https://mlchart.com/terminology/environment/previously-disturbed-soil/"
}