Nutrient concentrations from porewater samples at a Typha sp. dominated brackish marsh on the Upper Parker River, Plum Island Ecosystem, MA.

Porewater samples from a Typha sp.-dominated brackish marsh on the Upper Parker River in the Plum Island Ecosystem (PIE) LTER site were analyzed for ammonium, phosphate, sulfide and chloride concentrations.采集自普卢默岛生态系统（PIE）长期生态研究（LTER）站点帕克河上游以香蒲属（Typha sp.）为优势种的咸淡水沼泽的孔隙水（porewater）样品，针对铵盐、磷酸盐、硫化物与氯化物的浓度开展了检测分析。