Porewater nutrient concentrations from control plots at a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem LTER, MA.

Porewater samples from a Spartina alterniflora-dominated salt marsh on the Rowley River in the Plum Island Ecosystem (PIE) LTER site were analyzed for ammonium, phosphate, sulfide and chloride concentrations.采自普拉姆岛生态系统（Plum Island Ecosystem, PIE）长期生态研究（Long Term Ecological Research, LTER）站点内罗利河沿岸、以互花米草（Spartina alterniflora）为优势物种的盐沼的孔隙水样品，针对其中的铵盐、磷酸盐、硫化物与氯化物浓度开展了分析测定。