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  • Stickney, E., L. Kunza, G. Hoffman, and K. Chowanski. 2021. Small land cover changes in the transboundary Kootenai River basin greatly alter water quality. River research and applications 37:605-614.

  • Chowanski, K., L. Kunza, G. Hoffman, L. Genzoli, and E. Stickney. 2020. River management alters ecosystem metabolism in a large oligotrophic river. Freshwater Science 39:534-548.

  • Chowanski, K.M., L.A., Kunza , P.V. Sundareshwar , L.A., P.J. Pellechia, R.A. Gleason , and C. Sandvik.  2019. Assessing wetland restoration using phosphorus compound classes as an indicator of biogeochemical function, in chapter: Building Resiliency to Changing Conditions in Wetland Management and Restoration Projects on Multiple Temporal and Spatial Scales, in Wetlands: Functions, Restoration and Wise Use. Springer. Pages 255-309.

  • Kunza, L. A., C. A. Gillis, J. Z. Haueter, J. N. Murdock, and J. M. O'Brien. 2018. Declining phosphorus as a potential driver for the onset of Didymosphenia geminata mats in N orth A merican rivers. River research and applications 34:1105-1110.

  • Vik, E. S., H. L. Sieverding, J. J. Punsal, S. J. Kenner, L. A. Kunza, and J. J. Stone. 2017. Timing of organic carbon release from mountain pine beetle impacted ponderosa pine forests in South Dakota. Water and Environment Journal 31:375-379.

  • Elwell, L. C., C.-A. Gillis, L. A. Kunza, and M. D. Modley. 2014. Management challenges of Didymosphenia geminata. Diatom research 29:303-305.

  • Kunza, L. A., and R. O. Hall. 2014. Nitrogen fixation can exceed inorganic nitrogen uptake fluxes in oligotrophic streams. Biogeochemistry 121:537-549.

  • Kunza, L. A., and R. O. Hall. 2013. Demographic and mutualistic responses of stream nitrogen fixers to nutrients. Freshwater Science 32:991-1004.

Publications

- Claude Bernard -

“The joy of discovery is certainly the liveliest that the mind of man can ever feel”

PUBLICATIONS & Presentations

Presentations

Oral

  • Kunza, L.A. South Dakota Mines PFOS/PFOA Research and Remediation. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Northwestern South Dakota Salinity Research, South Dakota Society for Range Management Meeting, October 18, 2021.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Understanding mechanisms of salt transport across a landscape to promote improvements in rangeland health, Northwest South Dakota, Society for Freshwater Science Annual Meeting, May 23-27, 2021.

  • Chowanski, K., L. Kunza, M. Halvorson. Increasing Water Temperatures Contribute to Population Declines of Managed Trout Populations in the Black Hills, South Dakota. Society of Freshwater Science annual meeting. May, 2021, Virtual.

  • Chowanski, K., and L. Kunza. Temporal and Spatial Patterns in Water Quality in the Big Sioux River Basin. Eastern South Dakota Water Conference. Brookings, SD. October 2019.

  • Chowanski, K., and L. Kunza. Tree cover and topography affect river ecosystem metabolism in the Black Hills, South Dakota. Western South Dakota Hydrology Conference. Rapid City, SD. April 2019.

  • Chowanski, K., L. Kunza, G Hoffman, L Genzoli, E Stickney. Longitudinal and Temporal Shifts in Kootenai River Ecosystem Metabolism. International Kootenai(y) Ecosystem Restoration Team Annual Meeting. Nelson, British Columbia. March, 2018.

  • Punsal, J., J. Stone, C. Rhodes, T. Fegel, H. Sieverding, L.A. Kunza, E. Vik. Quantitative and Fluorescence Analysis of Surface Water Organic Carbons in the Black Hills of SD Watersheds Impacted by the Mountain Pine Beetle. Western South Dakota Hydrology Conference, April 6, 2017.

  • Murray, K.E., L.A. Kunza, L.C. DeVeaux. Genetic Analyses of Potential Pathogenic Bacteria and Bacterial Communities Isolated from the Big Sioux River. SD Mines Research Symposium, April 4, 2017.

  • Murray, K.E., L.A. Kunza and L.C. DeVeaux. Pathogenic Bacteria in Rapid Creek. Rapid Creek Workshop at the Outdoor Campus West, March 15, 2017.

  • Kunza, L.A. Scaling Coupled Carbon and Nitrogen Gas Fluxes in Streams. ASLO Aquatic Sciences Meeting, February 27, 2017. 

  • Murray, K.E., L.A. Kunza, L.C. DeVeaux. Establishing Pathogenicity Profiles of Bacteria along Selected Reaches of Rapid Creek, Skunk Creek, and the Big Sioux River. Eastern South Dakota Water Conference, October 27, 2016.

  • Murray, K.E., L.A. Kunza, and L.C. DeVeaux. DNA Characterization of Rapid Creek Bacterial Population. West Dakota Water Development District, July 12, August 16 and October 11, 2016.

  • DeVeaux, L.C., L.A. Kunza and K.E. Murray. What's in Our River Water? Dakota Rural Action 29th Annual Meeting, October 8, 2016.

  • DeVeaux, L.C., L.A. Kunza, and K.E. Murray. Establishing Gene Fingerprints of Pathogenic Bacteria in South Dakota. South Dakota Public Health Association Conference, Keynote Address, June 29-30, 2016.

  • Kunza, L.A., J.Z. Haueter, C.M. Schiller, and S.A. Spaulding. Didymosphenia geminata in Grand Teton National Park, WY: Distribution, mat stoichiometry, and biogeochemistry.  Annual meeting of the Society for Freshwater Science, May 22-26, 2016.

  • Punsal, J.*, E. Vik *, H. Sieverding, S. Kenner, L.A. Kunza, and J. Stone. 2016. Geochemical impacts of mountain pine beetles on Rapid Creek, SD. Western South Dakota Hydrology Conference, April 7, 2016, Rapid City, SD.

  • L.A. Kunza and R.W. Marlow. Does Didymosphenia geminata alter benthic resource availability and macroinvertebrate diet selection? Western South Dakota Hydrology Conference, April 7, 2016, Rapid City, SD. 

  • Haueter, J.Z. *, and L.A. Kunza. Rock snot and nutrients: How are Didymosphenia geminata mats influencing nutrient cycling in streams? SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD.

  • Murray*, K.E., L.C. DeVeaux, L.A. Kunza.  Establishing Gene Fingerprints of Pathogenic Bacteria along Selected Reaches of Rapid Creek.  SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD. 

  • Kunza, L.A. Rock snot: now what? Black Hills Ecology Symposium, March 10, 2016.

  • Murray, K.E., L.C. DeVeaux, and L.A. Kunza. Pathogenicity Potential of Bacteria in Selected Locations along Rapid Creek and the Big Sioux River. Invited Lecture USGS Rapid City, SD, March 4, 2016.

  • Murray, K.E., L.C. DeVeaux, and L.A. Kunza. Pathogenicity Potential of Bacteria in Selected Locations of the Big Sioux River. Final Report Presentation East Dakota Water Development District, February 18, 2016. 

  • Kunza, L.A., and C.A. Gillis. 2015.  Transitions in understanding Didymosphenia geminata. Society for Freshwater Science Conference. Milwaukee, WI.

  • Madinger, H.*, L.A. Kunza, R.O. Hall, and J. Haueter*. 2015. Comparison of diel nitrogen fixation flux measurements. Society for Freshwater Science Conference. Milwaukee, WI. 

  • Haueter, J.Z.*, and L.A. Kunza. 2015. Comparing nutrient cycling and metabolism in streams containing varying amounts of Didymosphenia geminata mat coverage in Grand Teton National Park. Western SD Hydrology Conference.

  • Vik, E., J. Stone, S. Kenner, H. Sieverding, L.A. Kunza and J. Stamm. 2015. Potential organic carbon exports within the upper Rapid Creek watershed due to the current mountain pine beetle outbreak. Western SD Hydrology Conference. 

  • Kunza, L.A. 2015. Resiliency of stream biofilms to alterations in climate and flow regime. Western SD Hydrology Conference. 

  • Sundareshwar, P.V., L. Iyer, A. Iyer, S. Gautam*, L. A. Kunza.  2015. P starvation response in rice plant rhizospheres. Society for Wetland Science. 

  • Kunza L.A., P.V. Sundareshwar, S.A. Spaulding, S. Gautam*, and I. Bishop. 2014. Response of Didymosphenia geminata to altered phosphorus and iron availability. Joint Aquatic Sciences Meeting.

  • Madinger, H.L., L.A. Kunza, R.O. Hall. 2014. Measurement of stream nitrogen fixation with membrane-inlet mass spectrometry. Joint Aquatic Sciences Meeting.

  • Sundareshwar, P.V., L. Iyer, A. Iyer, S. Gautam*, L. A. Kunza. 2013. Iron oxidation in the rhizosphere of the wetlands plants is a starvation response. Conference of the Coastal and Estuarine Research Federation.

  • S. Gautam*, P.V. Sundareshwar, L.A. Kunza, S.C. Neubauer, C.J. Richardson. 2013. Short-term litter decomposition in coastal wetlands. Society for Wetland Science.

  • Kunza, L.A., K. Chowanski*, P.V. Sundareshwar, C. Sandvik*, R. Gleason, P. Pellachia. 2013. Assessing wetland restoration using P-NMR: Linking structure and biogeochemical function. Society for Freshwater Science annual meeting. 

  • P.V. Sundareshwar, L.M. Iyer, L. Aravind, L.A. Kunza, S. Gautam*, and C. Sandvik*. 2013. Does sulfation of Didymo stalks facilitate iron adsorption and phosphorus concentration in mats? International Didymo Conference.

Poster

  • Bheemasetti, T., B. Lingwall, L. Kunza. Evaluating Resiliency of PFAS Technologies with Climate Change. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Capehart, W., D. Clabo, S. Geza, L. Kunza. Climate Change Guidance for Remediation and Resiliency. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Chowanski, K., L. Kunza. Linking land use and river management to ecosystem functions in support of restoration efforts and management for endangered fish in the Kootenai River. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Fekrmandi, H., L, Kunza, R. K. Motkuri, S. Ragi, H. Sieverding, D. Waterman, K. Won. Bio-Hazard Environmental Assessment Contaminant Observation Network Sensors. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Kozak, P., L. Kunza, K. Chowanski, D. Heglund. Understanding mechanisms of salt transport across a landscape to promote improvements in rangeland health, Northwest South Dakota. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Lingwall, B., T. Bheemasetti, L. Li, L. Kunza, S. Dhiman. Geotechnical and Geoenvironmental Engineering – For Department of Defense Applications. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Waterman, D., L. Kunza. PFAS in Surface Water Associated With Military Installations: Pathways, Fate, and Transport. Black Hills Defense & Industry Symposium. Rapid City, SD. March 2022.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Rangeland salinity degrades impoundments and soil quality in Northwest South Dakota. South Dakota Mines Student Research Symposium, April 9, 2021.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Impoundment salinity in Northwest South Dakota, Society Range Management Annual Meeting, February 15, 2020.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Characterizing rangeland salinization in Northwest South Dakota. Western South Dakota Hydrology Conference, April 11, 2019.

  • Kozak, P., Kunza, L., Chowanski, K., Heglund, D., Assessing impacts of salinization on water and rangeland in Northwest South Dakota. South Dakota Mines Student Research Symposium, April 9, 2019.

  • Chowanski, K., and L. Kunza. Tree cover and topography affect river ecosystem metabolism in the Black Hills, South Dakota.  Black Hills Area Botany & Ecology Workshop. Rapid City, SD. March 2019.

  • Chowanski, K., and L. Kunza. Sustainable Management of Land and Water Resources. Black Hills Industry and Defense Symposium. Rapid City, SD. September 2018.

  • Chowanski, K., and L. Kunza. Kunza Aquatic Ecology Lab at South Dakota School of Mines and Technology. Black Hills Area Botany & Ecology Workshop. Rapid City, SD. March 2018.

  • Stickney, E.K. and L.A. Kunza. Nutrient Uptake in the Kootenai River & Koocanusa Reservoir. Western South Dakota Hydrology Conference, April 6, 2017. *2nd place poster*.

  • Halvorson, M. and L.A. Kunza. Temperature: An analysis of the relationship to benthic macro invertebrates and fisheries management. Western South Dakota Hydrology Conference, April 6, 2017. 

  • Stickney, E.K. and L.A. Kunza. Examining Water Stoichiometry in the Kootenai River & Koocanusa Reservoir. SD Mines Research Symposium, April 4, 2017

  • Halvorson, M. and L.A. Kunza. Modeling temperature to examine potential thermal refuges in Rapid Creek. SD Mines Research Symposium, April 4, 2017.

  • Erickson, M.N., K.E. Murray, L.A. Kunza and L.C. DeVeaux. Genetic Fingerprint of the Bacteria Found in Surface Water of the Big Sioux River. SD Mines Research Symposium, April 4, 2017.

  • Johnson, K.T., L.A. Kunza and E.K. Stickney. The Investigation of Didymosphenia geminate in Mid-Atlantic Watersheds. SD Mines Research Symposium, April 4, 2017.

  • Clemmons, T.S., J.Z. Haueter, L.A. Kunza, and R. Foote. Algal Composition in the Nutrient Removal Facility Influences Nutrient Removal From Lake Kampeska. South Dakota Academy of Science Annual Meeting, April 1, 2017.

  • Stickney, E.K. and L.A. Kunza. Distribution of Phosphorous & Nitrate in the Kootenai River & Koocanusa Reservoir. ASLO Aquatic Sciences Meeting, February 27, 2017.

  • Halvorson, M. and L.A. Kunza. Influence of temperature gradient on macroinvertebrate assemblages in Rapid Creek. Midwest Fisheries and Wildlife Conference, February 8, 2017.

  • Spaulding, S.A., I.W. Bishop, E. Shani, PV. Sundareshwar, G. Hoffman, and L.A. Kunza. Experimental determination of the role of iron on the growth of Didymophenia geminata. International Diatom Symposium, Quebec, Canada, August 22-26, 2016. 

  • Clemmons, T.S.*+, J.Z. Haueter*, and L.A. Kunza. Examining differences in algal composition in Lake Kampeska and the nutrient removal facility.  South Dakota Academy of Science Annual Meeting, April 8-9, 2016. 

  • Murray*, K.E., L.A. Kunza, L.C. DeVeaux.  Establishing gene Fingerprints of Pathogenic Bacteria along selected reaches of Rapid Creek, Skunk Creek, and the Big Sioux River.  Western South Dakota Hydrology Conference, April 7, 2016, Rapid City, SD. *2nd place poster-tie*.

  • Clemmons, T.S.*+, J.Z. Haueter*, and L.A. Kunza. Optimizing algal composition may influence nutrient removal from surface water. Western South Dakota Hydrology Conference, April 7, 2016, Rapid City, SD. 

  • Preston*, A., L.A. Kunza, L.C. DeVeaux.  Identifying Bacterial Genes encoding Antimicrobial Resistance in selected areas of the Big Sioux River. Western South Dakota Hydrology Conference, April 7, 2016, Rapid City, SD. *2nd place poster-tie*.

  • Clemmons, T.S.*+, J.Z. Haueter*, and L.A. Kunza. Differences in phytoplankton in Lake Kampeska and the nutrient removal facility affects nutrient removal. SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD. 

  • Davalos, M.*+, R. Marlow*, and L.A. Kunza. Which macroinvertebrates consume Didymosphenia geminata in Rapid Creek? SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD. 

  • Stickney, E. *+, and L.A. Kunza. Presence and abundance of Didymosphenia geminata in Grand Teton National Park. SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD. 

  • Storm, J.*+, M. Davalos*+, J.Z. Haueter*, and L.A. Kunza. How does the difference in stream gradient affect macroinvertebrate consumption of Didymosphenia geminata? SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD. 

  • Sayler*+, S., K.E. Murray*, L.C. DeVeaux, and L.A. Kunza.  Pathogenicity Potential of Fundamental Regions of the Big Sioux River.  SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD.

  • Preston*, A., L.C. DeVeaux, L.A. Kunza.  Identification of Bacterial Genes that Encode Antibiotic Resistance in Selected Areas of the Big Sioux River.  SD Mines 7th Annual Student Research Symposium, April 5, 2016, Rapid City, SD.  

  •  Davalos, M.*+, R. Marlow*, and L.A. Kunza. BMI consumption of Didymosphenia geminata in Rapid Creek.  Black Hills Ecology Symposium, March 10, 2016. 

  • Schiller, C.*, J.Z. Haueter*, L.A. Kunza, and S. Spaulding. 2015. Historical abundance of Didymophenia geminata in Grand Teton National Park, Wyoming. Society for Freshwater Science Conference. Milwaukee, WI. 

  • Haueter, J.Z.* and L.A. Kunza. 2015. Influence of Didymosphenia geminata mats on stream metabolism and nutrient cycling. Society for Freshwater Science Conference. Milwaukee, WI. 

  • Clemmons, T.S., J.Z. Haueter, L.A. Kunza, and R. Foote. The effect of Algal Composition on Nutrient Removal. SD Mines Research Symposium, April 4, 2015.

  • Schiller, C.*, J.Z. Haueter* and L.A. Kunza. 2015. Recent paleontological record of Didymosphenia geminata in Grand Teton National Park. Western SD Hydrology Conference.

  • K. Murray*, L.A. Kunza, and L. DeVeaux. 2015. Establishing gene fingerprints of pathogenic bacteria along selected reaches of Rapid Creek. Western SD Hydrology Conference. *1st place poster- tie*

  • Freed, B., S. Kenner, J. Stamm, J.Stone, L.A. Kunza. 2015. Simulation of the effects of deforestation on headwater streams in the Black Hills, western South Dakota. Western SD Hydrology Conference.

  • McGeary, J. *and L.A. Kunza. 2014. Impacts of D. geminata on benthic macro-invertebrate abundance, biomass, and secondary production in Rapid Creek, S.D. Western SD Hydrology Conference [Poster Presentation] **2nd place poster**

  • Marlow, R.* and L.A. Kunza. 2014. Benthic macro-invertebrate diet selection in Rapid Creek, South Dakota. Western SD Hydrology Conference.

  • Haueter, J.Z.* and L.A. Kunza. 2014. Comparing nutrient demands and metabolism in two lake outlet streams containing Didymosphenia geminata in Grand Teton National Park. Western SD Hydrology Conference.

  • Gautam, S.*, P.V. Sundareshwar, L.A. Kunza, S. Neubauer, C. Richardson. 2013. Interactions between litter and soil nutrients in leaf litter decomposition of coastal wetlands. Conference of the Coastal and Estuarine Research Federation.

  • Kunza, L.A., A.M. Oschner*, and R.O. Hall. 2013. Didymosphenia geminata presence in Grand Teton National Park and a nuisance bloom.  International Didymo Conference.

  • C. Sandvik*, R. Pillsbury, P.V. Sundareshwar, and L.A. Kunza. 2013. The effects of iron on growth of Didymosphenia geminata. International Didymo Conference.

  • K.M. Chowanski*, L.A. Kunza, P.V. Sundareshwar, P.J. Pellechia, R. A. Gleason, C. Sandvik*. 2013. Assessing wetland restoration with phosphorus forms: Linking biogeochemical function and plant community structure.  Black Hills Area Botany and Ecology Workshop.

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