Range of joints and the saltwater freshwater rivers, which are usually found along the mouth of the river water flow fluctuations affecting success at changing salinity of water in the water is very brackish.
The boundaries of freshwater and saltwater meet. Which is often found in the mouth of the river. The rise and fall of the tides, the influence of changes in the salinity of the water is very brackish water.
The boundaries of the inland waters and sea water source convergence, which is often found in the delta. Fluctuation of current the effect changes in salinity of the water is brackish. However