Assertion: lake's concentration | /r/HasProperty | high
Facets:
value: in the water column
type: LOCATION
value: moderately
type: DEGREE
Source sentences:
text: The extremely high methylmercury concentrations have been only in the lake's anoxic deep brine layer (monimolimnion) below a depth of 20 feet (6.1 m), but concentrations are also moderately high up in the water column where there is oxygen to support brine shrimp and brine flies.