Substrate

{
  "id": "MLC-T-ENV-027172",
  "term": "Substrate",
  "field": "Environment",
  "definition": "1. The rock underlying surface soils.\n\n2. The particles that constitute the bed of a channel.\n\n3. Refers to bottom sediment material in a natural water system.\n\n4. The surface or material that an organism lives on or in. For example, oyster reefs provide hard substrate for invertebrates to attach themselves to.\n\n5. The material on which another material is coated or fabricated (substratum).",
  "subject": "Water",
  "references": [
    "Nearshore Terrestrial Ecosystems Glossary",
    "Watershed Protection Glossary",
    "Sediment Total Maximum Daily Loads (TMDLs) Glossary",
    "Chesapeake Bay Glossary",
    "Improving Air Quality in Your Community Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/substrate/"
}