To clarify the soil nitrogen forms concentration and storage along saline-fresh water of Minjiang river estuarine wetland,nitrogen forms concentration,storage and influencing factors were measured and analyzed.The results showed:The averaged values of soil total nitrogen,organic nitrogen,NH+4,NO-3 concentration were 0.33,1.12,1.60 g/kg;0.33,1.11,1.58 g/kg;0.97,12.36,20.04 mg/kg;0.85,0.87,1.24 mg/kg and storage were 41.16,104.91,114.35 t/km2;41.04,103.75,112.91 t/km2;10.06,119.20,148.43 kg/km2;713.83,887.18,...