Livesley, S. J., Ossola, A., Threlfall, C. G., Hahs, A. K., Williams, N.S.G. 2015. Soil Carbon and Carbon/Nitrogen Ratio Change under Tree Canopy, Tall Grass, and Turf Grass Areas of Urban Green Space. Journal of Environmental Quality. Volume 45, Number 1. Pages 215-223

agriculture, groundwater, nutrients, pollutant, Pollution Prevention, riparian buffers, runoff, turfgrass, urban, Soil, Vegetation, Nitrogen, Soil organic matter

https://dl.sciencesocieties.org/publications/jeq/articles/45/1/215

The researchers in this experiment sampled soils from underneath tree canopies, tall grasses, and short grasses in 13 urban greenscapes in order to assess their abilities to buffer nitrogen leaching.