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.

采集普卢默岛生态系统（Plum Island Ecosystem，PIE）长期生态研究（Long Term Ecological Research，LTER）站点罗利河沿岸以互花米草（Spartina alterniflora）为优势种的盐沼孔隙水样品，并对其中铵盐、磷酸盐、硫化物及氯化物的浓度进行了检测分析。