Publications

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Journal Article
L. A. Schulte, Asbjornsen, H., Liebman, M., and Crow, T. R., Agroecosystem restoration through strategic integration of perennials, Journal of Soil and Water Conservation, vol. 61, p. 164A-169A, 2006.
R. M. Maher, Asbjornsen, H., Kolka, R. K., Cambardella, C. A., and Raich, J. W., Changes in soil respiration across a chronosequence of tallgrass prairie reconstructions, Agriculture, ecosystems & environment, vol. 139, pp. 749-753, 2010.
S. Secchi, Tyndall, J., Schulte, L. A., and Asbjornsen, H., High crop prices and conservation: Raising the stakes, Journal of Soil and Water Conservation, vol. 63, p. 68A-73A, 2008.PDF icon Secchi et al. 2008 JSWC.pdf (968.32 KB)
V. Hernandez-Santana, Zhou, X., Helmers, M. J., Asbjornsen, H., Kolka, R., and Tomer, M., Native prairie filter strips reduce runoff from hillslopes under annual row-crop systems in Iowa, USA, Journal of HydrologyJournal of Hydrology, vol. 477, pp. 94-103, 2013.
M. Perez-Suarez, Castellano, M. J., Kolka, R., Asbjornsen, H., and Helmers, M., Nitrogen and carbon dynamics in prairie vegetation strips across topographical gradients in mixed Central Iowa agroecosystems, Agriculture, Ecosystems, and Environment, vol. 188, p. 11, 2014.
X. Zhou, Helmers, M. J., Asbjornsen, H., Kolka, R., Tomer, M. D., and Cruse, R. M., Nutrient removal by prairie filter strips in agricultural landscapes, Journal of Soil and Water Conservation, vol. 69, pp. 54-64, 2014.
X. Zhou, Helmers, M. J., Asbjornsen, H., Kolka, R., and Tomer, M. D., Perennial filter strips reduce nitrate levels in soil and shallow groundwater after grassland-to-cropland conversion, Journal of environmental quality, vol. 39, pp. 2006-2015, 2010.
L. A. Schulte, Niemi, J., Helmers, M. J., Liebman, M., Arbuckle, J. G., James, D. E., Kolka, R. K., O'Neal, M. E., Tomer, M. D., Tyndall, J. C., Asbjornsen, H., Drobney, P., Neal, J., Van Ryswyk, G., and Witte, C., Prairie strips improve biodiversity and the delivery of multiple ecosystem services from corn–soybean croplands, PNAS, 2017.
L. A. Schulte, Niemi, J., Helmers, M. J., Liebman, M., Arbuckle, J. G., James, D. E., Kolka, R. K., O'Neal, M. E., Tomer, M. D., Tyndall, J. C., Asbjornsen, H., Drobney, P., Neal, J., Van Ryswyk, G., and Witte, C., Prairie strips improve biodiversity and the delivery of multiple ecosystem services from corn–soybean croplands, PNAS, 2017.
J. Gutierrez-Lopez, Asbjornsen, H., Helmers, M., and Isenhart, T., Regulation of soil moisture dynamics in agricultural fields using strips of native prairie vegetation, Geoderma, vol. 226, pp. 238-249, 2014.
H. Asbjornsen, Shepherd, G., Helmers, M., and Mora, G., Seasonal patterns in depth of water uptake under contrasting annual and perennial systems in the Corn Belt Region of the Midwestern US, Plant and Soil, vol. 308, pp. 69-92, 2008.
M. J. Helmers, Zhou, X., Asbjornsen, H., Kolka, R., Tomer, M. D., and Cruse, R. M., Sediment removal by prairie filter strips in row-cropped ephemeral watersheds, Journal of environmental quality, vol. 41, pp. 1531-1539, 2012.
H. Asbjornsen, Hernandez-Santana, V., Liebman, M., Bayala, J., Chen, J., Helmers, M., Ong, C. K., and Schulte, L. A., Targeting perennial vegetation in agricultural landscapes for enhancing ecosystem services, Renewable Agriculture and Food Systems, vol. 29, pp. 101-125, 2014.
H. Asbjornsen, Mora, G., and Helmers, M. J., Variation in water uptake dynamics among contrasting agricultural and native plant communities in the Midwestern US, Agriculture, ecosystems & environment, vol. 121, pp. 343-356, 2007.
M. J. Helmers, Zhou, X., Asbjornsen, H., and Kolka, R., Water quality benefits of perennial filter strips in row-cropped watersheds, 2011.
L. A. Garibaldi, Oddi, F. J., Miguez, F. E., Bartomeus, I., Orr, M. C., Jobbágy, E. C., Kremen, C., Moore, L. A. Schulte, Hughes, A. C., Bagnato, C., Abramson, G., Bridgewater, P., Carella, D. Gomez, Díaz, S., Dicks, L. V., Ellis, E. C., Goldenberg, M., Huaylla, C. A., Kuperman, M., Locke, H., Mehrabi, Z., Santibañez, F., and Zhu, C. - D., Working landscapes need at least 20% native habitat, Conservation Letters, 2020.
Report
J. Arbuckle, Iowa Farm and Rural Life Poll - 2020 Summary Report, Iowa State University Extension and Outreach, Ames, Iowa, 2020.PDF icon soc3094.pdf (930.35 KB)
J. Arbuckle, STRIPS Collaborator Survey: 2019 Results, Iowa State University Department of Sociology, Ames, IA, 2020.PDF icon arbuckle_2020_strips_collaborator_survey_2019_str1058.pdf (2.68 MB)
J. G. Arbuckle, STRIPS Cooperator Follow-On Survey: 2015 Results, Iowa State University Department of Sociology, 1042, 2016.PDF icon Arbuckle 2016 -- STRIPS cooperators feedback.pdf (1.11 MB)
J. G. Arbuckle, STRIPS Cooperator Follow-On Survey: 2016 Results, Iowa State University, Ames, IA, Sociology Technical Report 1049, 2017.PDF icon arbuckle_2017_strips_2016_cooperators_survey_report_v2.pdf (1.52 MB)
J. G. Arbuckle, STRIPS Cooperator Survey: 2017 Results, Iowa State University Department of Sociology, Ames, Iowa, 2018.PDF icon strips_cooperator_survey_2017_stc_1052.pdf (2.55 MB)
J. G. Arbuckle, STRIPS Cooperator Survey 2018 results, 2019.PDF icon arbuckle_2019_cooperator_survey_str1057.pdf (3.37 MB)
L. A. Schulte, Asbjornsen, H., Atwell, R. C., Hart, C., Helmers, M., Isenhart, T., Kolka, R., Liebman, M., Neal, J., O'Neal, M., Schultz, R., Secchi, S., Thompson, J., Tomer, M., and Tyndall, J., Targeted conservation approaches for improving water quality: Multiple benefits for expanded opportunities, Iowa State University, Ames, Iowa, PMR 1002, 2008.PDF icon Schulte et al. 2008 ISUExt.PMR1002.pdf (2.12 MB)
L. A. Schulte, Asbjornsen, H., Atwell, R. C., Hart, C., Helmers, M., Isenhart, T., Kolka, R., Liebman, M., Neal, J., O'Neal, M., Schultz, R., Secchi, S., Thompson, J., Tomer, M., and Tyndall, J., Targeted conservation approaches for improving water quality: Multiple benefits for expanded opportunities, Iowa State University, Ames, Iowa, PMR 1002, 2008.PDF icon Schulte et al. 2008 ISUExt.PMR1002.pdf (2.12 MB)