Curriculum Vitae for: Date 12/30/15

AMY JO BURGINUniversity of Kansas and Kansas Biological Survey

Departments of Environmental Studies and Ecology & Evolutionary Biology Takeru Higuchi Hall, 2101 Constant Ave., Lawrence, KS 66047

E-mail: burginam@gmail.com or burginam@ku.eduURL: http://burginlab.weebly.com/index.html

http://scholar.google.com/citations?user=mesiHAsAAAAJhttps://www.researchgate.net/profile/Amy_Burgin

Research Interests: Aquatic ecosystem ecology and biogeochemistry; the effects of global change on biogeochemical cycles; microbial metabolic diversity.

Education:2007 Ph.D. in Zoology and Ecology, Evolutionary Biology and Behavior (EEBB)

from Michigan State University and Kellogg Biological StationDissertation Title: Alternative microbial pathways of nitrate removal from freshwater ecosystemsDissertation Advisor: Dr. Stephen K. Hamilton

2002 B.A. in Biology and Environmental Science (minors in Chemistry and Spanish), magna cum laude, Coe College, Cedar Rapids, IA

Professional Experience:01/2016 Associate Professor, Environmental Studies and Ecology and

Evolutionary Biology Departments, University of KansasAssociate Scientist, Kansas Biological Survey, University of Kansas

08/2015 Associate Professor, School of Natural Resources, University of Nebraska09/2011-15 Assistant Professor, School of Natural Resources, University of Nebraska2009-11 Assistant Professor, Earth & Environmental Science, Wright State U

Adjunct Assistant Professor, W.K. Kellogg Biological Station2007-09 Postdoctoral Research, Cary Institute of Ecosystem Studies, Millbrook, NY.

Advisor: Dr. Peter Groffman 2007 Participant, Marine Biological Lab (MBL) Microbial Diversity course2002-07 Research Assistant: Lotic Intersite Nitrogen eXperiment (LINX2),

Long-Term Ecological Research, KBS Land Use Planning Committee2002-05 Teaching Assistant, Michigan State University2001 Participant, Associated Colleges of the Midwest Costa Rica Term2000 Participant, Institute of Ecosystem Studies (IES) Research Experience

for Undergraduates (REU)

Honors:2015 UNL College of Ag. Sci. and Nat. Res. Holling Family Junior Teaching Award

2014-2016 Co-Chair of the 2016 Annual meeting of the Society for Freshwater Science2013 Excellence in Reviewing Recognition, Top 25 Reviewers for Biogeochemistry2012 Young Alum Award from Coe College2009 New Phytologist award from the Biogeosciences section of ESA2008 Participant Eco-DAS VIII (Ecological Dissertations in Aquatic

Sciences, formerly DIALOG)

Awarded Grants (2 active):2015-2018: Connecting Soil O2 and Greenhouse Gas Fluxes. Co PI with T.

Loecke (lead-PI). NSF-DEB-Ecosystems ($699,241)2014-2016: Biogeochemical controls on saline wetland plant establishment in

Nebraska’s Eastern Saline Wetlands. Sole PI. Saline Partnership and NE Game & Parks ($119,720)

2014-2016: Do phosphorus cycling time lags delay the response of lakes to ecological restoration? Sole PI. Nebraska Department of Environmental Quality ($93,007)

2013-2016: Co-Aerial Ecologist: Robotic Water Sampling and Sensing in the Wild. Co-PI with lead PI C. Detweiler (Computer Science, UNL). USDA-NIFA ($956,210)

2013 Assessing the impact of nutrient enrichment on ecosystem services provided by surface waters in Nebraska and beyond. Co-PI with lead PI S. Thomas. UNL Hatch Equipment Funds. ($66,000)

2012-2014: RAPID: Using a drought-enhanced nitrate pulse to understand stream N retention and processing. Lead PI with co PIs T. Loecke, D. Riveros-Iregui, S. Thomas (UNL), A. Ward (UI) and M. St. Clair (Coe). NSF-Ecosystems $197,568.

2012-2014: Use RUSLE2 to Assess Sedimentation and Water Quality Conditions in the Rainwater Basin’s Playa Wetlands. Co PI with Lead PI Zhenghong Tang (UNL) Regional Wetland Program Development Grants via the EPA ($135,722).

2012-2015: Fremont State Lakes Renovation Study: The Effects of Alum Application and Fishery Renovation on Water Quality; Role: Lead PI with coPIs S. Thomas, M. Pegg and K. Pope. NE Dept. Environ. Quality: $240,448 direct costs, $166,069 UNL match (total = $406,517); $20K supplement in 2014 to collect additional Al toxicity data; $50K supplement in 2015 to extend monitoring to a third year.

2011-2014: Converting aglands to wetlands: How do created wetlands affect global warming potential? ($648,798) Funded by the US Dept of Agriculture (USDA)/NASA joint program on Carbon Cycle Science. Lead PI submission with TD Loecke (EPA; Co-PI).

2011-2012: Does Alum Addition Affect Benthic Communities and Metal and Nutrient Cycling? ($29,695) Funded by Ohio Water Resources Center 104b program. Co-PI submission with C. Hammerscmidt (lead) and G. Nogaro.

2010-2014: Coupled C, N and S cycling in coastal plain wetlands: how will climate change and saltwater intrusion alter ecosystem dynamics?

($1.2 million total; WSU portion is $307,051) National Science Foundation, DEB-Ecosystems Joint with collaborators (PI) ES Bernhardt (Duke U) and G Poole (Montana State) 2011 REU supplement to support Sarah Harvey (total) and ROA supplement to support collaboration with K. Hopfensperger (NKU, total = $31,235)2012 REU supplement to support Katie Schlafke (total = $6,125)

2010 Global Warming Potential of a Wetland Mitigation Bank in Southwest Ohio ($10,000). Funded by Wright State University Research Council

2007 Smithsonian Post-doctoral Fellowship ($42,000) (Funded, declined)

2007 Marine Biological Lab Scholarships ($3350) to attend Microbial Diversity MSU Educational Enhancement Award ($2200) to attend Microbial DiversityLong-Term Ecological Research (LTER) Cross-site Synthesis Grant ($7500)

Kominoski, J., Manhey, W., Adams, H., Ball, B., Burgin, A, Crenshaw, C., H., Jones, H., Kane, E., Loecke, T.,Prather, C., Robinson, T., Sobota, D., Solomon, C., The influence of changes in terrestrial plant community structure on aquatic ecosystem function across the LTER network.

2005 NSF Doctoral Dissertation Improvement Grant (DDIG; $12,000) “Dissertation Research: Importance of novel microbial pathways of nitrate uptake

in freshwater sediments”Kellogg Biological Station LTER Graduate Student Grant ($1500)MSU Zoology Shaver Award ($1700) for travel to the University of Texas Marine Science Institute (UTMSI) for research

2004 Sigma Xi Grant in aid of Research (GIAR; $693)2001 Morris K. Udall Foundation Scholarship for Environmental Science

and Policy ($5000)

Grants Under Review or Unfunded (since 2011):System responses to variable water and nutrient availability: from microbial to

societal scales. Burgin Co-PI with 33 other collaborators across 4 universities. Submitted 5 August 2015 to NSF EPSCoR - $20M requested.

Saline wetland plant community and biogeochemical feedbacks as controls on restoration success in Nebraska. Submitted 5/21/2015 to EPA. ($174,928)

Collaborative Research: Iron oxide-organic matter coprecipitates and controls on N2O yields? Submitted 1/16/15 to NSF Geobiology. Co-PI with lead-PI Tim Vadas (UConn) ($267,108) Unfunded.

Influence of Climate Variation on Carbon Cycling in the Prairie Pothole Region. Submitted 7/31/13 to USDA/NASA/NOAA joint program on Carbon Cycle Science. Co-PI with Lead PI T. Loecke. ($1,134,792) Unfunded.

Coupling of Copper Dynamics and Denitrification Activity in Wetland Systems: Impacts on Cu Mobility and N2O production. Submitted 7/16/13 to NSF Geobiology. Co-PI with lead-PI Tim Vadas (UConn) ($245,544) Unfunded.

NSF Preliminary Proposal: Coupling greenhouse gas emissions to soil O2 dynamics at the aquatic-terrestrial interface. Submitted to NSF Ecosystems, Jan 2013, not invited.

NSF Preliminary Proposal: RUI: Hydrologic regulation of nitrogen dynamics and greenhouse gas emissions in wetlands: respond and recovery to drought-induced pulsing. Submitted to NSF Ecosystems, Jan 2013, not invited.

Predicting the occurrence and ecological effects of chemicals of emerging concern (CEC) in aquatic environments. ($499,819) Co-PI with lead PI D. Snow. Submitted Feb 2013 to USDA-NIFA (recommended, unfunded, 23 August 2013)

The Greenhouse Gas Balance of Restored Wetlands in Nebraska: A Landscape Analysis ($99,745) lead-PI with collaborators T Loecke and D. Riveros-Irequi. Submitted to UN – Nebraska Research Initiative competition. (submitted October 2011, unfunded)

Sustainability of wetland ecosystem services in agricultural landscapes with different adaptive capacities ($413,610). Primary mentor for the Science Engineering and Education for Sustainability (SEES) post-doctoral fellowship application of Ms. Jennifer Schmitz. (Submitted December 2011, unfunded)

Managing Wetlands for Multiple Uses in Developing and Emerging Countries: Balancing Food Production with Other Ecosystem Services. Submitted (4/12) to UNL Water for Food Grant via Daugherty Water for Food Institute. Lead PI with Co-PIs Ed Harvey, Steve Thomas, Kenneth Irvine, Gretchen Gettel and Anne van Dam ($15,000; May 2012 unfunded)

Coupling of copper dynamics and denitrification activity in wetland systems: impacts on Cu mobility and N2O production. Submitted 7/16/12 to NSF Geobiology. Co-PI with lead-PI Tim Vadas (UConn) ($253,063) Unfunded.

Peer-Reviewed Publications (*denotes invited paper, postdocs, grad or #undergrad students)

2015 Detweiler, C., J.P. Ore, D. Anthony, S. Elbaum, A. Burgin and A. Lorenz. 2015. Bringing Unmanned Aerial Systems Closer to the Environment. Environmental Practice 00: 1-13.Jarecke, K.M., T.D. Loecke and A.J. Burgin. Coupled soil oxygen and greenhouse gas dynamics under variable hydrology. In revision for Soil Biology & Biochemistry.Herbert, E.R., P. Boon, A.J. Burgin, S.C. Neubauer, R.B. Franklin, M. Ardon, K.N, Hopfensperger, L. Lamers and P. Gell. Salinization of freshwater wetlands: A cross-ecosystem synthesis. Accepted at EcoSphere. This manuscript is a synthesis product of a special session I co-organized (with S. Neubauer) at the 2012 SWS/INTECOL meeting.Ore, J.P., S. Elbaum, A.J. Burgin and C. Detweiler. Autonomous Aerial Water Sampling. Journal of Field Robotics 0:00 1-19. DOI: 10.1002/rob21591.

2014 Schoepfer, V.A., E.S. Bernhardt, and A.J. Burgin. Iron-Clad Wetlands: Soil iron-sulfur buffering determines coastal wetland response to salt water incursion. Accepted pending revision at JGR-Biogeosciences. Payn, R., A.M. Helton, G.C. Poole, C. Izurieta, A.J. Burgin and E.S. Bernhardt. A generalized mechanistic model for applying thermodynamic, kinetic Ecological Modeling 294: 1-18.Nogaro, G., and A.J. Burgin. Influence of bioturbation on denitrification and dissimilatory nitrate reduction to ammonium (DNRA) in freshwater sediments. Biogeochemistry 120: 279-294.Davis, C.A., A.S. Ward, A.J. Burgin, T.D. Loecke, D.A. Riveros-Iregui, D. Schnoebelen, D. Just, S.A. Thomas, L. Weber, and M. St. Clair. Antecedent moisture controls on stream nitrate flux in an agricultural watershed, Clear Creek, Iowa. Journal of Environmental Quality 43: 1494-1503.Hopfensperger, K.N., A.J. Burgin, V.A. Schoepfer, A.M Helton. Impacts of saltwater incursion on plant communities, anaerobic microbial metabolism and resulting relationships in a restored freshwater wetland. Ecosystems 17: 792-807. DOI: 10.1007/s10021-014-9760-x

2013 Burgin, A.J., J Hyman, P.M. Groffman, A.J. Gold and D.Q. Kellogg. (2013) Balancing nitrogen retention ecosystem services and greenhouse gas disservices at the landscape scale. Ecological Engineering 56: pp. 26-35 DOI: 10.1016/j.ecoleng.2012.05.003Nogaro, G. A.J. Burgin, V.A. Schoepfer, M.J. Konkler, K.L. Bowman, C.R. Hammerschmidt. (2013) Aluminum sulfate (alum) application interactions with coupled metal and nutrient cycling in a hypereutrophic lake ecosystem. Environmental Pollution 176: 267-274.Bertilsson, S. A.J. Burgin, C.C. Carey, S.B. Fey, H.P. Grossart, L. Grubisic, I. Jones, G. Kirillin, J.T. Lennon, A. Shade, R. L. Smyth. (2013) The under-ice

microbiome of seasonally frozen lakes. Limnology & Oceanography 58 (6): 1998-2012.Kulkarni, M. V., A. J. Burgin, P. M. Groffman, and J. B. Yavitt (2013), A comparison of denitrification rates as measured using direct flux and 15N tracer methods in northeastern forest soils. Biogeochemistry. (Online DOI: 10.1007/s10533-013-9876-7)Ore, J., S. Elbaum, A. Burgin, B. Zhao, C. Detweiler, Autonomous Aerial Water Sampling. The 9th Intl. Conf. on Field and Service Robots (FSR). Brisbane, Australia, Dec. 2013.Dodds, W.K., J.R. Webster, C.L. Crenshaw, A. M. Helton, J. M. O'Brien, E. Marti, A.E. Hershey, J. L. Tank, A.J. Burgin, N. B. Grimm, S. K. Hamilton, D. J. Sobota, G. C. Poole, J.J. Beaulieu, L.T. Johnson, L.R. Ashkenas, R. O. Hall Jr., S. L. Johnson, W. M. Wollheim, and W. B. Bowden. (Accepted) Strategies for successful collaborative ecological research: the Lotic Intersite Nitrogen Experiments. Journal of Freshwater Science.

2012 Burgin, A.J., S.K. Hamilton, S.E. Jones and J.T. Lennon. (2012) Denitrification by sulfur-oxidizing bacteria in a eutrophic lake. Aquatic Microbial Ecology 66: 283-293.Izurieta C, G. Poole, R.A. Payn, I. Griffith, R. Nix, A. Helton, E. Bernhardt, and A.J. Burgin. (2012) Development and Application of a Simulation Environment (NEO) for Integrating Empirical and Computational Investigations of System-Level Complexity. 2012 International Conference on Information Science and Applications Proceedings.Burgin A.J. and P.M. Groffman. (2012) Soil O2 controls denitrification rates and N2O yield in a riparian wetland. JGR-Biogeosciences

2011 Raciti, SM., A.J. Burgin, P.M. Groffman, D. Lewis, T.J. Fahey. Denitrification in suburban lawn soils. Journal of Environmental Quality 40: 1932-1940.Burgin A.J., S.K. Hamilton, W. Yang, and W. Silver. Beyond C and N: How the microbial energy economy couples elemental cycles in diverse ecosystems. Frontiers in Ecology and the Environment 9: 44-52. *This is an invited paper for a special issue of Frontiers that grew from an NSF sponsored special session on Coupled Biogeochemical Cycles held at ESA in 2009*Findlay SEG, PJ Mulholland, SK Hamilton, JL Tank, MJ Bernot, AJ Burgin, CL Crenshaw, WK Dodds, NB Grimm, WH McDowell, JD Potter, and DJ Sobota. Cross-stream comparison of substrate specific denitrification potential. Biogeochemistry 104: 381-392.Beaulieu, JJ and 27 others including A.J. Burgin. Nitrous oxide emission from denitrification in stream and river networks. Proceedings of the National Academy of Sciences 108: 214-219.

2010 Burgin A.J, PM Groffman and D.N. Lewis. Patterns of soil O2 drive denitrification in riparian ecosystems. Soil Science Society of America Journal 74: 1826-1833.

Larsen LG, S. Moseman, A. Santoro, K. Hopfensperger, and A.J. Burgin. Eco-DAS: A complex systems approach to predicting effects of sea level rise and N loading on N cycling in coastal wetland ecosystems. pg 67-92 in P.F. Kemp (ed.) Eco-DAS VIII Symposium Proceedings. Published by ASLO.Harms TK, BL Reid, DJ Sobota, and AJ Burgin. Biogeochemical reaction and transport within hydrologic landscapes: crossing disciplinary and ecosystem boundaries. pg 146-165 in P.F. Kemp (ed.) Eco-DAS VIII Symposium Proceedings. Published by ASLO.

Bernot MJ, Sobota DJ, Mulholland PJ, Hall RO, Dodds WK, Webster JR, Tank JL, Ashkenas LR, Cooper LW, Dahm CN, Gregory SV, Grimm NB, Hamilton SK, Johnson SL, McDowell WH, Meyer JL, Peterson BJ, Poole GC, Valett HM, Arango CP, Beaulieu JJ, Burgin AJ, Crenshaw CL, Helton AM, Johnson LT, Merriam JL, Niederlehner BR, Potter JD, Sheibley RW, Thomas SM, Wilson KC. 2010. Land use homogenizes stream ecosystem function: inter-regional comparison of land-use effect on whole-stream metabolism. Freshwater Biology (55): 1874-1890.Groffman PM, C Stylinski, M. Nisbet, C. Duarte, R. Jordan, A.J. Burgin, A. Previtali, and J. Coloso. 2010. Restarting the conversation: Challenges at the interface between ecology and society. Frontiers in Ecology and the Environment (8): 284–291. *This is an invited paper for a special issue of Frontiers sponsored by the Cary Conference*

2009 #Payne, E.K., A.J. Burgin and S.K. Hamilton. Nitrate stimulation of sulfur oxidation in freshwaters: evidence from sediment nitrate manipulation using porewater equilibrators. 2009. Aquatic Microbial Ecology 54:233-241.Hall RO, Tank JL, Sobota DJ, Mulholland PJ, O'Brien JM, Dodds WK, Webster JR, Valett HM, Poole GC, Peterson BJ, Meyer JL, McDowell WH, Johnson SL, Hamilton SK, Grimm NB, Gregory SV, Dahm CN, Cooper LW, Ashkenas LR, Thomas SM, Sheibley RW, Potter JD, Niederlehner BR, Johnson LT, Helton AM, Crenshaw CL, Burgin AJ, Bernot MJ, Beaulieu JJ, Arango CP. Nitrate removal in stream ecosystems measured by 15N addition experiments: Total uptake. Limnology and Oceanography 54: 653-665. Mulholland PJ, Hall RO, Sobota DJ, Dodds WK, Findlay SEG, Grimm NB, Hamilton SK, McDowell WH, O'Brien JM, Tank JL, Ashkenas LR, Cooper LW, Dahm CN, Gregory SV, Johnson SL, Meyer JL, Peterson BJ, Poole GC, Valett HM, Webster JR, Arango CP, Beaulieu JJ, Bernot MJ, Burgin AJ, Crenshaw CL, Helton AM, Johnson LT, Niederlehner BR, Potter JD, Sheibley RW, Thomas SM. Nitrate removal in stream ecosystems measured by 15N addition experiments: Denitrification. Limnology and Oceanography 54: 666-680.

2008 Burgin, A.J. and S.K. Hamilton. NO3- driven SO4

2- production in freshwater ecosystems: implications for N and S cycling. 2008. Ecosystems 11:908-922.E.S. Kane, E.F. Betts, A.J. Burgin, H.M. Clilverd, C.L. Crenshaw, J.B. Fellman, I.H. Myers-Smith, J.A. O’Donnell, D.J. Sobota, W.J. Van Verseveld,

J.B. Jones. Precipitation control over nitrogen retention across watersheds: a synthesis of Long-Term Ecological Research. 2008. Ecohydrology 1: 105-117.Mulholland, P.J., A.M. Helton, G.C. Poole, R.O. Hall, S.K. Hamilton, B.J. Peterson, , J.L. Tank, L.R Ashkenas, L.W. Cooper, C.N. Dahm, W.K. Dodds, S. Findlay, S.V. Gregory, N.B. Grimm, S.L. Johnson, W.H. McDowell, J.L. Meyer, H. M. Valett, J.R. Webster, C. Arango, J.J. Beaulieu, M.J. Bernot, A.J. Burgin, C. Crenshaw, L. Johnson, J. Merrian, B.R. Niederlehmer, J.M. O’Brien, J. Potter, R.W. Sheibley, D.J. Sobota, S.M. Thomas. Stream denitrification across biomes and its response to anthropogenic nitrate loading. 2008. Nature 452: 202-206.

2007 Burgin, A.J. and S.K. Hamilton. Have we overemphasized the role of denitrification in aquatic ecosystems? A review of nitrate removal pathways. 2007. Frontiers in Ecology and the Environment 5(2): 89-96.

Manuscripts in Review or nearing submission (full-text available on request):

1. Loecke, T.D., K.M. Jarecke, and A.J. Burgin. Abiotic and biotic controls on soil O2 at the aquatic terrestrial interface. In review at JGR-Biogeosciences.

2. Loecke, T.D., A.J. Burgin, D.A. Riveros-Iregui, S.A. Thomas, A. S. Ward, C.A. Davis and M.A. St. Clair. Weather whiplash in agricultural regions creates unforeseen changes in water quality. In revision to submit to ES&T.

3. Reynolds, K.N., Loecke, T.D., A.J. Burgin, C.A. Davis, D.A. Riveros-Iregui, S.A. Thomas, M.A. St. Clair, and A. S. Ward. Optimizing Water Quality Sampling Strategy Using High-Frequency Nitrate Data. In review at Environmental Science & Technology.

Book Chapters:Dodds, W.K., A.J. Burgin, A.M. Marcarelli, and E.A. Strauss. 2016. Nitrogen Transformations. In Methods in Stream Ecology, 3rd Ed. Hauer and Lamberti, Eds.

Burgin A.J., S.K. Hamilton, M.J. McCarthy and W. Garnder. 2013. Methods for measuring NO3

- reduction processes in wetlands. Methods in Biogeochemistry of Wetlands, P. Megonigal and R. DeLaune, editors.

Non-Technical Writing:Burgin, A.J. What has a microbe done for you lately? ECO-FOCUS column for the Poughkeepsie Journal, published 14 September 2008.

Teaching Experience (U=undergraduate; G=graduate) : UNL: Limnology (U/G; Spring 2012, 2013, 2014), Microbial Biogeochemistry (G),

Classic Papers in Aquatic Ecology (G; Fall 2012), Writing Science Seminar (G; Fall 2013,14)

WSU: Environmental Microbiology (U/G; Spring 2010, 2011)Global Biogeochemical Cycles (U/G; Fall 2010)Wetlands and Climate Change Seminar (G, Spring 2011)

MSU TA: Biological Sciences 110 Laboratory (U; 3 semesters)Field Ecology and Evolution ZOL 440 (U; 1 semester)Eminent Ecologist Seminar Series (U/G; 2 semesters) Marine Biology ZOL 353 (U; 1 semester)

Teaching Lectures:N cycling in streams and lakes, University of Albany course entitled

Nitrogen: Atmosphere to Sea taught by Cary Institute scientists (10/2008)Aquatic ecosystem nutrient cycling, Cornell University’s Ecosystem Ecology

course (2/2009)Microbial Biogeochemistry. Cary Institute Frontiers in Ecosystem Ecology

course module (1/2008)

Student and Postdoctoral Mentoring:Current Postdoctoral Associate:

Keunyea Song, April 2014 – present, Ph.D. Kyung Hee University, South KoreaCurrent Graduate Students: NoneFormer Graduate Students:

Kaycee Reynolds, Aug 2013-May 2015. B.A. Coe College.Karla Jaercke, M.S. Student at UNL, August 2012 – May 2015. B.S.

Rockhurst U.Beginning Ph.D. at Oregon State U in Fall 2015

Christa Webber, M.S. Student at UNL, May 2012–Dec. 2014. B.A. NW MO State.Currently Environmental Compliance Officer at BH Energy

Valerie Schopfer, M.S. UNL, 2013; B.S. 2010 University of New Hampshire; awarded WSU Graduate Council Fellowship for 2 years of support

Current Undergraduate Students:Graduate Student Committee Member (*denotes current student):

*Olivia Healy, Ph.D. University of Nebraska, Lincoln, Advisor: Karrie WeberDanielle Haak, Ph.D. University of Nebraska, Lincoln, Advisor: Kevin PopeAlexis Paspalof, M.S. University of Nebraska, Lincoln, Advisor: Dan Snow*Jason Nolan, Ph.D. University of Nebraska, Lincoln, Advisor: Karrie Weber*Bridget Deemer, Ph.D. Washington State U, Advisor: John HarrisonNick Smeenk, Ph.D. University of Nebraska, Lincoln, Advisor: Craig Allen*Coriane Tatariw., Ph.D. University of Maine, Advisor: Kevin SimonKara Prior, M.S. student University of Iowa, Advisor: Adam Ward

Former Undergraduate Students:Cassie Chicorz, Environmental Restoration ScienceEllen Dolph, Fisheries and WildlifeCain Silvey, UCARE student and Environmental Restoration Major,

expected Dec 2014Katie Schlafke, Natural Resources Major, May 2015David Moscicki, Fisheries & Wildlife Major, May 2015Carrie Adkisson, Fisheries and Wildlife, Dec 2014Dayton Horton, Water ScienceLindsey Potter, Water ScienceAdam Buchli, Fisheries and Wildlife, May 2015Emily Waring, Biosystems Engineering, May 2014Emily Hoehn, UCARE student and Water Science, May 2014Alicia Lenners, Environmental Studies, UCARE, May 2013Nick Jenkins, UNL Fisheries & WildlifeMax Gade, Water Science Major, May 2012Jocelyn Olney, Biology, May 2012; NSF pre-doctoral award recipient

WSU Postdoc: Dr. Geraldine Nogaro, Ph.D. University of Lyon, FranceWSU Undergraduates:

Sarah Harvey, B.S. in Biology from WSU expected June 2012Erin Cull, B.S. in Biology from WSU expected June 2012Melanie Stall, B.S. in Biology from WSU expected June 2013

Michigan State and Cary Institute Former Students:Scott Crowley, Kalamazoo College Senior Individual Project (SIP), 2005 Erin Payne, Kalamazoo College SIP and REU, 2006 and 2007; currently a

Ph.D. student at U. MI Philip Riekenberg, University of Texas at Austin graduate intern from Jan-

Aug 2007; currently a Ph.D. student at Southern Cross University with Bradley Erye.

Evan Palmer-Young, Cary Inst. REU student and Cornell U. undergraduate, May-August 2008

Invited Seminars and Presentations (by topic/title):New Nitrogen Knowledge

University of Kansas (March 2015)The effects of droughts and floods on nitrogen loading to agricultural riverine networks

Washington State University (Nov 2013), University of Iowa (April 2014)Connecting the causes and consequences of global change for wetland ecosystems

U. Maine (Fall 2013), Indiana University (Spring 2011), Duke University (Fall 2011), Sam Houston State (Fall 2011), Kansas State (Fall 2011), University of Connecticut (Fall 2012), Nebraska Department of Environmental Quality (Spring 2012), UNL Civil and Environmental Engineering (Spring 2013), University of Maine (Sept 2013)

Microbial linkages in the nitrogen and sulfur cycles. Bowling Green State University, Miami University, University of Ohio, Northern Kentucky University Spring 2010Binghampton University, Wright State University, University of Wisconsin Oshkosh, Cornell University BEB program 2/2009Cary Institute of Ecosystem Studies 3/2008

Alternative microbial pathways of nitrate removal. Iowa State University 12/2007Nitrogen cycling in aquatic ecosystems. Colgate University 2/2007New Pathways: where do you go from here? Coe College 4/2006

First-Author Conference Presentations:*denotes an invited talk; italics indicate student co-author; underline indicates postdoc co-author

Burgin, A.J., T. Loecke, D. Riveros-Iregui, S. Thomas, A. Ward, C. A. Davis, and M. St. Clair. Weather whiplash in agricultural regions creates unforeseen changes in water quality. Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

*Burgin, A.J., T. Loecke, C. A. Davis, M. St. Clair, A. Ward, D. Riveros-Iregui, and S. Thomas. Drought-induced enrichment of soil nitrogen leads to record high nitrate loading to agricultural river networks. American Geophysical Union, San Francisco, CA, 8-14 December 2013.

*Burgin, A.J. C.A. Davis, T. Loecke, D. Riveros-Iregui, D. Schnoebelen, M. St. Clair, S. Thomas, A. Ward, and L. Weber. 2013. Flood and drought-enhanced variations in streamwater nitrate flux in agricultural watersheds. Ecological Society of America, Minneapolis, MN 2-8 August 2013.

Burgin, A.J., V.A. Schoepfer, A.M. Helton, E.S. Bernhardt. 2013. Saltwater driven alteration of microbial metabolism distribution in a coastal wetland. Society of Wetland Scientists, Duluth, MN. 2-7 June 2013.

Burgin, A.J., V.A. Schoepfer, A.M. Helton, M. Ardón, E.S. Bernhardt, R.A. Payn, G.C. Poole. 2012. How does saltwater intrusion alter anaerobic microbial metabolism in a freshwater wetland? 9th INTECOL International Wetlands Conference. Orlando, FL. June 2012.

*Burgin, A.J. and P.M. Groffman. Soil O2 controls denitrification rates and N2O yield in a riparian wetland. Society of Wetland Scientists (SWS) 3-8 July 2011, Prague CR.

Burgin, A.J. and P.M. Groffman. Oxygen controls denitrification rates and greenhouse gas production in a riparian wetland. Ecological Society of America (ESA) meeting, 1-6 August 2010, Pittsburgh, PA.

Burgin, A.J. and P.M. Groffman. Oxygen controls denitrification rates and end-products in a riparian wetland. Joint meeting of the American Society of Limnology and Oceanography (ASLO) and North American Benthological Society (NABS). 8 June 2010, Santa Fe, NM.

*Burgin, A.J. and S.K. Hamilton. Microbial linkages in the N and S cycles: experimental evidence from lakes and wetlands. Ecological Society of America (ESA) meeting, 3-8 August 2009, Albuquerque, NM. (New Phytologist Award from ESA Biogeosciences)

*Burgin, A.J., S.K. Hamilton, and P.M. Groffman. Ecosystem controls on N cycling: experimental evidence from lakes and wetlands. Society of Wetland Scientists (SWS) meeting, 17-22 June 2009, Madison, WI.

Burgin, A.J., S.K. Hamilton, S.E. Jones and J. Lennon. Nitrate use by sulfur bacteria in a stratified lake. North American Benthological Society (NABS) meeting, 17-22 May 2009, Grand Rapids, MI.

Burgin, A.J. and S.K. Hamilton. Carbon and sulfide as controls on nitrogen cycling in freshwater sediments. Ecological Society of America (ESA) meeting, 3-8 August 2008, Milwaukee, WI.

*Burgin, A.J. Alternative pathways of nitrate removal from freshwater ecosystems. Research Coordination Network (RCN) for Denitrification across Landscapes and Waterscapes. Horn Point Laboratory, MD, 27-30 May 2008.

Burgin, A.J., S.K. Hamilton, W. Gardner, and M. McCarthy. The relative importance of denitrification, dissimlatory nitrate reduction to ammonium (DNRA) and anaerobic ammonium oxidation (anammox) to overall nitrate removal in freshwater ecosystems. International Society of Limnology (SIL), Montreal, QC, Canada, 12-18 August 2007.

Burgin, A.J. and S.K. Hamilton. Carbon and sulfide as controls on dissimilatory nitrate reduction to ammonium (DNRA) in freshwater sediments. North American Benthological Society (NABS) meeting, 3-9 June 2007, Columbia, SC.

*Burgin, A.J., and S.K. Hamilton. Evidence for sulfur-driven nitrate removal in freshwater wetlands. 10th International Symposium on Wetland Biogeochemistry. Annapolis, MD. 1-4 April 2007. Awarded best student presentation.

*Burgin, A.J., W. Silver and W.K. Dodds. Alternative pathways of nitrate removal in aquatic and terrestrial ecosystems Co-led an invited workshop with Dr. Whendee Silver. Long-term Ecological Research All Scientists Meeting (LTER ASM), Estes Park, Co 20-23 Sept. 2006.

Burgin, A.J. and S.K. Hamilton. Whole-stream estimates of dissimilatory nitrate reduction to ammonium (DNRA): a 15N approach. Presented at the Ecological Society of America (ESA), 6-11 August 2006, Memphis, TN.

Burgin, A.J. and S.K. Hamilton. The importance of dissimilatory nitrate reduction to ammonium (DNRA) in freshwater sediments: Evidence from 15N tracer studies. Presented at the North American Benthological Society (NABS) meeting, 3-9 June 2006, Anchorage, AK.

*Burgin, A.J. and S.K. Hamilton. Nitrogen-sulfur coupling in freshwater ecosystems. Presented at the joint meeting of the North American Benthological Society (NABS) and American Geophysical Union (AGU), 23-27 May 2005, New Orleans, LA.

Burgin, A.J. Graduate Student Research at the Kellogg Biological Station LTER. Presented at the LTER Graduate Student Collaborative Research Symposium, April 2005, H.J. Andrews Experimental Forest, Blue River, OR.

Burgin, A.J. and S.K. Hamilton. Nitrogen-sulfur coupling in freshwater sediments: implications for nitrate removal from wetlands, streams and lakes. Presented at the annual meeting of the American Society of Limnology and Oceanography (ASLO) 20-25 February 2005, Salt Lake City, UT.

Burgin, A.J. and S.K. Hamilton. Nitrogen-sulfur coupling and denitrification in freshwater sediments. Presented at the annual meeting of the North American Benthological Society (NABS) 6-10 June 2004, Vancouver, British Columbia.

All co-authored talks and posters. Italics denotes a graduate student, underlined is postdoc, # is an undergrad student; *invited talk (since January 2011)Loecke, T.D., K.M. Jarecke, A.J Burgin and T. Franz. Using soil oxygen sensors

to inform understanding of soil greenhouse gas dynamics. Poster presented at American Geophysical Union annual meeting, San Francisco, 14-18 December 2015.

Burgin, A.J. and T.D. Loecke. The Biogeochemical Paradox of Redox: Rethinking our Understanding of the Redox Ladder across Aquatic and Terrestrial Ecosystems. Poster presented at American Geophysical Union annual meeting, San Francisco, 14-18 December 2015.

Rubol, S., T.D. Loecke, A.J Burgin and T. Franz. Modeling Soil Pore Oxygen in Restored Wetlands. Poster presented at American Geophysical Union annual meeting, San Francisco, 14-18 December 2015.

Jarecke, K.M., K. Song, T.D. Loecke, A.J. Burgin. Microbial response to environmental change:  Implications for wetland restoration. Oral Presentation, University of Nebraska Applied Ecology Seminars. Lincoln, NE. April, 2015. 

Jarecke, K.M., T.D. Loecke, A.J. Burgin. Coupling soil oxygen and greenhouse gas dynamics using high frequency sensor data. Poster Presentation, Future of Big Data Meeting. Lincoln, NE. November, 2014.

Reynolds, K.N.; Loecke, T.D.; Burgin, A.J.; Davis, C.A.; Riveros-Iregui, D.; Thomas, S.A.; Ward, A.S.; St. Clair, M.A. (November 2014). High-frequency Water Quality Monitoring to Quantify Uncertainties of Sampling Strategies in Agricultural Watersheds. The Future of Big Data: From Data to Knowledge. Lincoln, Nebraska. -- Awarded Second Place Poster

Reynolds, K.N.; Loecke, T.D.; Burgin, A.J.; Davis, C.A.; Riveros-Iregui, D.; Thomas, S.A.; Ward, A.S.; St. Clair, M.A. (March 2015). High-frequency Nitrate Monitoring to Quantify Uncertainties of Sampling Strategies in Agricultural Watersheds. School of Natural Resources Graduate Student Association Poster Contest. Lincoln, Nebraska

Reynolds, K.N.; Loecke, T.D.; Burgin, A.J.; Davis, C.A.; Riveros-Iregui, D.; Thomas, S.A.; Ward, A.S.; St. Clair, M.A.; (March 2015). Water Quality in

Agricultural Watersheds: Exploring Patterns, Fluxes and Uncertainties of Nitrate Using High-Resolution Data. Invited Seminar: Coe College. Cedar Rapids, IA.

Reynolds, K.N.; Loecke, T.D.; Burgin, A.J.; Davis, C.A.; Riveros-Iregui, D.; Thomas, S.A.; Ward, A.S.; St. Clair, M.A. (May 2015). High-Frequency Nitrate Sampling to Determine Sufficient Monitoring Strategies in Agricultural Watersheds. Society for Freshwater Science Annual Meeting. Milwaukee, WI.

K.M. Jarecke, T.D. Loecke, and A.J. Burgin. Coupling soil oxygen and greenhouse gas dynamics at the aquatic-terrestrial interface. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

C.M. Webber, C. Chizinksi, R.J. Alexander and A.J. Burgin. Phytoplankton community response to alum lake restorations in the Midwestern US. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

M.A. Trowbridge, M. Pegg and A.J. Burgin. The response of primary production to nutrient and fish community restoration techniques in eutrophic sandpit lakes. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

K.N. Reynolds, T.D. Loecke, D.A. Riveros-Iregui, A.J. Burgin, S.A. Thomas, A.S. Ward, C.A. Davis and M.A. St. Clair. Using a high-frequency monitoring network to quantify optimal sampling strategies in agricultural watersheds. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

#K.E. Schlafke, C.M. Webber and A.J. Burgin. Sedimentation controls zooplankton community dynamics following restoration in Midwestern (USA) sandpit lakes. Poster presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

#D. J. Moscicki, V.A. Schoepfer, C.M. Webber, M.A. Trowbridge and A.J. Burgin. The response of internal phosphorus loading to alum addition and rough fish removal in Midwestern sandpit lakes. Poster presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

#C. Silvey, K.M. Jarecke, T.D. Loecke, and A.J. Burgin. Species specific plant-mediate greenhouse gas transport from wetland mesocosms. Poster presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

#E.R. Waring, V.A. Schoepfer, A.J. Burgin, J.P. Ore, C. Detweiler and S. Elbaum. Using unmanned aerial vehicles (UAVs) to map sources of groundwater in a saline wetland. Poster presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

V.A. Schoepfer, K.E. Schlafke#, A.J. Burgin, T. D. Loecke. The influence of sea water inundation on soil heterogeneity in a coastal freshwater wetland. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

C.J. Adams, A.J. Burgin, T.D. Loecke, S.A. Thomas, M.A. St. Clair, C.A. Davis, K.N. Reynolds, A.S. Ward, and D.A. Riveros-Iregui. The effect of discharge on phosphorus loading to the Iowa-Cedar Basins. Poster presented at the Joint

Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.T.D. Loecke, K.M. Jarecke, and A.J. Burgin. Greenhouse gas balance of a wetland

interrupted by 120 years of agriculture. Oral presentation at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

Davis, C.A., A.S. Ward, A.J. Burgin, T.D. Loecke, D.A. Riveros-Iregui, D. Schnoebelen, D. Just, S.A. Thomas, L. Weber, and M. St. Clair. Antecedent moisture controls on stream nitrate flux in an agricultural watershed, Clear Creek, Iowa. Poster presented at the Joint Aquatic Sciences Meeting, Portland, OR 18-23 June 2014.

*A.J. Burgin, C. Webber and M. Trowbridge. The effectiveness of alum as a tool for improving water quality: Case studies from Grand Lake St. Marys (OH) and the Fremont Lakes Recreation Area (NE). Presented at the Nebraska Department of Environmental Quality, Lincoln, NE, 9 May 2014.

#C. Silvey, K.M. Jarecke, T.D. Loecke, and A.J. Burgin. Species specific plant-mediate greenhouse gas transport from wetland mesocosms. Poster presentation UNL-UCARE Research Symposium. Also presented at the SNR Elevator Speech Competition (17 April 2014) and voted Best Undergraduate Poster.

K.M. Jarecke, T.D. Loecke, and A.J. Burgin. Does soil aggregation affect carbon storage in a restored wetland? Poster presented at the SNR Elevator Speech Competition (17 April 2014) and voted Best Graduate Student Poster.

T.D. Loecke, A.J. Burgin, and K.M. Jarecke. Soil organic carbon in a wetland interrupted by a century of agriculture. Geological Society of America - North-Central Section 48th Annual Meeting. Lincoln, NE, 24-25 April 2014.

Jarecke, K.M., T.D. Loecke, and A.J. Burgin. Coupling greenhouse gas emissions to soil O2 dynamics at the aquatic-terrestrial interface. Geological Society of America - North-Central Section 48th Annual Meeting. Lincoln, NE, 24-25 April 2014.

Schoepfer, V.A., K. Schlafke#, A.J. Burgin, and T.D. Loecke. Characterizing spatial and temporal heterogeneity of iron-sulfur interactions in a coastal freshwater wetland. Geological Society of America - North-Central Section 48th Annual Meeting. Lincoln, NE, 24-25 April 2014.

Helton, A.H., E.S. Bernhardt, A. Fedders and A.J. Burgin. Saltwater incursion in agricultural landscapes: Patterns of trace gas emissions within a restored coastal plain wetland. American Geophysical Union, San Francisco, CA, 8-14 December 2013.

*Hammerschmidt, CR., G. Nogaro, A. Taylor and A.J. Burgin. Anthropogenic Unintended Consequences: Phosphorus and Alum in Grand Lake St. Marys, OH. Ohio Water Resources Center Seminar, Oct 2013.

Detweiler, C., S. Elbaum, A. J. Burgin, M. Waite, S. Thompson and M. Hamilton. Co-Aerial Ecologist: Robotic Water Sampling and Sensing in the Wild. USDA National Robotics Initiative Principle Investigators Meeting. 1 October 2013, Washington D.C.

Loecke T.D. and A.J. Burgin. Variation in soil oxygen across an aquatic-terrestrial interface. Ecological Society of America, Minneapolis, MN 2-8 August 2013.

Webber, C.M., K.M. Jarecke, V.A. Schoepfer, N. Smeenk, and A.J. Burgin. Incorporating biogeochemical function and recovery time into restored wetland valuation. Society of Wetland Scientists, Duluth, MN. 2-7 June 2013. Best student poster award. [Product of a graduate seminar class.]

Jarecke, K.M., T.D. Loecke, and A.J. Burgin. Soil oxygen dynamics: Implications for ecosystem-level greenhouse gas fluxes. Society of Wetland Scientists, Duluth, MN. 2-7 June 2013.

Schoepfer, V.A, K. Schlafke#, A.J. Burgin and T.D. Loecke. Characterization of sulfate reduction in a coastal wetland experiencing salt water intrusion using the Indicator of Reduction in Soils (IRIS) method. Society of Wetland Scientists, Duluth, MN. 2-7 June 2013.

Payn, R.A., A. M Helton, G.C. Poole, C. Izurieta, E.S. Bernhardt and A.J. Burgin. A geneneralized model of aquatic microbial metabolism based on thermodynamic, kinetic and stoichiometric theory. Society for Freshwater Science (SFS) Annual meeting, Jacksonville, FL, May 19-23, 2013.

Lenners, A.# and A. J. Burgin. Greenhouse gas flux in Nebraska’s saline marshes: An analysis of Frank Shoemaker Marsh. UNL-Environmental Studies Program Poster Presentation. 2nd Place Overall.

Jarecke, K., T.D. Loecke, and A.J. Burgin. Does soil aggregation affect carbon sequestration in restored wetlands? (Poster) ASA, CSSA, and SSSA International Annual Meeting, Cincinnati, OH, 21-24 Oct 2012.

Payn, RA, A.M. Helton, G.C. Poole, C. Izurieta, E.S. Bernhardt, and A.J. Burgin. Exploring the controls of soil biogeochemistry in a restored coastal wetland using object-oriented computer simulations of uptake kinetics and thermodynamic optimization in batch reactors. (Poster) American Geophysical Union (AGU), 3-7 Dec 2012.

Hopfensperger, K.N., A.J. Burgin. Plant chemistry in a freshwater wetland experiencing salt water intrusion. 9th INTECOL International Wetlands Conference. Orlando, FL. June, 2012.

Helton, A.M., G.C. Poole, E.S. Bernhardt, R.A. Payn, C. Izurieta, A.J. Burgin. 2012. Simulating the influence of saltwater intrusion on coupled element cycles in coastal plain wetlands. 9th INTECOL International Wetlands Conference. Orlando, FL. June 2012

Ardón, M. E.S. Bernhardt, A.M. Helton, A.J. Burgin, R.A. Payn, G.C. Poole. 2012. Saltwater intrusion alters nitrogen and carbon export from a restored coastal plain wetland, North Carolina, USA. 9th INTECOL International Wetlands Conference. Orlando, FL. June 2012.

Schoepfer, V.A, A.J. Burgin, E.S. Bernhardt. 2012. How does salt water intrusion affect coupled iron and sulfur cycling in a coastal freshwater wetland? 9th INTECOL International Wetlands Conference. Orlando, FL. June, 2012.

Nogaro, G. and A.J. Burgin. Influence of bioturbation on denitrification and dissimilatory nitrate reduction to ammonium (DNRA) in freshwater sediments. SFS 2012 Annual Meeting, Lousiville, KY, May 20-24, 2012.

Poole G.C., A.M. Helton, C. Izurieta, R.A. Payne, E.S. Bernhardt, A. J. Burgin, I. Griffith, R. Nix, M. Ardon, J.A. Stanford. Modeling functional heterogeneity of multiple interactive ecological currencies in linked channel, floodplain and

aquifer systems. Society of Freshwater Science (formerly NABS) 2012 Annual Meeting. Louisville, KY, May 20-24, 2012.

Detraz J., AJ Burgin, TD Loecke, and C Hammershmidt. Carbon dioxide, nitrous oxide and methane fluxes from an agricultural soils. Poster presented at the Geological Society of America, Central Chapter meeting, March 2012, Dayton OH.

*Burgin, AJ. Microbial linkages in the nitrogen and sulfur cycles. University of Nebraska, Lincoln, School of Natural Resources. Presented 20 January 2011.

*Burgin, AJ. Microbial linkages in the nitrogen and sulfur cycles. Virginia Tech, Department of Biology. Presented 28 January 2011.

Schoepfer, VA and AJ Burgin. Anaerobic microbial metabolism in a highly eutrophic stratified lake. Poster for the American Society of Limnology and Oceanography meeting, San Juan Puerto Rico, presented 15 February 2011.

Detraz J., AJ Burgin, and TD Loecke. Carbon dioxide, nitrous oxide and methane fluxes from an agricultural field prior to wetland restoration. Poster presented at the Society of Wetland Scientists North Atlantic Chapter meeting, March 2011.

*Burgin AJ, Wetlands and Global Change. Indiana University, School of the Environment seminar. Presented 21 April 2011.

Nogaro, G, C Hammerschmidt and AJ Burgin. Influence of alum addition on metal and nutrient cycling in Grand Lake St. Mary’s, Ohio. Presented at the North American Benthological Society, Providence RI. 25 May 2011.

Poole, GC, C Izurieta, RA Payn, AM Helton, ES Bernhardt, AJ Burgin, and JA Stanford. System-level hypothesis testing: a novel approach to developing parsimonious models of complex ecosystem dynamics. Presented at the North American Benthological Society, Providence RI. 26 May 2011.

*Burgin AJ and PM Groffman. Oxygen controls denitrification rates and end-products in a riparian wetland. Presented to the Society of Wetland Scientists, Prague Czech Republic, 4 July 2011.

Klaus, JE, LM Romas, AJ Burgin, and CR Hammerschmidt. Functional Identification of Microorganisms that Transform Mercury in Marine and Arctic Lake Sediments. Poster presented 26 July 2011.

Nogaro, G and AJ Burgin. Influence of bioturbation on denitrification and dissimilatory nitrate reduction to ammonium (DNRA) in freshwaters sediments. Presented at the Nereis Park Conference on Bioturbation, Kristineberg Sweden. 29-31 August 2011.

* P.M. Groffman*, A.J. Burgin, A.J. Gold, D.Q. Kellogg. Wetland Ecosystem Services in Agricultural Landscapes. International Water Association Wetland Ecosystem Services Symposium, Christchurch, New Zealand, September 2011.

Bernhardt, E.S., G.C. Poole, M. Ardon, A.M. Helton, J.L. Morse, R.A. Payn, A.J. Burgin. 2011. When the entire landscape is riparian: the challenges to understanding and modeling ecosystem dynamics in lowland headwaters. Invited Presentation. Fall Meeting of the American Geophysical Union. Dec 5-9. San Francisco.

Helton, AM, GC Poole, SE Bernhardt, RA Payn and AJ Burgin. Modeling coupled

element cycles in coastal plain wetlands subject to salt water intrusion. Poster presented at the American Geophysical Union meeting, San Fransisco, 6 Dec 2011.

Professional ServiceOrganizing Co-Chair, 2016 Annual Meeting of the Society for Freshwater Science (2016)Chair, Global Change Ecology Section of the Society of Wetland Scientists (2013)Chair, Aquatic Ecology Section, Ecological Society of America (2016-2017)Chair-Elect, Aquatic Ecology Section, Ecological Society of America (2014-2015)Early Career Committee Member, Joint Aquatic Sciences Meeting (2014)Environmental Defense Fund Low-Carbon Farming project, Advisory Committee MemberSEEDS Mentor, Ecological Society of America Annual meeting, Milwaukee, WIProposal Reviewer: NSF Ecosystems DDIG Panelist (Spring 2014), NSF Ecosystems Panelist (Spring 2011, Fall 2012), NSF Bio Oceanography (3), NSF Office of Polar Programs/ARC (1), NSF-LTREB (2), NSF DEB-Ecology (1), NSF DEB-Ecosystems (6), Estonian Science Foundation (1), LA Sea Grant (1)Manuscript Reviewer: Biogeochemistry, JGR Biogeosciences, Journal of the North American Benthological Society, Wetlands, Environmental Science and Technology, Estuaries and Coasts, Environmental Management, Limnology and Oceanography, Hydrologic Processes, Ecological Applications, Water Resources, Environmental Microbiology, Water Research, Journal of Environmental Quality, Soil Science Society of America Journal, Microbial Ecology, Marine Ecology Progress Series (MEPS), Proceedings of the National Academy of Sciences (PNAS)Long-term Ecological Research (LTER) committees and service: Graduate Student Representative to the Science Committee and Education/Outreach Committee; KBS site student representativeKBS Service: Graduate Student Affairs, Seminar and Scholarship CommitteesOrganized Special Sessions at National and International conferences: ASLO/NABS 2010; Alternative Nitrogen Cycling Pathways Special Session SIL 2007; LTER All-Scientists Meeting 2007 and the 2nd LTER Graduate Student Symposium

Departmental/University Service:UNL Search Committees: Extension Water Quality Educator, SNR Recruiting CoordinatorResearch Technologist Search Committee Member, UNL SNR (2011 x2)Admissions Committee, WSU Environmental Sciences Ph.D. Program (2009-2011)Undergraduate Curriculum Committee, WSU EES Department (2010-2011)Professional Society Memberships:

Ecological Society of America (ESA), American Society of Limnology and Oceanography (ASLO), Society for Freshwater Science (SFS, formerly NABS) American Geophysical Union (AGU), International Society of Limnology (SIL), North American Lake Management Society

Workshops, Training, Skills:Iron in Coastal Plains StreamsDenitrification Research Coordination Network (RCN) participant in 2008 for Methods in measuring denitrification (Horn Point, MD) and 2009 Management of denitrification at the landscape scale (S. Kingston, RI)Stable Isotope Biogeochemistry Course, Michigan State University, 2004Microbial Diversity Course, Marine Biological Lab, 2007Microbial techniques: Environmental DNA extraction, cloning and phylogenetic analysis using ARB; fluorescent staining (DAPI) and microscopy; multiple enzyme assays (e.g., denitrification enzyme assay); microelectrodes for sediment profiling; pigment extraction and analysisEcosystem process measurements: Microbial enzyme activity assays (e.g., denitrification enzyme activity); isotopic tracer sample preparation and analyses (both enrichment and natural abundance levels); trace gas emissions (CO2, N2O, CH4); aqueous nutrient analyses; soil and plant nutrient extractions and measurement; microelectrodes for sediment profilingAnalytical Instruments: Membrane Inlet Mass Spectrometer (MIMS); Gas Chromatograph (TCD, ECD, FID); Ion Chromatograph; colorimetric methods and analysis via UV and Visible Spectrophotometer; Fluorometer; Shimadzu Total Carbon and Nitrogen Analyzer; Elemental Analyzer (C, N, H); familiarity with Isotope Ratio Mass Spectrophotometry (IRMS)