Assertion: salt marsh | /r/HasProperty | low-lying coastal areas
Facets:
value: in estuaries
type: LOCATION
value: in harbors
type: LOCATION
Source sentences:
text: Salt marshes, which are low-lying coastal areas in estuaries and harbors that are flooded at high tide but exposed at low tide, make special demands of any plant that chooses to colonize them, but there are several plant species that have become particularly successful at so doing because they can tolerate a high level of salt in the water at their roots.