Within an estuary, salinity levels are referred to as oligohaline (0.5-5.0 ppt), mesohaline (5.0-18.0 ppt), or polyhaline (18.0-30.0 ppt) (U.S. EPA, 2006b). Trong cửa sông, mức độ mặn được gọi là oligohaline (0,5-5,0 ppt), mesohaline (5,0-18,0 ppt) hoặc polyhaline (18,0-30,0 ppt).
Within an estuary, salinity levels are referred to as oligohaline (0.5-5.0 ppt), mesohaline (5.0-18.0 ppt), or polyhaline (18.0-30.0 ppt) (U.S. EPA, 2006b). Trong cửa sông, mức độ mặn được gọi là oligohaline (0,5-5,0 ppt), mesohaline (5,0-18,0 ppt) hoặc polyhaline (18,0-30,0 ppt).
Within an estuary, the salinity levels are referred to as oligohaline (0.5 - 5.0 ppt), mesohaline (5.0 - 18.0 ppt) or polyhaline (18.0 - 30.0 ppt). Trong cửa sông, mức độ mặn được gọi là oligohaline (0,5-5,0 ppt), mesohaline (5,0-18,0 ppt) hoặc polyhaline (18,0-30,0 ppt).
Within an estuary, the salinity levels are referred to as oligohaline (0.5 - 5.0 ppt), mesohaline (5.0 - 18.0 ppt) or polyhaline (18.0 - 30.0 ppt). Trong cửa sông, mức độ mặn được gọi là oligohaline (0,5-5,0 ppt), mesohaline (5,0-18,0 ppt) hoặc polyhaline (18,0-30,0 ppt).