Beaulieu JK, Tank JL, Hamilton SK, et al. Nitrous oxide emission from denitrification in stream and river networks. Proceedings of the National Academy of Sciences of the United States of America. 2011;108:214 -219. doi:10.1073/pnas.1011464108.

Bernot MJ, Sobota DJ, Hall RO, et al. Inter-regional comparison of land-use effects on stream metabolism. Freshwater Biology. 2010;55:1874 -1890. doi:10.1111/j.1365-2427.2010.02422.x.

O'Brien JM, Dodds WK. Saturation of NO3- uptake in prairie streams as a function of acute and chronic N exposure. Journal of the North American Benthological Society. 2010;29:627 -635. doi:10.1899/09-021.1.

Mulholland PJ, Hall RO, Sobota DJ, et al. Nitrate removal in stream ecosystems measured by 15N addition experiments: Denitrification. Limnology and Oceanography. 2009;54:666 -680. doi:10.4319/lo.2009.54.3.0666.

Hall, Jr. RO, Tank JL, Sobota DJ, et al. Nitrate removal in stream ecosystems measured by 15N addition experiments: Total uptake. Limnology and Oceanography. 2009;54:653 -665. doi:10.4319/lo.2009.54.3.0653.

O'Brien JM, Dodds WK. Ammonium uptake and mineralization in prairie streams: chamber incubation and short-term nutrient addition experiments. Freshwater Biology. 2008;53:102 -112. doi:10.1111/j.1365-2427.2007.01870.x.

O'Brien JM, Dodds WK. Predicting NH4+ uptake andmineralization in prairie streams by using chamber incubation and short-termnutrient addition experiments. Freshwater Biology. 2008;52:102 -112.

Mulholland PJ, Helton AM, Poole GC, et al. Stream denitrification across biomes and its response to anthropogenic nitrate loading. Nature. 2008;452:202 -207. doi:10.1038/nature06686.

O'Brien JM, Dodds WK, Wilson KC, Murdock JN, Eichmiller J. The saturation of N cycling in Central Plains streams: 15N experiments across a broad gradient of nitrate concentrations. Biogeochemistry. 2007;84:31 -49. doi:10.1007/s10533-007-9073-7.

O'Brien JM. Controls of nitrogen spiraling in Kansas streams.  2006;PhD Dissertation:1 -157. Available at: http://krex.k-state.edu/dspace/handle/2097/174.