Hao, Zhuo Nitrogen source track and associated isotopic dynamic characteristic in a complex ecosystem: A case study of a subtropical watershed, China. [electronic resource] - Environmental pollution (Barking, Essex : 1987) May 2018 - 177-187 p. digital Publication Type: Journal Article ISSN: 1873-6424 Standard No.: 10.1016/j.envpol.2018.01.078 doi Subjects--Topical Terms: AgricultureAmmonium CompoundsChinaDenitrificationEcosystemEnvironmental Monitoring--methodsEnvironmental PollutionFertilizersForestsGroundwaterManureNitrates--analysisNitrogen--analysisNitrogen Isotopes--analysisSeasonsSewageSoilWater Pollutants, Chemical--analysis