Nitrogen and salt enrichments to wetland mesocosms

Freshwater wetlands of the temperate north are exposed to a range of pollutants that may alter their function, including salt intrusion associated with sea level rise, road salt contamination, and nitrogen enrichment from agricultural and urban runoff, though it is largely unknown how these drivers of change interact with different plant species to affect wetland carbon (C) fluxes and microbial communities. We implemented a full factorial mesocosm (378.5L tanks) experiment to investigate how three common wetland plants of eastern North America (Phragmites australis, Spartina pectinata, Typha latifolia) respond to four water quality treatments (fresh water, sea salt, road salt, nitrogen).