Publications (Clicking on the reprint icon will take you to the publication reprint.)

Surface water and groundwater nitrogen dynamics in a well drained riparian forest within a poorly drainged agricultural landscape - (Peer Reviewed Journal)

Griffith, S.M., Davis, J.H., Wigington, P.J. 2011. Surface water and groundwater nitrogen dynamics in a well drained riparian forest within a poorly drainged agricultural landscape. Journal of Environmental Quality. 40:505-516.

Nutrient and sediment transport on flood irrigated pasture in the Klamath Basin, Oregon - (Peer Reviewed Journal)

Ciotti, D., Griffith, S.M., Kann, J., Baham, J. 2010. Nutrient and sediment transport on flood irrigated pasture in the Klamath Basin, Oregon. Rangeland Ecology and Management. 63:308-316.

Detection of overparameterization and overfitting in an automatic calibration of SWAT - (Peer Reviewed Journal)

Whittaker, G.W., Confesor, R., DiLuzio, M.D., Arnold, J.G. 2010. Detection of overparameterization and overfitting in an automatic calibration of SWAT. Transactions of the ASABE. 53:1487-1499.

Mineral Concentration in Selected Native Temperate Grasses with Potential Use as Biofuel Feedstock - (Peer Reviewed Journal)

El Nashaar, H.M., Griffith, S.M., Steiner, J.J., Banowetz, G.M. 2009. Mineral Concentration in Selected Native Temperate Grasses with Potential Use as Biofuel Feedstock. Bioresource Technology. 100:3526-3531.

Nitrate-Nitrogen, Landuse/Landcover, and Soil Drainage Associations at Multiple Spatial Scales - (Peer Reviewed Journal)

Floyd, W.C., Schoenholtz, S.H., Griffith, S.M., Wigington, P.J., Steiner, J.J. 2009. Nitrate-Nitrogen, Landuse/Landcover, and Soil Drainage Associations at Multiple Spatial Scales. Journal of Environmental Quality. 38:1473-1482.

Mineral accumulation by perennial grasses in a high rainfall environment - (Peer Reviewed Journal)

Banowetz, G.M., Griffith, S.M., Steiner, J.J., El Nashaar, H.M. 2009. Mineral accumulation by perennial grasses in a high rainfall environment. Energy and Fuels. 23:984-988.

Mineral content of grasses grown for seed in low rainfall areas of the Pacific Northwest and analysis of ash from gasification of bluegrass (Poa pratensis L.) straw - (Peer Reviewed Journal)

Banowetz, G.M., Griffith, S.M., El Nashaar, H.M. 2009. Mineral content of grasses grown for seed in low rainfall areas of the Pacific Northwest and analysis of ash from gasification of bluegrass (Poa pratensis L.) straw. Energy and Fuels. 23:502-506.

Genotypic Variability in Mineral Composition of Switchgrass - (Peer Reviewed Journal)

El Nashaar, H.M., Banowetz, G.M., Griffith, S.M., Casler, M.D., Vogel, K.P. 2009. Genotypic Variability in Mineral Composition of Switchgrass. Bioresource Technology. 100:1809-1814.

GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops - (Peer Reviewed Journal)

Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2008. GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops. Weed Science. 56:647-669.

THREE-YEAR GIS OF WESTERN OREGON GRASS SEED CROPPING PRACTICES - (Experiment Station)

Mueller Warrant, G.W., Whittaker, G.W., Griffith, S.M., Banowetz, G.M., Garcia, T.S., Giannico, G.R., Mccomb, B.C. 2008. Three-year gis of western oregon grass seed cropping practices. Seed Production Research at Oregon State University.127:37-40.

Assessing trade-offs between crop production and ecological services: the Calapooia Basin - (Experiment Station)

Colvin, R.W., Giannico, G.R., Herlihy, A.T., Gerth, W.J., Confessor, R.B., Fare, R.G., Garcia, T.S., Griffith, S.M., Grosskopf, S.P., Mccomb, B.C., Whittaker, G.W., Mueller Warrant, G.W. 2008. Assessing trade-offs between crop production and ecological services: the Calapooia Basin. Seed Production Research at Oregon State University. 127: 78-79.

MINERAL CHARACTERIZATION OF TEMPERATE GRASSES FROM A HIGH RAINFALL ENVIRONMENT - (Experiment Station)

Banowetz, G.M., El Nashaar, H., Griffith, S.M., Steiner, J.J. 2008. Mineral characterization of temperate grasses from a high rainfall environment. Seed Production Research at Oregon State University. 127: 70-72.

GENOTYPIC VARIABILITY IN MINERAL ACCUMULATION BY GRASSES FROM LOW RAINFALL AREAS OF THE WESTERN U.S. - (Experiment Station)

Banowetz, G.M., El Nashaar, H., Griffith, S.M. 2008. Genotypic variability in mineral accumulation by grasses from low rainfall areas of the western u.s.. Seed Production Research at Oregon State University. 127: 73-77.

EFFECTS OF BAITS AND BAIT ALTERNATIVES ON SLUG MORTALITY, EGG PRODUCTION, AND SEEDLING SURVIVAL - (Experiment Station)

Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W. 2008. Effects of baits and bait alternatives on slug mortality, egg production, and seedling survival. Seed Production Research at Oregon State University. 127:12-17.

Denitrification and Nitrate Consumption in an Herbaceous Riparian Area and Perennial Ryegrass Seed Field - (Peer Reviewed Journal)

Davis, J.H., Griffith, S.M., Horwath, W.R., Steiner, J.J., Myrold, D.D. 2008. Denitrification and Nitrate Consumption in an Herbaceous Riparian Area and Perennial Ryegrass Seed Field. Soil Science Society of America Journal. 72:1299-1310.

Assessment of Straw Biomass Feedstock Resources in the Pacific Northwest - (Peer Reviewed Journal)

Banowetz, G.M., Boateng, A.A., Steiner, J.J., Griffith, S.M., Sethi, V., El Nashaar, H. 2008. Assessment of Straw Biomass Feedstock Resources in the Pacific Northwest. Biomass and Bioenergy, 32, 629-634.

A HYBRID GENETIC ALGORITHM FOR MULTIOBJECTIVE PROBLEMS WITH ACTIVITY ANALYSIS-BASED LOCAL SEARCH - (Peer Reviewed Journal)

Whittaker, G.W., Confesor, R., Griffith, S.M., Fare, R., Grosskopf, S., Steiner, J.J., Mueller Warrant, G.W., Banowetz, G.M. 2007. A hybrid genetic algorithm for multiobjective problems with activity analysis-based local search. European Journal of Operations Research.193:195-203.

Mitigation of Shallow Groundwater Nitrate in a Poorly Drained Riparian Area and Adjacent Cropland - (Peer Reviewed Journal)

Davis, J.H., Griffith, S.M., Horwath, W.R., Steiner, J.J., Myrold, D.D. 2007. Mitigation of Shallow Groundwater Nitrate in a Poorly Drained Riparian Area and Adjacent Cropland. Journal of Environmental Quality.36:628-637.

EARTHWORMS AND THEIR IMPACT ON SLUG CONTROL - (Experiment Station)

Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W. 2007. Earthworms and their impact on slug control. Seed Production Research at Oregon State University.Department of Crop & Soil Science Ext/CrS 126 04/2007 P 22-27.

BEHAVIORIAL AND BIOLOGICAL EFFECTS OF WEATHER ON THE GRAY FIELD SLUG IN WESTERN OREGON - (Experiment Station)

Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Steiner, J.J., Whittaker, G.W. 2007. Behaviorial and biological effects of weather on the gray field slug in western oregon. Seed Production Research at Oregon State University. Department of Crop & Soil Science Ext/CrS 126 P 28-33.

Temporal Changes in Tall Fescue Straw Residue Degradation - (Experiment Station)

Griffith, S.M., Gavin, W.E. 2007. Temporal Changes in Tall Fescue Straw Residue Degradation. Seed Production Research at Oregon State University. Department of Crop & Soil Science Ext/CrS 126 P 19-21.

Fish and Amphibian Use of Vegetated and Non-vegetated Intermittent Channels in the Upper Willamette Basin - (Experiment Station)

Colvin, R.W., Boyer, K.S., Giannico, G.R., Li, J.L., Griffith, S.M. 2007. Fish and Amphibian Use of Vegetated and Non-vegetated Intermittent Channels in the Upper Willamette Basin. Seed Production Research at Oregon State University. Department of Crop & Soil Science Ext/CrS 126. P 60.

Spatial Clustering of Grass Seed Weeds - (Experiment Station)

Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2007. Spatial Clustering of Grass Seed Weeds. Seed Production Research at Oregon State University. Department of Crop & Soil Science. Ext /CrS 126 P. 53-59.

Insights into the Hydrology of the Willamette River Basin Using d18O of Water during Summer Baseflow Conditions - (Abstract Only)

Johnson, H.M., Anderson, C., Kendall, C., Lajtha, K., Mcdonnell, J.J., Frentress, J., Griffith, S.M., Grove, R. Insights into the Hydrology of the Willamette River Basin Using d18O of Water during Summer Baseflow Conditions. American Geophysical Union Meeting Abstracts. Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract B13A-1061

Tracing Sources of Nitrate and Organic Matter in the Willamette River Basin during Summer Baseflow Conditions using Isotopic Techniques - (Abstract Only)

Kendall, C., Lajtha, K., Mcdonnell, J.J., Johnson, H., Anderson, C., Frentress, J., Griffith, S.M., Grove, R.A. 2006. Tracing Sources of Nitrate and Organic Matter in the Willamette River Basin during Summer Baseflow Conditions using Isotopic Techniques. American Geophysical Union Meeting Abstracts. Eos Trans. AGU, 87(52) Fall Meeting Suppl., Abstract B13A-1059

Automatic Calibration of Hydrologic Models with Multi-Objective Evolutionary Algorithm and Pareto Optimization - (Peer Reviewed Journal)

Confesor, R.B., Whittaker, G.W. 2007. Automatic Calibration of Hydrologic Models with Multi-Objective Evolutionary Algorithm and Pareto Optimization . Journal of the American Water Resources Association.43:1-9.

Developing an Historical Landuse Record for Sub-Basins of the Calapooia River Watershed in Oregon - (Abstract Only)

(31-Jul-06)

Multi-objective Automatic Calibration of a Semi-distributed Watershed Model Using Pareto Ordering Optimization and Genetic Algorithm - (Proceedings)

Confesor, R.B., Whittaker, G.W. 2006. Multi-objective Automatic Calibration of a Semi-distributed Watershed Model Using Pareto Ordering Optimization and Genetic Algorithm. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). V 6 Paper Number 062128.

Spatial Display of Agronomic Data While Preserving Grower Confidentiality - (Other)

Mueller Warrant, G.W., Whittaker, G.W., Young, W. 2006. Spatial Display of Agronomic Data While Preserving Grower Confidentiality. ESRI Conference Proceedings. Map ID 250.

GIS Analysis of Crop Rotation and Stand Age Effects on Grass Seed Weeds - (Experiment Station)

Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2006. Gis analysis of crop rotation and stand age effects on grass seed weeds. Seed Production Research at Oregon State University. EXT/CrS 125, 4/06. Pages 10-13

Santiam Canal: Water Quality through Urban and Rural Landscapes - (Experiment Station)

Griffith, S.M. 2006. Santiam Canal: Water Quality through Urban and Rural Landscapes. Seed Production Research at Oregon State University. EXT CrS 125 04/06 56-60

Comparison of Nitrogen Fertilizers: Effects on Kentucky bluegrass (Poa pratensis L.) Grown for Seed - (Experiment Station)

Griffith, S.M., Murray, G.A. 2006. Comparison of Nitrogen Fertilizers: Effects on Kentucky bluegrass (Poa pratensis L.) Grown for Seed. Seed Production Research at Oregon State University. EXT/CrS 125, 4/06 pages 75-79.

SEED PRODUCTION - (Book / Chapter)

Steiner, J.J., Springer, T.L. 2007. Seed Production. In: Moore, K.J., Barnes, R.F., Nelson, C.J., Collins, M., editors. Forages: The Science of Grassland Agriculture, 6th Edition. Ames, IA: Blackwell Publishing. p. 453-464.

CONSERVATION PRACTICES IN WESTERN OREGON PERENNIAL GRASS SEED SYSTEMS. I: IMPACTS OF DIRECT SEEDING AND MAXIMAL RESIDUE MANAGEMENT ON PRODUCTION - (Peer Reviewed Journal)

(06-Oct-05)

ASSOCIATIONS OF WINTER BIRDS WITH RIPARIAN CONDITION IN THE LOWER CALAPOOIA WATERSHED, OREGON - (Peer Reviewed Journal)

(30-Jun-05)

EFFECTS OF DIRECT SEEDING AND FULL CHOP-BACK RESIDUE MANAGEMENT IN PERENNIAL - (Experiment Station)

Steiner, J.J., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W., Banowetz, G.M., Elliott, L.F. 2005. Effects of direct seeding and full chop-back residue management in perennial. Seed Production Research at Oregon State University.

SEASONAL RELATIONSHIPS BETWEEN DISSOLVED NITROGEN AND WOODY VEGETATION AT MULTIPLE SPATIAL SCALES IN THE CALAPOOIA RIVER WATERSHED, OREGON, USA - (Abstract Only)

Floyd, W.C., Schoenholtz, S.H., Griffith, S.M., Wigington, P.J., Steiner, J.J. 2005. Seasonal relationships between dissolved nitrogen and woody vegetation at multiple spatial scales in the Calapooia River watershed, Oregon, USA. In Proceedings of the AWRA Specialty Conference: Institutions for Sustainable Watershed Management: Reconciling Physical and Management Ecology in the Asia-Pacific. June 2005, Hawaii.

ECOLOGICAL FITNESS OF ACETOLACTATE SYNTHASE INHIBITOR–RESISTANT AND –SUSCEPTIBLE DOWNY BROME (BROMUS TECTORUM) BIOTYPES - (Peer Reviewed Journal)

Park, K., Mallory-Smith, C.A., Ball, D.A., Mueller Warrant, G.W. 2004. Ecological fitness of acetolactate synthase inhibitor–resistant and –susceptible downy brome (bromus tectorum) biotypes. Weed Science.52(5):768-773.