Assertion: wetland | /r/HasProperty | given by cowden
Facets:
value: in 1979
type: TEMPORAL
Source sentences:
text: Further, considering the definition of wetlands given by Cowden in 1979 for classification of wetlands in the US, three key attributes of hydrology (the degree of flooding or soil saturation), wetland vegetation (hydrophytes) and hydric soils have also been considered for identification.