Pertaining to moderately brackish water with low range salinities (from .5-5 parts per thousand)
slightly brackish water with a salinity range of 0.5-5 ppt.
low salinity areas, 0-15ppt
Of or relating to a body of water with a salinity measure of less than 5 parts per thousand (or 5 grams of salt per liter).
Low salinity; brackish (0.5-5 ppt).