School of Public and Environment Affairs
The Royer Labortatory
PUBLICATIONS

Griffiths, N.A., J.L. Tank, T.V. Royer, T.J. Warrner, T.C. Frauendorf, E.J. Rosi-Marshall, and M.R. Whiles. 2011. Temporal variation in organic carbon spiraling in Midwestern agricultural streams. Biogeochemistry In Press. DOI 10.1007/s10533-011-9585-z PDF

Tank, J.L., E.J. Rosi-Marshall, T.V. Royer, M.R. Whiles, N.A. Griffiths, T.C. Frauendorf, and D.J. Treering. 2010. Occurrence of maize detritus and a transgenic insecticidal protein (Cry1Ab) within the stream network of an agricultural landscape.  Proceedings of the National Academy of Sciences 107:17645-17650. PDF

Chambers, C.P.,  M.R. Whiles, E.J. Rosi-Marshall, J.L. Tank, T.V. Royer, N.A. Griffiths, M.A. Evans-White, and A. Stojak. 2010. Responses of stream macroinvertebrates to Bt maize leaf detritus. Ecological Applications 20:1949-1960.PDF

Gardner, K.M. and T.V. Royer. 2010. Effect of road salt application on seasonal chloride concentrations and toxicity in south-central Indiana streams. Journal of Environmental Quality 39:1036–1042. PDF

Warrner, T.J., T.V. Royer, J.L. Tank, N.A. Griffiths, E.J. Rosi-Marshall, and M.R. Whiles. 2009. Dissolved organic carbon in streams from artificially drained and intensively farmed watersheds in Indiana, USA. Biogeochemistry 95:295–307. PDF

Gentry, L.E., M.B. David, F.E. Below, T.V. Royer, and G.F. McIsaac. 2009. Nitrogen mass balance of a tile-drained agricultural watershed in east-central Illinois. Journal of Environmental Quality 38:1841–1847.

Griffiths, N.A., J.L. Tank, T.V. Royer, E.J. Rosi-Marshall, M.R. Whiles, C.P. Chambers, T.C. Frauendorf, M.A. Evans-White. 2009. Rapid decomposition of maize detritus in agricultural headwater streams. Ecological Applications 19:133–142. PDF

McDaniel, M.D., M.B. David, and T.V. Royer. 2009. Relationships between benthic sediments and water column phosphorus in Illinois streams. Journal of Environmental Quality 38:607–617. PDF

Royer, T.V., M.B. David, L.E. Gentry, C.A. Mitchell, K.M. Starks, T. Heatherly, and M.R.   Whiles. 2008. Assessment of chlorophyll-a as a criterion for establishing nutrient standards in the streams and rivers of Illinois. Journal of Environmental Quality 37:437–447. PDF

Das, M., T.V. Royer, and L.G. Leff. 2008. Fungal communities on decaying leaves in streams: A comparison of two leaf species. Mycological Progress 7:267–275. PDF

Rosi-Marshall, E.J., J.L. Tank, T.V. Royer, M.R. Whiles, M. Evans-White, C. Chambers, N.A.  Griffiths, J. Pokelsek, and M.L. Stephen. 2007. Toxins in transgenic crop byproducts may affect headwater streams.  Proceedings of the National Academy of Sciences 104:16204–16208. PDF

Heatherly, T., M.R. Whiles, T.V. Royer, and M.B. David. 2007. Relationships between habitat quality, water quality, and macroinvertebrate assemblages in Illinois streams. Journal of Environmental Quality 36:1653–1660. PDF

Arango, C.P., J.L. Tank, J.L. Schaller, T.V. Royer, M.J. Bernot, and M.B. David. 2007. Benthic organic carbon influences denitrification in streams with high nitrate concentration. Freshwater Biology 52:1210–1222. PDF

Das, M., T.V. Royer, and L.G. Leff. 2007. Diversity of fungi, bacteria, and actinomycetes on leaves decomposing in a stream.  Applied and Environmental Microbiology 73:756–767.   PDF

Gentry, L.E., M.B. David, T.V. Royer, C.A. Mitchell, and K.M. Starks. 2007. Phosphorus transport pathways to streams in tile-drained agricultural watersheds. Journal of Environmental Quality 36:408–415. PDF

David, M.B., L.G. Wall, T.V. Royer, and J.L. Tank. 2006. Denitrification and the nitrogen budget of a reservoir in an agricultural landscape. Ecological Applications 16:2177–2190. PDF

Royer, T.V., M.B. David, and L.E. Gentry. 2006. Timing of riverine export of nitrate and phosphorus from agricultural watersheds in Illinois: implications for reducing nutrient loading to the Mississippi River. Environmental Science & Technology 40:4126–4131. PDF

Figueroa-Nieves, D., T.V. Royer, and M.B. David. 2006. Controls on chlorophyll-a in nutrient-rich agricultural streams in Illinois, USA. Hydrobiologia 568:287–298. PDF

Morgan, A.M., T.V. Royer, M.B. David, and L.E. Gentry. 2006. Relationships among nutrients, chlorophyll-a, and dissolved oxygen in agricultural streams in Illinois. Journal of Environmental Quality 35:1110–1117. PDF

Bernot, M.J., J.L. Tank, T.V. Royer, and M.B. David. 2006. Nutrient uptake in streams
            draining agricultural catchments of the midwestern United States. Freshwater Biology
            51:499–509. PDF

Thomas, S.A., T.V. Royer, E.B. Snyder, and J.C. Davis. 2005. Organic carbon spiraling in an
            Idaho river. Aquatic Sciences 67:424–433. PDF

Royer, T.V. and M.B. David.  2005.  Export of dissolved organic carbon from agricultural
            streams in Illinois, USA.  Aquatic Sciences 67:465–471. PDF

Wall, L.G., J.L. Tank, T.V. Royer, and M.J. Bernot.  2005.  Spatial and temporal variability
            in sediment denitrification within an agriculturally influenced reservoir.  Biogeochemistry
            76:85–111. PDF

Schaller, J.L., T.V. Royer, M.B. David, and J.L. Tank. 2004.  Denitrification associated with
            plants and sediments in an agricultural stream.  Journal of the North American
            Benthological Society 23:667–676. PDF

Royer, T.V., J.L. Tank, and M.B. David. 2004. Transport and fate of nitrate in headwater
            agricultural streams in Illinois. Journal of Environmental Quality 33:1296–1304. PDF

Royer, T.V. and G.W. Minshall. 2003. Controls on leaf processing in streams from spatial-
            scaling and hierarchical perspectives. Journal of the North American Benthological
            Society 22:352–358. PDF

Royer, T.V. and G.W. Minshall. 2001. Effects of nutrient enrichment and leaf quality on the
            breakdown of leaves in a hardwater stream. Freshwater Biology 46:603–610. PDF

Royer, T.V., C.T. Robinson, and G.W. Minshall. 2001. Development of a macroinvertebrate-
            based index for bioassessment of Idaho rivers. Environmental Management 27:627–636. 

Minshall, G.W., T.V. Royer, and C.T. Robinson. 2001. Response of the Cache Creek
            macroinvertebrates during the first 10 years following disturbance by the 1988
            Yellowstone wildfires. Canadian Journal of Fisheries and Aquatic Sciences 58:1077–
            1088.

Robinson, C.T., G.W. Minshall, and T.V. Royer. 2000. Inter-annual patterns in
            macroinvertebrate communities of wilderness streams in Idaho, USA. Hydrobiologia
            421:187–198.

Royer, T.V., M.T. Monaghan, and G.W. Minshall. 1999. Processing of native and exotic leaf
            litter in two Idaho (USA) streams. Hydrobiologia 400:123–128.

Royer, T.V. and G.W. Minshall. 1997. Temperature patterns in small streams following
            wildfire. Archiv für Hydrobiologie 140:237–242.

Royer, T.V. and G.W. Minshall. 1997. Rapid breakdown of autochthonous and allochthonous
            plant material in a eutrophic river. Hydrobiologia 344:81–86.

Minshall, G.W., C.T. Robinson, T.V. Royer, and S.R. Rushforth. 1995. Benthic community
            structure in two adjacent streams in Yellowstone National Park five years after the 1988
            wildfires. Great Basin Naturalist 55:193–200.