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Kan

Tidal Rivers Biofingerprinting Sediment: Resolving Sediment Connectivity Between Rivers and Estuaries by Tracking Particles With Their Microbial Genetic Signature

 800 532 Stroud Water Research Center

Sediment flowing from rivers to estuaries is a double-edged sword: too much sediment can harm oyster beds but not enough sediment can starve tidal marshes. Measuring whether a river is…

Source Tracking and Spatial/Temporal Dynamics of Bacterial Contaminants in Red Clay Creek

 800 532 Stroud Water Research Center

Scientists monitored fecal indicator bacteria on a monthly basis at the east and west branches of the Red Clay Creek watershed. Funded by: Starrett Foundation Principal Investigators 2021–2022: Jinjun Kan,…

Soil Microbes and Bean Nutrients in Organic and Conventional Systems

 800 532 Stroud Water Research Center

Little is known regarding soil microbes and nutrition levels in vegetables under different farming practices. We are connecting soil microbial community structure, extracellular enzyme activity, and nutrient density in green/black…

Saturated, Suffocated, and Salty: Hotspots of Dissimilatory Nitrate Reduction in Anoxic Riparian Soils

 800 532 Stroud Water Research Center

This project investigates the origin of the nitrogen stored in the riparian soils above milldams, the dominant processes controlling its transformation, and its risk of being released into the stream.…

Restoration Project Impact Assessment in Support of Delaware River Watershed Initiative

 800 532 Stroud Water Research Center

This project quantifies the positive impacts of restoration projects on water quality and soil health associated with the Delaware River Watershed Initiative. (Project details may change over the lifespan of…

Recovery of Nutrient Processes and Microbial Communities in Relict Hydric Soils Following Restoration

 800 532 Stroud Water Research Center

This research explores how microbes and biogeochemical processes in buried relict soils evolve after restoration and how these organisms and processes can be harnessed to remove nitrogen before it pollutes…

Monitoring Fish Populations and Stream Habitat Quality for the National Park Service

 800 532 Stroud Water Research Center

This project monitors biological conditions, water quality, habitat integrity, and fish at 37 sites in 10 national parks in the National Capital Region Network around Washington, D.C. The findings of…

Molecular Ecology of Archaea in Aquatic and Terrestrial Environments

 800 532 Stroud Water Research Center

Less is known about Archaea than the other two domains of life on Earth (Bacteria and Eukarya), particularly the role they play in ecosystem functions and nutrient cycling (e.g., ammonia…

Mitigating Agricultural Pollution of Fresh Water and Combating Climate Change by Restoring Soil Health

 800 532 Stroud Water Research Center

Plowing, disking, synthetic fertilizers, and pesticides have damaged the health of agricultural soils, resulting in reduced rainfall infiltration and storage, increased stormwater and pollutant runoff, degraded streams, and contaminated groundwater.…

Microbial Population Dynamics of Periphyton Biofilms in White Clay Creek

 800 532 Stroud Water Research Center

Using glass microscope slides as tiny gardens to grow microbial biofilms, this project explored differences in microorganisms between three reaches of White Clay Creek with different streamside vegetation. Molecular DNA…