Jill Baron

Sampling at Loch Vale in a storm
Loch Vale, RMNP on sunny day
Christa Torrens sampling in the snow
Loch Vale, RMNP close up.
Boat launch on Loch Vale 2016

Jill Baron - Curriculum Vitae

Jill Baron

Phone: (970) 491-1968
Email: Jill.Baron@ColoState.EDU

Academic Training

B.S.      1976     Cornell University               Botany, minor in Geology

M.S.     1979      University of Wisconsin-Madison       Land Resources

Ph.D.    1991      Colorado State University         Ecosystem Ecology

Professional Experience

2009-present Co-Director, U.S. Geological Survey John Wesley Powell Center for Earth System Science Analysis and Synthesis

2016-present Senior Scientist, U.S. Geological Survey, Fort Collins CO

1996-2015     Research Ecologist; U.S. Geological Survey, Fort Collins, CO

1986-present Senior Research Scientist; Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO

2000-present Advising faculty, CSU Graduate Degree Program in Ecology

1993-1996     Research Ecologist; National Biological Service, Mountain Ecosystems Section, Fort Collins, CO

1976-1993     Research Biologist-National Park Service; Great Smoky Mountains National Park TN; Gulf Islands National Seashore MS; Water Resources Division, Washington D.C. and CO

Service and Committees

  • North American Director, International Nitrogen Initiative, 2015-2018
  • Founder and Co-Director: USGS John Wesley Powell Center for Earth Systems Science Synthesis and Analysis, 2009F
  • President, Ecological Society of America, 2014
  • Science Advisory Boards:
    • Niwot Ridge Long-Term Ecological Research Program 2015-2017
    • Chairperson, Science Advisory Panel for the Alberta Environmental Monitoring, Evaluation, and Reporting Agency, 2015-2018
    • Science Policy Exchange, 2013-2016
    • Institute on Alpine Environment, Bolzano Italy, 2013-2016
    • Mountain Research Institute, Bern Switzerland, 2014-2015
    • Natural Resource Ecology Laboratory, CSU, 1993-1996, 2002-2005, 2010-2013
    • USGS Fort Collins Science Center, 2009-2011
    • Department of Interior Climate Change Task Force, 2007
    • USGS Climate Change Science Advisory Council 2007-2012
    • GAO report on how US land management agencies should respond to climate change, 2007
    • National Center for Ecological Analysis and Synthesis, 2005-2008
    • Grand Canyon Monitoring and Research Center/Glen Canyon Dam Adaptive Management Program, 2001-2009
    • NEON (National Ecological Observatory Network) Design Committee, 2005, Domain Science and Education Coordinating Committee member for Domains 10 and 13, 2009-2011
    • ROMEO (Rocky Mountain Ecological Observatory Network) Co-chair, 2004-2007
    • Mountain Studies Institute, 2004-2006
    • J Andrews LTER, 2006-2011
    • University of Colorado Mountain Research Station, 2004
    • Northern Colorado Plateau Inventory and Monitoring Program, 2002-2004
    • USGS Biological Resources Division Contaminants Program National Program Review, 2002
    • Strategic Plan Development for CSU Water Resources Programs, 1995-1997
    • National Park Service: Need for NPS Ecological Research, 1992
  • Options for including nitrogen management in climate policy development. International Nitrogen Initiative Side Event to the COP-15 to the United Nations Climate Change Conference, Copenhagen, Moderator/presenter, December 2009
  • Climate Change: Global Risks, Challenges, and Decisions: Synthesis Report. Copenhagen, presenter/author, March 2009
  • Risk and Exposure Assessment for Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Oxides of Sulfur, EPA -452/R-09-008a. co-author
  • Lead Author, Science and Assessment Project 4.4; Adaptations of National Parks to Climate Change, US Climate Change Science Program 2006-2007
  • USGS Science Strategy Team member, 2006-2007
  • Other Ecological Society of America activities:
    • Assigning Editor, Ecological Applications 2016-2018
    • Editor-in-Chief Issues in Ecology 2007-2012;
    • Governing Board Member-at-Large 1997-1999;
    • Secretary, 2001-2003,
    • Annual Meeting Program Chair 1995-1996;
    • Associate Editor: Ecological Applications 2001-2010;
    • Regional Response Team planning 2006,
    • SEEDS Mentor 2004-2005,
    • ESA Committee on Women and Minorities 1991-1993,
    • ESA Nominating Committee 1994-1996, 1997-1999,
    • ESA representative to Advisory Committee on Water Information 1999-2001
  • American Society for Limnology and Oceanography activities:
    • Senior Editor, Limnology and Oceanography Letters, 2016-2018
    • Nominated for President, 2010-2016 (did not win),
    • Hutchinson Award Committee, 2004-2009;
    • Meeting Planning Committee 1992
  • National Science Foundation review panels: IGERT 2007, Biocomplexity in the Environment, 2001-2002; Terrestrial Ecosystems and Global Change (TECO), 1995
  • NASA Climate and Biological Response: Research and Applications Peer Review Panel, 2011
  • Research Grade Evaluation of Peers for Biological, Water Resources, and Geologic Divisions Panel Member, 1995-2008
  • Environmental Protection Agency Science Advisory Board invited expert, 1995
  • National Research Council: Need for National Initiative for Interdisciplinary Study of Inland Waters committee, 1992
  • Reviewer of manuscripts for many scientific journals, (including Ecology, Biogeochemistry, Proceedings of the National Academy of Sciences, ES&T), the IPCC Second Assessment Report, and proposals for NSF, EPA, USDA, NPS, USGS, NIH, NSERC (Canada), CONICYT (Chile)


  • Colorado Woman of Vision 2015
  • Resident Distinguished Ecologist, Colorado State University 2014-2015
  • Fellow of the Ecological Society of America, 2012
  • National Park Service Intermountain Regional Director’s Award for Natural Resource Research, 2012
  • Rocky Mountain National Park Stewardship Award, 2012
  • Department of Interior Awards:
    • Superior Service, 2016;
    • Meritorious Service, 2002;
    • National Biological Survey Superior Achievement, 1995;
    • Outstanding National Park Service Washington Office Research Scientist 1991;
    • Outstanding Contributions to Biological Division USGS, 1999, 2000, 2001; USGS STAR Awards 2009, 2010, 2011, 2012, 2013;
    • USGS Shoemaker Award 2011
  • Testimony to U.S. Congress House Science Committee, 2001
  • Congressional Briefings:
  • 1999, on western atmospheric deposition
  • 2009, on climate change effects on western water resources
  • Congressional Field Trips:
    • 2009: Climate change impacts on Colorado River Basin
    • 2009: Climate change in western mountains for Senators Udall and McCain
  • Recognition for contribution to distinguished publication, USDA Forest Service, 1999
  • Keynote or Plenary Speaker:
    • Berkeley Catchment Science Symposium Featured Speaker, 2014
    • Center for Ecology at Southern Illinois University Distinguished Speaker, 2014
    • Ecosystem Center Semester in Environmental Science Distinguished Scientist, 2014
    • Distinguished Speaker, Center for Ecology at Southern Illinois University, 2014
    • British Ecological Society, 2012;
    • National Atmospheric Deposition Program Annual Meeting 2012
    • Wrigley Lecturer, Arizona State University, 2006;
    • GLOCHAMORE meeting on effects of climate change along altitudinal gradients in mountain ecosystems, 2005;
    • Gordon Research Conference on Catchment Science, 2005;
    • Colorado College Unveiling of State of the Rockies Report Card, 2004;
    • 4th Annual Science Symposium, St. Olaf College, 2003;
    • North American Diatom Symposium 1999
    • Montana State University Mountain Research Center, 1997
  • Certified Professional Senior Ecologist, Ecological Society of America 2001-2017
  • National Wildlife Federation Fellow, 1979-1981

Professional Societies

Ecological Society of America, American Geophysical Union, American Association for the Advancement of Science, American Society for Limnology and Oceanography, American Institute of Biological Sciences

Major Interests

Biogeochemical cycling/ecosystem ecology

Fostering sustainable human societal/environmental interactions

Increasing opportunities for women and minorities in science

Research Interest Since 2000

  • Co-Principal Investigator: Environmental History, Ecology, and Sustainability in Public Lands, Global Challenges Research Team. 2014-2015 $17,100.
  • Principal Investigator: Long-term ecological research and monitoring in Loch Vale Watershed, Rocky Mountain National Park. 1982-present. NPS, NBS, USGS (cumulative >$5,251,000)
  • Co-Principal Investigator: Western Mountain Initiative, 2004-2019, USGS $6.5 million
  • Co-Principal Investigator: Effects of mountain pine beetle-induced tree mortality on water quality (USGS-NPS Water Quality Partnership). 2010-2013 $300,000.
  • Co-Principal Investigator: Atmospheric deposition of inorganic nitrogen in Grand Teton NP: determining biological effects on algal communities in alpine lakes (NPS). 2010-2012 $90,000.
  • Principal Investigator: In support of a USGS national ecosystem services forecasting program, 2009-2011. $95,000.
  • Co-Principal Investigator: Spatial sensor network for monitoring snowmelt, vegetation, and soil moisture dynamics. 2009-2010. Warner College of Natural Resources.  $10,000.
  • Co-Principal Investigator: Identifying Multi-jurisdictional Adaptation Strategies for Responding to Climate Change on Federal Lands. 2007-2011, NPS.  $55,000.
  • Principal Investigator: Assessing ecosystem response to atmospheric deposition, 2002-2009, EPA and NPS. $365,000
  • Principal Investigator: Taking America’s Pulse: development and application of human and environmental indicators in the South Platte Basin, 2004-2006, USGS $150,000
  • Co-Principal Investigator: The influence of climate-induced alterations in dissolved organic matter on metal toxicity and UV radiation in Rocky Mountain streams, 2002-2005. EPA STAR $350,000
  • Co-Principal Investigator: Assessing the impacts of prolonged severe drought on aquatic ecosystems and water quality. 2002-2004  $40,000
  • Principal Investigator: A Survey of the Impacts of Fish Introduction and Extirpation on Zooplankton of Alpine Lakes. 2005-2006. NPS. $20,000
  • Co-Principal Investigator: An integrated assessment of the effects of climate change on Rocky Mountain National Park and its gateway community, 1999-2002. EPA STAR
  • Lead Author and Organizer: Issues of Freshwater Equity and Ecosystems: Balancing Environmental and Human Needs for Water, an Ecological Society of America White Paper, 1988-2002. ESA
  • Principal Investigator: Air Quality Effects Research on DOI Lands, 1998-2002, USGS


Advising and Mentoring

Graduate Students       

Jennifer Back, M.Sc., 1995 (co-adviser), now with National Park Service

Michael Martin, M.Sc., 1994 (co-adviser), now with National Park Service

Toben LaFrancois, M.Sc. 1995 (co-adviser), now with Northland College


Cynthia Brock (Kester), M.Sc., 1997 (co-advisor), now with MIT

Heather Reuth, Ph.D., 2001 (adviser), now Full Professor, Grand Valley State University

Benjamin Balk, M.Sc., 1999 (co-adviser), now with NOAA, Anchorage, AK

Brenda Moraska (Lafrancois), 2003, Ph.D., (co-adviser), now with National Park Service

Koren Nydick, Ph.D. 2003 (adviser), now with National Park Service

Kathryn Muldoon, M.Sc., 2005 (adviser) now in consulting

Sanjay Advani, M. Sc.., 2005 (adviser), now in consulting

Jill Oropeza, M.Sc. 2008. (adviser), now with City of Fort Collins

Melannie Hartman, Ph.D. 2013 (adviser) research scientist, Colorado State University

Karen Galles, M. Sc. 2011 (co-adviser) now in consulting

Brooke Osborne, M.S., 2012 (adviser) now Ph.D. student at Brown

Phoenix Mourning-Star, Ph.D., 2014 (adviser) now with National Science Foundation

Timothy Fegel, M.Sc. 2015 (adviser) now with Forest Service Rocky Mountain Research Station

Isabella Oleksy, Ph.D. current (adviser)

Jordan Allen, M.Sc. current (co-adviser)


Post-Doctoral Fellows

Robert Kremer, now with Ames Community College

Laura Landrum, 2003-2005; now with NCAR

Lindsey Christensen, 2005-2008, now with University of Utah

Kevin McCluney, 2010-2011, Assistant Professor, Bowling Green State University

Ed Hall, 2011-2014, Adjunct Faculty, Colorado State University


Visiting Fullbright Fellows

Dr. Manuel Toro Velasco, Universidad Autonoma de Madrid, Spain

Dr. Christopher Lemieux, University of Waterloo, Waterloo, Ontario, Canada.


Undergraduate Advisees

REU Students Matt Ridge, Julie Hawkins, and Toby Minear 1997; REU Students Katrina Gerkin and Roger Andre, 1998.REU Students Seth Martin, Seth Gates, Mary Fitzgerald, and Andrew Ramey, 1999. Hannah Afifi, Trinity College, Dublin, 2000, Bethany Caruso, 2001, Stephanie Gieck, 2003, Katie Lenio, 2004, Katie Williams 2005, Taylor Elm 2006, Julie Markus, Lizzy Asher, and Sabrina Joyce Kleinman, 2008, Shenavia Balcom, 2008-2011, Michelle Bahnik, 2009, Bill Magee 2009, Julia Spencer, 2010. Matt Schoonmeester, 2009-2011, Timothy Fegel, 2012. Gillian Gundersen, 2012-13, Austin Seback 2013, Riley Woodwell 2013, Will Creed 2014-2015, Ryan Davis 2015-2016, Tyler Lompard 2016, Jessica Johnstone 2016, Melanie Burnet 2016.


Other Mentoring Activities

USGS Mentor for Sara Oyler-McCance, 2003; Libby Prueher, 2005.Ecological Society of America SEEDS Mentor for Yana Reid, 2004-2006; Edith Juarrieta, 2005-2006, ESA Early Career Mentor for Fiona Soper.

Peer-Reviewed Publications

In Press:

Baron JS, T Blett, WC Malm, R Alexander, and H Doremus 2016. Protecting national parks from air pollution effects: making sausage from science and policy. In: S. Beissinger, ed. Science, Conservation and National Parks. University of Chicago Press. In press.


Edited Books:

Baron, J.S. (Editor).  2002. Rocky Mountain Futures: an ecological perspective.  Island Press, Covelo, CA.


Baron, J.(Editor).  1992.  Biogeochemistry of a Subalpine Ecosystem: Loch Vale Watershed.  Ecological Studies Series 90, Springer-Verlag, New York.



Greaver TL, CM Clark, JE Compton, D Vallano, AF Talhelm, CP Weaver, LE Band, JS Baron, EA Davidson, CL Tague, JD Herrick, L Liu, JA Lynch, CL Goodale, E Felker-Quinn, KJ Novak, RA Haeuber. 2016. Ecosystem responses to nitrogen are altered by climate change. Nature Climate Change 6:836-843. 10.1038/nclimate3088.


Fegel TS, Baron JS, Fountain AG, Johnson GF, Hall EK. 2016. The Differing Biogeochemical and Microbial Signatures of Glaciers and Rock Glaciers. JGR-Biogeosciences DOI: 10.1002/2015JG003236


Baron, JS, EA Davidson, R Nifong. 2016. Managing Nutrients, Water, and Energy for Producing More Food with Low Pollution (MoFoLoPo); What Would Success Look Like? Environment and Development 18:52-53.


Hinckley E-LS, Anderson S, Baron JS, Blanken PD, BonanG, Bowman WD, Elmendorf S, Fierer N, Fox A, Goodman K, Jones K, Lombardozzi D, Lunch C, Neff J, SanClements M, Suding K, Wieder WR. 2016. Optimizing Available Network Resources to Address Questions in Environmental Biogeochemistry. BioScience biw005.


Davidson, EA, RL Niphong, RB Ferguson, C Palm, DL Osmond, JS Baron. 2016. Nutrients in the Nexus. Journal of Environmental Studies and Science, DOI 10.1007/s13412-016-0364-y.


O’Reilly CM, Sharma S, Gray DK, Hampton SE, Read JS, Rowley RJ, Schneider P, Lenters JD, McIntyre PB, Kraemer BM, Weyhenmeyer GA, Straile, Dong B, Adrian R, Allan MG, Anneville O, Arvola L, Austin J, Bailey JL, Baron JS, Brookes JD, de Eyto E, Dokulil MT, Hamilton DP, Havens K, Hetherington AL, Higgins SN, Hook S, Izmest’eva LR, Joehnk KD, Kangur K, Kasprzak P, Kumagai M, Kuusisto E, Leshkevich G, Livingstone DM, MacIntyre S, May L, Melack JM, Mueller-Navarra DC, Naumenko M, Noges P, Noges M, North RP, Plisnier P-D, Rigosi A, Rimmer A, Rogora M, Rudstam LG, Rusak JA, Salmaso N, Samal NR, Schindler DE, Schladow SG, Schmid M, Schmidt SR, Silow E, Soylu ME, Teubner K, Verburg P, Voutilainen A, Watkinson M, Williamson CE, and Zhang G. 2015. Rapid and highly variable warming of lake surface waters around the globe. Geophysical Research Letters, 10.1002/2015GL066235


Osborne BO, Baron JS, Wallenstein M. 2015. Moisture and temperature controls on nitrification differ among ammonia oxidizer communities from three alpine soil habitats. Frontiers of Earth Science, DOI 10.1007/s11707-015-0556-x.


Boot CM,  Hall EK, Denef K, Baron JS. 2015. Long-Term Reactive Nitrogen Loading Alters Soil Carbon and Microbial Community Properties in a Subalpine Forest Ecosystem. Soil Biol Biochem.  DOI 10.1016/j.soilbio.2015.10.002


Spaulding SA, MK Otu, AP Wolfe and JS Baron. 2015. Paleolimnological records of nitrogen deposition in high-elevation lakes of Grand Teton National Park, Wyoming, USA. Arctic, Antarctic, and Alpine Research 47:701-715.


Sharma S, Adrian, R., Allan, M., Anneville, O., Austin, J.A., Bailey, J., Baron, J.S., Brookes, J., Chen, Y., Daly, R., Dokulil, M.T., de Eyto, E., Ewing, H., Gray, D.K., Gries, C., Hamilton, D.P., Hampton, S.E., Havens, K.E., Haydon, S., Heneberry, J., Hetherington, A.L., Higgins, S.N., Hixson, E., Hook, S.J., Izmest’eva, L.R., Jones, B., Kangur, K., Kraemer, B., Kumagai, M., Kuusisto, E., Lenters, J., Leshkevich, G., Livingstone, D.M., May, L., McIntyre, P., MacIntyre, S., Mueller-Navara, D.C., Naumenko, M.A., Noges, P., Noges, T., North, R.P., O’Reilly, C., Paterson, A.M., Plisnier, P-D., Qudrat, A., Read, J.S., Rigosi, A., Rimmer, A., Rogora, M., Rudstam, L.G., Rusak, J.A., Salmaso, N., Samal, N.R., Sandilands, K., Schindler, D., Schladow, G., Schmidt, S.R., Schneider, P., Schultz, T., Sharma, S., Silow, E.A., Stefanoff, S., Straile, D., Teubner, K., Verburg, P., Voutilainen, A., Watkinson, A., Weyhenmeyer, G.A., Williamson, C.E., Wilson, R.C. and Zhang, G.  2015. Globally distributed lake surface water temperatures collected in situ and by satellites, 1985-2009. Nature Scientific Data: doi:10.1038/sdata.2015.8


Mast, MA, Clow, DW, Baron JS, Wetherbee GA. 2014. Links between N Deposition and Nitrate Export from a High-Elevation Watershed in the Colorado Front Range. Environmental Science & Technology 48: 14258-14265.


Bricker, S.B., F.T. McKenzie, J.S. Baron, and J. Price.  2014. Preface to Owen P. Bricker III Special Issue of Aquatic Geochemistry.  Aquatic Geochemistry 20:81-86.


Murdoch, P.S., M. McHale, and J.S. Baron.  2014. Reflections on a vision for integrated research and monitoring after 15 years. Aquatic Geochemistry  20:363-380.


McCluney, K.E., N. L. Poff, J.H. Thorp, G.C. Poole, M.A. Palmer, M.Williams, B.S. Williams, J.S. Baron. 2014.  Riverine macroecology: a framework for understanding the sensitivity, resistance, and resilience of whole river basins and responses to multiple human alterations. Frontiers in Ecology and Environment 12:48-48.


Hartman, MD, JS Baron, HE Ewing and KT Weathers.  2014. Combined global change effects on ecosystem processes in nine U.S. topographically complex areas.  Biogeochemistry 119: 85-108.


Heath, TJ, and JS Baron. 2014. Climate, not atmospheric deposition, drives the biogeochemical mass-balance of a mountain watershed.  Aquatic Geochemistry 20:167-181.


Morris K A, Mast MA, Wetherbee G, Baron J, Taipale C, Blett T, Gay D, Heath J.  2014.  2012 Monitoring and Tracking Wet Nitrogen Deposition at Rocky Mountain National Park.  NPS Natural Resource Report NPS/NRSS/ARD/NRR-2014-757.  36 pp,


JS Baron, EK Hall, BT Nolan, JC Finlay, ES Bernhardt, JA Harrison, F. Chan, EW Boyer. 2013. The interactive effects of excess reactive nitrogen and climate change on aquatic ecosystems and water resources of the United States. Biogeochemistry 114:71-92.


Greaver TL, Sullivan T, Herrick JD, Barber M, Baron J, Cosby B, Deerhake M; Dennis R,  Dubois JJD, Goodale C, Herlihy A, Lawrence G, Liu L, Lynch J, Novak K.  Ecological effects from nitrogen and sulfur air pollution in the United States: what do we know?  2012. Frontiers in Ecology and Environment 7:365-372.


Björnsen Gurung A, Price MF, Wymann von Dach S, Aspinall R, Balsiger J, Baron JS, Sharma E, Greenwood G, Kohler T.  2012.  Global Change and the World’s Mountains: Research needs and emerging themes for sustainable development.  Synthesis from the Perth II Conference 2012.  Mountain Research and Development 32, No. S1: S47-S54.


Pardo, Linda H, Fenn, Mark E, Goodale, Christine L, Geiser, Linda H, Driscoll, Charles T, Allen Edith B, Baron, Jill, Bobbink, Roland, Bowman, William D, Clark, Christopher, Emmett, Bridget, Gilliam, Frank S., Greaver, Tara, Hall, Sharon J.,  Lilleskov, Erik A., Liu, Lingli, Lynch, Jason, Nadelhoffer, Knute, Perakis, Steven S.,  Robin-Abbott, Molly J., Stoddard, John, Weathers, Kathleen,  Dennis,  Robin L. 2011. Effects of nitrogen deposition and empirical nitrogen critical loads for ecoregions of the United States.  Ecological Applications 8:3049-3082.


Baron, J.S., C.T. Driscoll, J.L. Stoddard, and E.E. Richer. 2011. Critical loads of atmospheric nitrogen deposition for nutrient enrichment and acidification of U.S. freshwaters.  BioScience 61:602-613.


Richer, E.E. J. Botte, and J.S. Baron. 2011. Loch Vale Watershed Long-Term Ecological Research and Monitoring Program: Quality Assurance Report, 2003-2009.  Open-File Report 2011-1137. US Geological Survey.


Morris, K., A. Mast, G. Wetherbee, J. Baron, C. Taipale, T. Blett, D. Gay, E. Richer.  2011.  2009 Monitoring and Tracking Wet Nitrogen Deposition at Rocky Mountain National Park.  NPS Natural Resource Report NPS/NRSS/ARD/NRR-2011-442.  36 pp,


Theobald, D.M., J.S. Baron, P. Newman, B. Noon, J.B. Norman III, I. Leinwand, S. E. Linn, R. Sherer, K.E. Williams, M. Hartman.  2010. A Natural Resource Condition Assessment for Rocky Mountain National Park.  National Park Service Natural Resource Report NPS/NRPC/WRD/NRR—2010/228, 212 pp.


Baron, J. 2009. Strategies for Public Land Management for Adaptation to Climate Change.  In: Management Responses to Climate Variability.  Furniss, M.J.; Millar, C.I.; Peterson, D.L.; Joyce, L.A.; Neilson, R.P.; Halofsky, J.E.; Kerns, B.K. 2009. Adapting to Climate Change: A Short Course for Land Managers. Gen. Tech. Rep. PNW-GTR-789. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station.http://www.fs.fed.us/ccrc/hjar/index_st.html


Hartman, M.D., J.S. Baron, D.W. Clow, I.S. Creed, C.T. Driscoll, H. Ewing, B.D. Haines, K. Lajtha, J. Knoepp, H. van Migroet, D.S. Ojima, W.J. Parton, J. Renfro, B. Robinson, K. Weathers, M.W. Williams.  2009.  DayCent-Chem Simulations of Ecological and Biogeochemical Processes of Eight Mountain Ecosystems in the United States.   USGS Scientific Investigations Report SIR 2009-5150; http://pubs.usgs.gov/sir/2009/5150/


Elser, J.J., T. Anderson, J.S. Baron, A-K Bergström, M. Kyle, K.R. Nydick, L. Steger, D.O. Hessen. 2009. Shifts in lake N:P stoichiometry and nutrient limitation driven by atmospheric nitrogen deposition. Science 326:835-837.


Elser, J.J., M. Kyle, L. Steger, K.R. Nydick, and J.S. Baron. 2009. Nutrient availability and phytoplankton nutrient limitation across a gradient of atmospheric nitrogen deposition.  Ecology 90:3062-3073.


Baron, J.S.L. Gunderson, C. Allen, E. Fleishman, D. McKenzie, L. Meyerson, J. Oropeza, N. Stephenson.  2009. Options for National Parks and Reserves for Adapting to Climate Change.  Environmental Management 44(6):1021-1031.


U.S. EPA.Integrated Science Assessment (ISA) for Oxides of Nitrogen and Sulfur – Ecological Criteria (Final Report). EPA/600/R-08/082F, 2008 (Baron was contributing author)


Baron, J.S., T.W. Schmidt, M.D. Hartman.  2009. Climate-Induced Changes in High Elevation Stream Nitrate Dynamics.  Global Change Biology 15:1777-1789.


Baron, J.S., S.H. Julius, J.M. West, L. A. Joyce, G. Blate, C.H. Peterson, M. Palmer, B.D. Keller, P. Kareiva, J. M. Scott, B. Griffith. 2008. Some guidelines for helping natural resources adapt to climate change. IHDP Update Magazine Fall 2008.


Bowman, W.D., C. C. Cleveland, L. Halada, J. Hreško, J. S. Baron. 2008. Negative impact of nitrogen deposition on soil buffering capacity.  Nature GeoSciences 1:767-770.  doi:10.1038/ngeo339


Baron, J.S., D.L. Peterson, J.T. Wilson 2008.  Western Mountain Initiative: predicting ecosystem responses to climate change.  USGS Fact Sheet 2008-3093; http://pubs.er.usgs.gov/usgspubs/fs/fs20083093


Baron, J.S., C.D. Allen, E. Fleishman, L. Gunderson, D. McKenzie, L. Meyerson, J. Oropeza, and N. Stephenson, 2008: National Parks. In: Preliminary review of adaptation options for climate-sensitive ecosystems and resources. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research [Julius, S.H., J.M. West (eds.), J.S. Baron, L.A. Joyce, B.D. Keller, M.A. Palmer, C.H. Peterson, and J.M. Scott (Authors)]. U.S. Environmental Protection Agency, Washington, DC, USA, pp. 4-1 to 4-68.


CCSP, 2008: Preliminary review of adaptation options for climate-sensitive ecosystems and resources. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research. [Julius, S.H., J.M. West (eds.), J.S. Baron, L.A. Joyce, B.D. Keller, M.A. Palmer, C.H. Peterson, and J.M. Scott (Authors)]. U.S. Environmental Protection Agency, Washington, DC, USA, 873 pp.


Baron, J.S., 2008.Interactions between atmospheric nitrogen deposition and climate change in the Colorado Front Range.  Talkingpoints editorial for environmentalresearchweb.org.http://environmentalresearchweb.org/cws/article/opinion/33501


Enders, S.K., M. Pagani, S. Pantoja, J.S. Baron, A.P. Wolfe, N. Pedentchouk, L. Nuñez. 2008. Compound-specific stable isotopes of organic compounds from lake sediments track recent environmental changes in an alpine ecosystem, Rocky Mountain National Park (United States of America).  Limnology and Oceanography 53(4):1468-1478.


Christensen, L., C.L. Tague, J.S. Baron. 2008. Spatial patterns of simulated transpiration response to climate variability in a snow-dominated mountain ecosystem.  Hydrological Processes 22:3576-3588.

Myers, M.A., M.A. Ayers, J.S. Baron, P.R. Beauchemin, K.T. Gallagher, M.B. Goldhaber, D.R. Hutchinson, J.W. LaBaugh, R. Sayre, S.E. Schwarzbach, E.S. Schweig, J. Thormosgard, C. van Riper III, W. Wilde.  2007. US Geological Survey updates science goals for the coming decade.  Science 318:200-201.


U.S. Geological Survey, 2007.  Facing tomorrow’s challenges – US Geological Survey science in the decade 2007-2017.  USGS Circular 1309.


Nichols, E., J. Baron, R. Dirzo, J. Sarukhàn, A. Persic, and S. Arico. 2007.  New Ecological Knowledge and Practices for Society and Sustainability.  Front. Ecol. Environ. 5(4):W5-W7.


Hartman, M.D., J.S. Baron, D.S. Ojima. 2007. Application of a coupled ecosystem-chemical equilibrium model, DayCent-Chem, to stream and soil chemistry in an alpine watershed.  Ecol. Modeling 200:493-510.


Stephenson, N., D. Peterson, D. Fagre, C. Allen, D. McKenzie, J. Baron, K..O’Brian. 2006. Response of Western Mountain Ecosystems to Climatic Variability and Change:  The Western Mountain Initiative.  Park Science 24:24-29.


Baron, J.S. 2006.Hindcasting Nitrogen Deposition to Determine an Ecological Critical Load.  Ecol. Appl. 16:433-439.


Groffman, P.M., J.S. Baron, T. Blett, A.J. Gold, I. Goodman, L.H. Gunderson, B.M. Levinson, M.A. Palmer, H.W. Paerl, G.D. Peterson, N.L. Poff, D.W. Rajeski, J.F. Reynolds, M.G. Turner, K.C. Weathers, J. Wiens, 2006.  Ecological thresholds: the key to successful environmental management, or an important concept with no practical application? Ecosystems 9:1-13.


Hobbs, R.J., S. Arico, J. Aronson, J.S. Baron, P. Bridgewater, V.A. Cramer, P.R. Epstein, J.J. Ewel, C. A. Klink, A E. Lugo, D. Norton, D. Ojima, D.M. Richardson, E.W. Sanderson, F. Valladares, M. Vilà, R. Zamora, M. Zobel. 2006.  Novel ecosystems: theoretical and management aspects of the new ecological world order.  Global Ecology and Biogeography 15:1-7.


Burkett, V.R., D.A. Wilcox, R. Stottlemyer, W. Barrow, D. Fagre, J. Baron, J. Price, J.L. Nielsen, C.Allen, D.L. Peterson, G. Ruggerone, T. Doyle.  2005. Nonlinear dynamics in ecosystem response to climatic change: Case studies and policy implications.  Ecological Complexity 2:357-394.


Baron, J.S., R.T. Conant, T. Owens, W. Langer, A. R. Arnold, 2005.  Taking the pulse of Colorado’s Front Range: developing regional indicators of environmental and quality of life condition.  USGS Fact Sheet 2005-3021.


Myerson, L.A., J.S. Baron, J.M. Melillo, R.J. Naiman, R.I. O’Malley, G. Orians, M.A. Palmer, A.S.P. Pfaff, S.W.Running, O.E. Sala. 2005.  Aggregate measures of ecosystem services: can we take the pulse of nature?  Front. Ecol. Environ. 3:56-59.


Nydick, KR, BM Lafrancois, JS Baron, and BM Johnson. 2004. Nitrogen regulation of algal biomass, productivity, and composition in small mountain lakes. Canadian Journal of Fisheries & Aquatic Science 61:1256-1268.


Lafrancois, B.M., K.R. Nydick, B.M. Johnson J.S. Baron. 2004. Cumulative effects of nutrients and pH on the plankton of two mountain lakes.  Can. J. Fish.Aquat. Sci. 61:1153-1165.


Nydick, K.R., B. Moraska Lafrancois, and J.S. Baron. 2004. NO3 uptake in shallow, oligotrophic mountain lakes: the influence of elevated NO3 concentrations.  Jour. No. Amer. Benthol. Soc. 23:397-415.


Nydick, K.R., B. Moraska Lafrancois, J.S. Baron, and B.M. Johnson.  2003. Seasonal coherence and responses to nutrient enrichment in three subalpine lakes, Colorado Rocky Mountains, USA.  Hydrobiologia 510:103-114.


Baron, J.S. 2004. Research in National Parks.Introduction to Forum on same topic. Ecol. Appl.14:3-4.


Baron, J.S. and N. L. Poff.  2004. Sustaining healthy freshwater ecosystems.  Invited paper for Water Resources Update 127: 52-58.Universities Consortium of Water Resources.(UCOWR).


Wolfe, A.P., Van Gorp, A.C. & J.S. Baron, 2003. Recent ecological and biogeochemical changes in alpine lakes of Rocky Mountain National Park (Colorado, U.S.A.): a response to anthropogenic nitrogen deposition. Geobiology 1: 153-168.


Rueth, H.M., J.S. Baron, and E.J. Allstott. 2003.  Responses of old-growth Engelmann spruce forests to nitrogen fertilization.  Ecological Applications 13:664-673.


Fenn,M.E.,  R. Haeuber, G.S. Tonnesen, J.S. Baron, S Grossman-Clarke, D. Hope, S. Jaffe, S. Copeland, L. Geiser, H. M. Rueth, and J.O. Sickman. 2003.  Nitrogen Emissions, Deposition and Monitoring in the Western United States. BioScience 53:391-403.


Fenn, M.E.  J.S. Baron, E.B. Allen, H. M. Rueth, K.R. Nydick, L. Geiser, W.D. Bowman, J. O. Sickman, T.Meixner, and D. W. Johnson. 2003, Ecological Effects of Nitrogen Deposition in the Western United States. BioScience 53:404-420.


Lafrancois, B. Moraska, D.M. Carlisle, K.R. Nydick, B.M. Johnson, J.S. Baron.  2003. Relating environmental characteristics to benthic invertebrate assemblages in Colorado Front Range Lakes.  Western North American Naturalist 63:137-154.


Baron, J.S., N.L. Poff, P.L. Angermeier, C.N. Dahm, P.H. Gleick, N.G. Hairston, Jr., R.B. Jackson, C.A. Johnston, B.G. Richter, A.D. Steinman.  2003.  Sustaining Healthy Freshwater Ecosystems.   Issues in Ecology #10.  Ecological Society of America, 1707 H Street, NW, Washington DC, 20006


Kester, C.L., J.S. Baron, and J.T. Turk.  2003.  Isotopic study of sulfate sources and residence times in a subalpine watershed.  Environmental Geology 43:606-613.


Baron, J.S., N.L. Poff, P.L. Angermeier, C.N. Dahm, P.H. Gleick, N.G. Hairston, Jr., R.B. Jackson, C.A. Johnston, B.G. Richter, A.D. Steinman. 2002. Meeting ecological and societal needs for freshwater: the case for equity.  Ecol. Appl.12:1247-1260.


Rueth, H.M., and J.S. Baron. 2002. Differences in Englemann spruce forest biogeochemistry east and west of the Continental Divide in Colorado, USA.   Ecosystems 5:45-57.


Baron, J.S. 2001.Lessons learned from long-term ecosystem research and monitoring in alpine and subalpine basins of the Colorado Rocky Mountains, USA.Ekológia (Bratislava) 20:25-30.


Rueth, H.M., and J.S. Baron. 2001.  Engelmann spruce nitrogen dynamics across a nitrogen deposition gradient in Colorado, USA.  Ekológia (Bratislava) 20:43-49.


Wolfe, A.P., J.S. Baron, and R.J. Cornett, 2001. Unprecedented changes in alpine ecosystems related to anthropogenic nitrogen deposition. Jour. Paleolimnology 25:1-7


Baron J.S., H.M. Rueth, A.P. Wolfe, K.R. Nydick, E.J. Allstott, J.T. Minear, B. Moraska. 2000 Ecosystem responses to nitrogen deposition in the Colorado Front Range.  Ecosystems 3: 352-368.


Walko, R.L., L.E. Band, J. Baron, T.G.F. Kittel, R. Lammers, T.J. Lee, R.A. Pielke, Sr., C. Taylor, C. Tague, C.J. Tremback, and P.L. Vidale. 2000. Coupled atmosphere-terrestrial ecosystem-hydrology models for environmental modeling.  Jour. Appl. Meteorol. 39:931-944.


Murdoch, P., J.S. Baron, and T. Miller. 2000.  Potential effects of climate change on surface water quality in North America.  Journal of the American Water Resources Association 36:347-366.


Baron, J.S., D.M. Theobald, and D.Fagre.  2000.  Management of land-use conflicts in the United States Rocky Mountains.  Mountain Research and Development 20:24-27.


Baron, J.S., and N. Caine. 2000. The temporal coherence of two alpine lake basins of the Colorado Front Range, USA. Freshwater Biology 43: 463-476.


Baron, J.S., M. Hartman, L.E. Band, and R.Lammers. 2000. Sensitivity of a high elevation Rocky Mountain watershed to altered climate and CO2.  Water Resources Research 36:89-99.


Baron, J.S., and M.W. Williams. 2000.  Preface to special section: recent Loch Vale Watershed research.  Water Resources Research 36: 11-12.


Campbell, D.H., J.S. Baron, K. Tonnessen, P. Brooks, and P. Schuster. 2000. Controls on nitrogen flux in alpine/subalpine watersheds.  Water Resources Research 36: 37-47.


Meixner, T., R.C. Bales, M.W. Williams, D.H. Campbell, and J.S. Baron.2000.Stream chemistry modeling of two watersheds in the Front Range, Colorado.  Water Resources Research 36: 77-87.


Sorrano, P.A., K.E. Webster, J.L. Riera, T.K. Kratz, J.S. Baron, P.A. Bukaveckas, G.W. Kling, D.S. White, N. Caine, R.C. Lathrop, and P.R. Leavitt.  1999. Spatial variation among lakes within landscapes: ecological organization along lake chains.  Ecosystems 2:395-410.


Hartman, M.D., J.S. Baron, R.B. Lammers, D.W. Cline, L.E. Band, G.E. Liston, and C. Tague.  1999. Simulations of snow distribution and hydrology in a mountain basin.  Water Resources Research, 35:1587-1603.


Chase, T.N., R.A. Pielke, T.G.F. Kittel, J. Baron. 1999. Impacts on Rocky Mountain weather and climate due to land use changes in the adjacent Great Plains.  Jour. Geophys. Resear. 104, D14:16,673-16,690.


Baron, J.S., M.D. Hartman, T.G.F. Kittel, L.E. Band, D.S. Ojima, and R.B. Lammers. 1998. Effects of land cover, water redistribution, and temperature on ecosystem processes in the South Platte Basin. Ecol. Applications 8:1037-1051.


Rapport, D.J., C. Gaudet, J.R. Karr, J.S. Baron, C. Bohlen, W. Jackson, B. Jones, R.J. Naiman, B. Norton, and M.M. Pollock.  1998. Evaluating landscape health: integrating societal goals and biophysical processes.  Jour. Environmental Management 53:1-15.


Fenn, M.E., M. Poth, J.D. Aber, J.S. Baron, B.T. Bormann, D.W. Johnson, A.D. Lemly, S.G. McNulty, D.F. Ryan, and R. Stottlemyer.  1998. Nitrogen excess in North American ecosystems: a review of predisposing factors, geographic extent, ecosystem responses, and management strategies.  Ecological Applications 8:706-733.


Stohlgren, T.J., T.N. Chase, R.A. Pielke, T.G.F. Kittel, and J.S. Baron. 1998. Evidence that local land use practices influence regional climate and vegetation patterns in adjacent natural areas.  Global Change Biology 4:495-504.


Baron, J.S., T. Lafrancois, and B. Kondratieff. 1998. Chemical and biological characteristics of desert rock pools in intermittent streams of Capitol Reef National Park, Utah.  Great Basin Naturalist 58:250-264.


Baron, J. S., and D. H. Campbell.  1997. Nitrogen fluxes in a high elevation Rocky Mountain basin.  Hydrologic Processes 11:783-799.


Hauer, R., J.S. Baron, D.H. Campbell, K.D. Fausch, S.W. Hostettler, G.H. Leavesley, P.R. Leavitt, D.M. McKnight, and J.A. Stanford.  1997. Assessment of climate change and freshwater ecosystems of the Rocky Mountains, US and Canada.  Hydrol. Proc. 11: 903-924.


McKnight, D.M., R. Harnish, R.L. Wershaw, J.S. Baron, and S. Shiff.  1997. Chemical characteristics of particulate and dissolved organic material in Loch Vale Watershed, Rocky Mountain National Park.  Biogeochemistry 36:99-124.


Huang Jian-hui, Jill Baron, and Dan Binkley.  1996.  The contribution of wetlands to stream nitrogen load in the Loch Vale Watershed, Colorado, USA.  ActaPhytoecologiaSinica 20:289-302.


Williams, M. W., J. S. Baron, N. Caine, R. A. Sommerfeld, and R.L. Sanford. 1996. Nitrogen saturation in the Rocky Mountains.  Environmental Science and Technology, 30: 640-646.


Baron, J.S., E.J. Allstott, and B.K. Newkirk. 1995.  Analysis of long term sulfate and nitrate budgets in a Rocky Mountain Basin.  pp. 255-262 in: K.A. Tonnesson, M.W. Williams, and M. Tranter, eds. Biogeochemistry of Seasonally Snow-covered Catchments. IASH Publication No 228: International Association of Hydrologic Sciences Press. Institute of Hydrology, Wallingford, Oxfordshire, OX10 8BB, UK.


Baron, J., D. S. Ojima, E. A. Holland, and W. J. Parton.  1994.  Analysis of nitrogen saturation potential in Rocky Mountain tundra and forest:  Implications for aquatic systems.  Biogeochemistry, 27:61-82.


Spaulding, S. A., J. V. Ward, and J. Baron.  1993.  Phytoplankton community dynamics under ice cover in The Loch, a lake in Rocky Mountain National Park.  Arch. Hydrobiol. 129:179-198.


Baron, J. and A. S. Denning. 1993. The influence of mountain meteorology on precipitation chemistry at low and high elevations of the Colorado Front Range, USA.  Atmos. Environ. 27A:2337-2349.


Baron, J., D.M. McKnight, and A.S. Denning. 1991.  Sources of dissolved and particulate organic material in Loch Vale watershed, Rocky Mountain National Park, Colorado, USA.  Biogeochemistry 15: 89-110.


Denning, A. S., J. Baron, M. A. Mast and M. Arthur.  1991.  Hydrologic pathways and chemical composition of runoff during snowmelt in Loch Vale Watershed, Rocky Mountain National Park, Colorado, USA.  Water, Air, Soil Pollut. 59:107-123.


Baron, Jill Spann, 1991.Surface water dynamics and biogeochemical fluxes of Loch Vale Watershed, Colorado.Ph.D. Dissertation, Department of Range Science, Colorado State University.


Baron, J. and K. Galvin.  1990.  Future directions of ecosystem science.  BioScience 40:640-642.


McKnight, D. M., R. L. Smith, J. P. Bradbury, J. S. Baron and S. Spaulding.  1990. Phytoplankton dynamics in three Rocky Mountain lakes.  Arctic and Alpine Research 22:264-274.


Mast, M. A., J. I. Drever and J. Baron.  1990.  Chemical weathering in the Loch Vale watershed, Rocky Mountain National Park, Colorado.  Water Resources Research 26:2971-2978.


Bigelow, D. S., A. S. Denning and J. Baron.  1990.  Differences between nipher and alter shielded rain gages at two Colorado deposition monitoring sites.  Environmental Science & Technology 24:758-760.


Baron, J., S. A. Norton, D. R. Beeson and R. Herrmann.  1986.  Sediment diatom and metal stratigraphy from Rocky Mountain lakes with special reference to atmospheric deposition.  Canadian J. Fisheries and Aquatic Sci. 43:1350-1362.


Norton, S. A., C. T. Hess, G. M. Blake, M. L. Morrison and J. Baron.  1985.  Excess unsupported 210Pb in lake sediment from Rocky Mountain lakes:  a groundwater effect.  Canadian J. Fisheries and Aquatic Sci. 42:1249-1254.


Heit, M., C. Klusek and J. Baron.  1984.  Evidence of deposition of anthropogenic pollutants in remote Rocky Mountain lakes.  J. Air Water Soil Pollu. 22:403-416.


Baron, J.  1983.  Comparative water chemistry of four lakes in Rocky Mountain National Park.  Water Res. Bull. 19(6):897-902.


Baron, J.  1982.  Effects of feral hogs (Sus scrofa) on the vegetation of Horn Island, Mississippi.  Am. Midl. Nat. 107:202-205.


Baron, Jill Spann. 1979.  Vegetation damage by feral hogs on Horn Island, Gulf Islands National Seashore, Mississippi.  M.S. Thesis, University of Wisconsin – Madison.

Book Chapters

Pardo, L.H., M. J., Robin-Abbott, M. E. Fenn,  C. L. Goodale, L. H. Geiser, C. T. Driscoll, E. B. Allen, J. S. Baron, R. Bobbink,  W. D. Bowman, C. M. Clark, B. Emmett, F. S. Gilliam, T. L. Greaver, S. J. Hall, E. A. Lilleskov, L. Liu, J. A. Lynch, K. J. Nadelhoffer, S. S. Perakis, J. L. Stoddard, K. C. Weathers and R. L. Dennis, 2015. Empirical critical loads for nitrogen for ecoregions of the United States. In W. de Vries, J-P. Hettelingh & M. Posch (eds) Critical Loads and Dynamic Risk Assessments: Nitrogen, Acidity and Metals in Terrestrial and Aquatic Ecosystems. Springer, Dordrecht, Netherlands: 129-169.

Chapin III, FS, S.T.A. Pickett, M E. Power, S.L. Collins, J.S. Baron, D.W. Inouye, and M.G. Turner. 2015. Earth Stewardship: An Initiative by the Ecological Society of America to Foster Engagement to Sustain Planet Earth. Pp. 173-194 in R. Rozzi, F.S. Chapin III, J.B. Callicott, STA Pickett, ME Power, JJ Armesto, RH May, Jr., eds. Earth Stewardship: Linking Ecology and Ethics in Theory and Practice. Springer, New York.

Baron, J.S., M. Barber, A. Feest, F. Gilliam,  X. Lu, C.J. Stevens, S. Woodin, R. Bobbink,  M. Adams, J. Agboola, E. Allen, B. Bealy, M. Bobrovsky, W.D. Bowman, C. Branquinho, M. Bustamente, C.M. Clark, E. Cocking, C. Cruz, E. Davidson, T. Denmead, T. Dias, N. Dise, I. Harrison, J.N. Galloway, L. Geiser,  L. Khanina, E. Manrique, R. Ochoa-Hueso, J.P. Ometto, R. Payne, T. Scheuschner, L.J. Sheppard, G. Simpson, Y.V. Singh, I. Strachan, H. Sverdrup, N. Tokuchi, H. van Dobben.  2014. The effects of atmospheric N deposition on terrestrial and freshwater biodiversity.  Ch. 49 in: W.K. Hicks and R. Haeuber, eds.  Pp. 465-480.  Nitrogen Deposition, Critical Loads and Biodiversity. Springer, New York.

Hicks, W.K., R. Haeuber, M.A. Sutton, W. Aas, M Barber, J.S. Baron, T. Blett, S. Carou, T. Clair, J.W. Erisman, A. Leach, J.N. Galloway.  2014. Workshop on nitrogen deposition, critical loads and biodiversity: scientific synthesis and summary for policy makers.  Ch. 52 in: W. K. Hicks and R. Haeuber, eds.  Pp. 507-526.  Nitrogen Deposition, Critical Loads and Biodiversity. Springer, New York.

Bowman WD, Halada L, Hreško, J, Cleveland, CC, Baron JS, and Murgel J. 2014. How much is too much? Nitrogen critical loads and acidification and acidification in oligotrophic ecosystems.  Pp. 305-310. Ch 32 in W. K. Hicks and R. Haeuber, eds.  Pp. 507-526.  Nitrogen Deposition, Critical Loads and Biodiversity. Springer, New York.

JS Baron, EK Hall, BT Nolan, JC Finlay, ES Bernhardt, JA Harrison, F. Chan, EW Boyer. 2012. The interactive effects of excess reactive nitrogen and climate change on aquatic ecosystems and water resources of the United States. Chapter 5 in: Emma Suddick and Eric Davidson, editors.  The role of nitrogen in climate change and the impacts of climate-nitrogen interactions on terrestrial and aquatic ecosystems, agriculture and human health in the United States.  A technical report submitted to the US National Climate Assessment.  North American Nitrogen Center of the International Nitrogen Initiative (NANC-INI), Woods Hole Research Center, 149 Woods Hole Road, Falmouth, MA, 02540-1644, USA.

Burns, D.A., M.E. Fenn, J.S. Baron. 2012.  Effects of Acid Deposition on Ecosystems: Advances in the State-of-the-Science.  Chapter 3, pp. 45-70 in D.A. Burns, Lead Author, National Acid Precipitation Assessment Program Report to Congress 2011: an integrated assessment.  Report to Congress, US Office of Science and Technology Policy.  132 pp.

Peterson, D.L., C.D. Allen, J.S. Baron, D.B. Fagre, D. McKenzie, N.L. Stephenson, A.G. Fountain, J.A. Hicke, G.P. Malanson, C.L. Tague, and P.J. van Mantgem. 2011. Response of Western mountain ecosystems to climatic variability and change: a collaborative research approach. Pp 163-190 In J. Belant and E. Beever (eds.), Ecological Consequences of Climate Change: Mechanisms, Conservation, and Management. Taylor and Francis Publishing, New York, NY.

Bowman, W.D., J.S. Baron, L.H. Geiser, M.E. Fenn, E. A. Lilleskov. 2010. Northwestern Forested Mountains.  Chapter 8 in: Pardo, L.H., Robin-Abbott, M.J., Driscoll, C.T, Eds., Assessment of N deposition effects and empirical critical loads of N for ecoregions of the United States. General Technical Report NRS-80 Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station, 291 p

Baron, J.S., C.T. Driscoll, J.L. Stoddard. Inland Surface Waters.  2010. Chapter 18 in: Pardo, L.H., Robin-Abbott, M.J., Driscoll, C.T, Eds., Assessment of N deposition effects and empirical critical loads of N for ecoregions of the United States. General Technical Report NRS-80 Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station, 291 p

Pardo, L.H., L.H. Geiser, M.E. Fenn, C.T. Driscoll, C.L. Goodale, E.B. Allen, J.S.Baron, R. Bobbink, W.D. Bowman, C. Clark, B. Emmett, F.S. Gilliam, T. Greaver,S.J. Hall, E.A. Lilleskov, L. Liu, J.A. Lynch, K. Nadelhoffer, S. Perakis, M.J. Robin-Abbott, J.L. Stoddard, K. Weathers. 2010. Synthesis.  Chapter 19 in: Pardo, L.H., Robin-Abbott, M.J., Driscoll, C.T, Eds., Assessment of N deposition effects and empirical critical loads of N for ecoregions of the United States. General Technical Report NRS-80 Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station, 291 p

Körner, C., M. Ohsawa, E. Spehn, E. Berge, H. Bugmann, B. Groombridge, L. Hamilton, T. Hofer, J. Ives, N. Jodha, B. Messerli, J. Pratt, M. Price, M. Reasoner, A. Rodgers, J. Thonell, M. Yoshino, J. Baron, R. Barry, J. Blais, R. Bradley, R. Hofstede, V. Kapos, P. Leavitt, R. Monson, L. Nagy, D. Schindler, R. Vinebrooke, T. Watanabe.  2006. Mountain Systems.  Chapter 24 in: Millennium Ecosystem Assessment. Current State and Trends: Findings of the Condition and Trends Working Group.  Ecosystems and Human Well-being, vol.1, Island Press, Washington DC.

Baron, J.S., K.R. Nydick, H.M. Rueth, B.M. Lafrancois, and A.P. Wolfe. 2005.  High elevation ecosystem responses to atmospheric deposition of nitrogen in the Colorado Rocky Mountains, USA.  Global Change and Mountain Regions: A State of Knowledge Overview.  Ulli M. Huber, Harald K.M. Bugmann, and M.A. Reasoner, eds.  Kluwer Academic Publishers, Dordrecht, The Netherlands.

Baron, J.S. S. Del Grosso, D.S. Ojima, D.M. Theobald, and W.J. Parton. Nitrogen Emissions Along the Colorado Front Range: Response to Population Growth, Land and Water Use Change, and Agriculture.  2004. pp. 117-127 in: R. DeFries, G. Asner, R. Houghton, eds.  Ecosystem Interactions and Land Use Change.Geophysical Monograph Series 153, American Geophysical Union.

Baron, J., J. Botte, and R. Shory, 2004.Effects of Atmospheric Nitrogen Deposition on High Elevation Colorado Forests. pp. 10-14 in:  Warren R. Keammerer and Jeffrey Todd, eds. Proceedings, HIGH ALTITUDE REVEGETATION WORKSHOP NO. 16.  Colorado State University, Fort Collins, Colorado, March 3-5, 2004.

Austin, A.T., RW Howarth, JS Baron, FS Chapin III, TR Christensen, E A Holland, MV Ivanov, AY Lein, L A Martinelli, JM Melillo, and Chao Shang. 2003.  Pp. 15-45 in:  Scope 61.  Interactions of the major biogeochemical cycles: global change and human impacts.  J.M. Melillo, C.B. Field, and B. Moldan, eds. Island Press, Covelo, CA.

Reiners, W.A., W.L. Baker, J.S. Baron, D.M. Debinski, S.A. Elias, D.B. Fagre, J.S. Findlay, L.O. Mearns, D.W. Roberts, T.R. Seastedt, T.J. Stohlgren, T.T. Veblen, F.H. Wagner. 2003.  Natural Ecosystems I: the Rocky Mountains.  Pp. 145-184 in: F.H. Wagner, editor, Preparing for Climate Change: Rocky Mountain/Great Basin Regional Climate Change Assessment, a report of the Rocky Mountain/Great Basin regional assessment team for the U.S. Global Change Research Program.  Utah State University, 240 pp.

Rueth, H.M., J. S. Baron, L.A. Joyce.  2002.  Natural Resource Extraction: Past, Present, Future.  Pp. 85-112 in J.S. Baron, editor, Rocky Mountain Futures: an ecological perspective.  Island Press, Covelo, CA.

Pepin, D.M., N. L. Poff, and J.S. Baron.  2002. Ecological effects of resource development in running waters.  Pp. 113-132, in J.S. Baron, editor, Rocky Mountain Futures: an ecological perspective.  Island Press, Covelo, CA.

Bowman, W.D., D.M. Cairns, J.S. Baron, and T.R. Seastedt. 2002. Islands in the Sky: alpine and treeline ecosystems of the Rockies.  Pp. 183-202, in J.S. Baron, editor, Rocky Mountain Futures: an ecological perspective.  Island Press, Covelo, CA.

Baron, J.S., 2002.  Rocky Mountain Futures: forecasting a future we do not want.  Pp. 301-306, in J.S. Baron, editor, Rocky Mountain Futures: an ecological perspective.  Island Press, Covelo, CA.

Humphries, H.C. and J. Baron. 2001. Ecosystem structure and function modeling.  Pp 257-272 in: P. Bourgeron, ed. Ecological Assessment Guidebook, Springer-Verlag, New York.

Lugo, A.L., J.S. Baron, T.M. Frost, T.W. Cundy, and P. Dittberner.  1999.  Ecosystem Processes and Functioning.  Pp. 219-254 in: N.C. Johnson, A.J. Malk, W. T. Sexton, and R.C. Szaro, eds. Ecological Stewardship: A Common Reference for Ecosystem Management, Vol. 1.  Elsevier Science, New York.

Wang, Y., T.G. Huntington, L.J. Osher, L.I. Wassenaar, S.E. Trumbore, R.G. Amundson, J.W. Harden, D.M. McKnight, S.L. Schiff, G.R. Aiken, W.B. Lyons, R.O. Aravena, and J.S. Baron.  1998.  Carbon cycling in terrestrial environments.  Pp. 577-610 in: C. Kendall and J.J. McDonnell, eds. Isotope tracers in catchment hydrology.  Elsevier, New York.

Baron, J. S., and D. H. Campbell.  1997. Nitrogen fluxes in a high elevation Rocky Mountain basin.  Pp. 373-390 in: N.E. Peters, O.P. Bricker, and M.M. Kennedy, eds. Water Quality Trends and Geochemical Mass Balance, Wiley, New York.

Baron, J.S., D.S. Ojima, M.D. Hartman, T.G.F. Kittel, R.B. Lammers, L.E. Band, and R.A. Pielke. 1997. The influence of land cover and temperature change on hydrological and ecosystem dynamics in the South Platte River Basin. Pp. 279-286 in: J.W. Warwick, ed.  AWRA/UCOWR Symposium on Water Resources Education, Training, and Practice: Opportunities for the Next Century. Amer. Wat. Resour. Assoc., Herndon VA.

Copeland, J.H., T.N. Chase, J. Baron, T.G.F. Kittel, and R.A. Pielke.  1996. Impacts of vegetation change on regional climate and downscaling of GCM output to the regional scale.  pp. 199-212 in: S.J. Ghan, W.T.Pennell, K.L. Peterson, E. Rykiel, M.J. Scott, and L.W. Vail, eds. Regional Impacts of Global Climate Change: Assessing Change and Response at the Scales that Matter.  Battelle Press, Richland, WA.

Stohlgren, T.J., J. Baron, T.G.F. Kittel, and D. Binkley. 1995. Ecosystem trends in the Colorado Rockies. pp. 310-313 in Our Living Resources, 1995: A Report to the Nation on the Distribution, Abundance, and Health of U.S. Plants, Animals, and Ecosystems.  National Biological Service, Washington, D.C.

Pielke, R. A., T. J. Lee, T. G. F. Kittel, T. N. Chase, J. M. Cram, and J. S. Baron.  1994.  Effects of mesoscale vegetation distribution in mountainous terrain on local climate.  Pp. 121-135 in: Martin Beniston (ed.) Mountain Environments in Changing Climates.  Routledge Press, New York, NY.

Baron J., R. A. Pielke, W. J. Parton, D. S. Ojima, T. B. Kirchner, S. W. Running, and T. G. F. Kittel.  1992.  Dynamic land surface/atmosphere parameterization for the South Platte River drainage.  Pages 273-283 in R. Herrmann (ed.) Am. Water Resour. Assoc. Symposium Proceedings:  Managing Water Resources During Global Change.  Bethesda, MD.

Pielke, R. A., J. Lee, T. G. F. Kittel, J. Baron and T. Chase.  1992.  Influence of landscape structure on the hydrologic cycle and regional and global climate.  Pages 284-298 in R. Herrmann (ed.) Am. Water Resour. Assoc. Symposium Proceedings:  Managing Water Resources During Global Change.  Bethesda, MD.

Baron, J.  1992.  Introduction.  Pages 1-11 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J. and M. A. Mast.  1992.  Regional characterization and setting for the Loch Vale Watershed study.  Pages 12-27 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J. and A. S. Denning.  1992.  Hydrologic budget estimates.  Pages 28-47 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J., A. S. Denning and P. McLaughlin.  1992.  Deposition.  Pages 48-75 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J., P. M. Walthall, M. A. Mast and M. A. Arthur.  1992.  Soils.  Pages 108-141 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J.  1992.  Surface waters.  Pages 142-186 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J.  1992.  Biogeochemical fluxes.  Pages 218-231 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J.  1992.  Management implications.  Pages 232-236 in J. Baron (ed.) Biogeochemistry of a Subalpine Ecosystem.Loch Vale Watershed.  Ecological Studies 90, Springer-Verlag, New York.

Baron, J.  1991.  Paleolimnological reconstructions of atmospheric deposition trends in the Rocky Mountain National Park.  Pp. 34-37 in: P. F. Ffolliott and W. T. Swank (eds.), People and the Temperate Region: A Summary of Research from the United States Man and Biosphere Program, Temperate Forests Directorate.  Department of State Pub.#9838, NTIS, Springfield, VA.

Baron, J.  1991.  Factors influencing precipitation chemistry in the arid west.  In: Acid Rain and Air Pollution in Desert Park Areas.  National Parks Service Air Quality Division Report.NPS/NRAQD/NRTR-91/01, Tucson, AZ.

Baron, J. and O. P. Bricker.  1987.  Hydrologic and chemical flux in Loch Vale Watershed, Rocky Mountain National Park.  Pages 141-156 in D. McKnight and R. C. Averett (eds.) Chemical Quality of Water and the Hydrologic Cycle. Lewis Publishers, Ann Arbor, Mich.

Baron, J. and P. M. Walthall.  1985.  The nature of precipitation, soil and surface water chemistry in a subalpine ecosystem.  Pages 492-508 in D. E. Caldwell, J. A. Brierly and C. L. Brierly (eds.) Planetary Ecology.  Van Nostrand, Reinhold, Co. Publ.

Non-Refereed Publications

Templer, PH, K Fallon Lambert, M Weiss, JS Baron, CT Driscoll, DR Foster. 2016. Using Science-Policy Integration to Improve Ecosystem Science and Inform Decision-Making: Lessons from U.S. LTERs. Ecological Society of America Bulletin 97:123-128.

J.S. Baron, T. Seastedt, D. Fagre, J.A. Hicke, D. Tomback, E. Garcia, Z. Bowen, and J A. Logan 2013. Symposium 9: Rocky Mountain Futures: Preserving, Utilizing, and Sustaining Rocky Mountain Ecosystems. Bulletin of the Ecological Society of America 94:195–199. http://dx.doi.org/10.1890/0012-9623-94.2.195

Hartman, M.D., and J.S. Baron. 2009.Using a Coupled Ecosystem-Geochemical Model to Assess Ecological, Biogeochemical, and Hydrological Processes and Their Responses to Atmospheric Deposition and Climate Change for Diverse Ecosystems Within the United States.p.23 in:Brady, S.R., ed.., 2009, Proceedings of the Second All-USGS Modeling Conference, February 11–14, 2008—Painting the Big Picture: U.S. Geological Survey Scientific Investigations Report 2009–5013, 70 p., available only online at http://pubs.usgs.gov/sir/2009/5013

Baron, J.S., and L. A. Joyce.  2009.  Guidelines for helping natural resources adapt to climate change.  Mountain Views, the newsletter of the Consortium for Integrated Climate Research in Western Mountains CIRMOUNT 3 (1):7-11.

Baron, Jill S., Susan Herrod Julius, Jordan M. West, Linda A. Joyce, Geoffrey Blate, Charles H. Peterson, Margaret Palmer, Brian D. Keller, Peter Kareiva, J. Michael Scott, Brad Griffith. 2008.  Some guidelines for helping natural resources adapt to climate change. IHDP Update 2:2008; 46-52.

Botte, J.A., and J. Baron.  2004.  Quality Assurance Report, Loch Vale Watershed, 1999-2002.  USGS Open-File Report 2004-1306.17 pp.

Allstott, E.J., M.J. Bashkin, and J.S. Baron. 1999.  Quality Assurance report, Loch Vale Watershed Study, 1995-1998.  USGS Open-File Report 99-111, 38 p.

Baron, J.S. and A. Parsons.  1999.  Biography of Diana Wall, ESA President 1999-2000.  Bull. Ecol. Soc. Amer. 91:18-19.

Wagner, F.H., and J. Baron. 1999.  Proceedings of the Rocky Mountain/Great Basin Regional Climate Change Workshop, Feb. 16-18, 1998. Salt Lake City, UT. US National Assessment of the Consequences of Climate Change. US Global Change Research Program, Washington, DC.151 pp.

Walko, R.L., L.E. Band, J. Baron, T.G.F. Kittel, R. Lammers, T.J. Lee, R.A. Pielke, Sr., C. Taylor, C. Tague, C.J. Tremback, and P.L. Vidale. 1998. Coupled atmosphere-terrestrial ecosystem-hydrology models for environmental modeling.  Colorado State Department of Atmospheric Science Report #9.50 pp.

Balk, Ben, Kelly Elder, and Jill Baron.  1998.  Estimating the spatial distribution of snow water equivalence in a mountain watershed using geostatistical methods.  Pp. 100-111 in: C.R. Troendle, ed. Western Snow Conference Proceedings, Snowbird, UT. April 1998.

Baron J.S. and J.T. Turk.  1998. Aquatic Ecosystems.  Pp. 4-18 in: Haddow, D., R. Musselman, T. Blett, R. Fisher, technical coords. Guidelines for evaluating air pollution impacts on wilderness within the Rocky Mountain region: report of a workshop, 1990. General Technical Report RMRS-GTR-4.Fort Collins CO. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 31.Pp.

Baron, J.S., M.D. Hartman, L.E. Band, and R.L. Lammers.  1998. Sensitivity of high elevation Rocky Mountain watersheds to climate change.  Pp. 269-273 in: Proceedings of the Fifth National Watershed Conference, Reno NV, May 1997.

Baron, J.S., D.S. Ojima, M.D. Hartman, T.G.F. Kittel, R.B. Lammers, L. Band, R.A. Pielke. 1996. The influence of spatial patterns of landcover and use on hydrological and ecosystem dynamics at the mountain plains interface in the Central United States.  pp. 50-53 in: Proceedings of IGBP/BAHC-LUCC Joint Inter-core projects symposium on interactions between the hydrological cycle and land use/cover.  Kyoto, Japan.

Pielke, R.A., J. Baron, T. Chase, J. Copeland, T.G.F. Kittel, T.J. Lee, R. Walko, and X. Zeng.  1996.  Use of mesoscale models for simulation of seasonal weather and climate change for the Rocky Mountain States.  Pages 99 103, in: GIS and Environmental Modeling: Progress and Research Issues.  M.F. Goodchild, L.T. Steyaert, B.O. Parks, C. Johnston, D. Maidment, M. Crane, and S. Glendinning (eds.). GIS World, Inc., Ft. Collins, CO.

Baron, J.S. 1996.  Precipitation and Lake Chemical Composition in the Wind River Mountains of Wyoming: Analysis of US Forest Service and NADP data.  Report prepared for the USFS Bridger-Teton National Forest.  43 pp.

Baron, J.S.  1996. The Annual Meeting Frenzy.  Guest editorial, Bull. Ecol. Soc. Amer.: 77.

Stohlgren, T.J., J. Baron, and T.G.F. Kittel. 1993. Understanding coupled climatic, hydrological, and ecosystem responses to global climate change in the Colorado Rockies Biogeographical Area. pp. 184-200 in W.E. Brown and S.D. Veirs, Jr., eds. Partners in Stewardship: Proceedings of the 7th Conference on Research and Resource Management in Parks and on Public Lands.  George Wright Society, Hancock, MI.

Baron, Jill, Roger Pielke, Bill Parton, Larry Band, and Steve Running. 1994. Dynamic land surface/atmospheric parameterization at different spatial scales in the Colorado Rocky Mountains.  pp. 34-36 in: P.H. Gleick, A. Rango, and K. Cooley, eds. Proceedings of a workshop on the use of hydrological models for evaluating the impacts of climate change in snowmelt water supply basins.  Santa Fe, NM, April 1993.  Pacific Institue for Studies in Development, Environment, and Security. Oakland, CA 94612.

Pielke, R. A., J. Baron, T. Chase, J. Copeland, T. G. F. Kittel, T. J. Lee, R. Walko, and X. Zeng.  1993. Use of mesoscale models for simulation of seasonal weather and climate change for the Rocky Mountain states.  NCGIA Conference, Breckenridge, CO, September 1993.

Pielke, R. A., T. J. Lee, T. G. F. Kittel, J. M. Cram, T. N. Chase, G. A. Dalu and J. S. Baron.  1992.  The effect of mesoscale vegetation distribution on the hydrologic cycle and regional and global climate, pp. 82-87 in: Preprints Conference on Hydroclimatology:  Land-Surface/Atmosphere Interactions on Global and Regional Scales.  American Meteorological Society, Jan. 17-22, 1993.

Baron, J.  1993.  Grant Harvesting.  Bull. Ecol. Soc. Am. 74:50-51.

Baron, J.  1991.  Addressing global change — from a global perspective.  The George Wright Forum 7:37-40.

Baron, J.  1991.  How has the National Park Service Gained from Acid Rain Research.  Page 29 in: Highlights of Natural Resources Management 1990.  National Park Service Natural Resources Report NPS/NRPO/NRR-91/03.

Baron, J.  1990.  Findings from Ecological Research Program.  Page 19 in: Highlights of natural Resources Management 1989.  National Park Service Natural Resources Report NPS/NRPO/NRR-90/02.

Baron, J. S.  1987.  Acidic Deposition in Colorado:  Effects on Water Quality.  In Proc. Conf. Environmental Engineering and Water Resources in Colorado.Colorado State University, Fort Collins.

Herrmann, R. and J. Baron.  1980.  Aluminum mobilization in acid stream environments, Great Smoky Mountains National Park, USA.  Proc. Int. Conf. Ecol. Impact Acid Precip., Norway 1980, SNSF Project.  pp. 218-219.

Herrmann, R. and J. Baron.  1980.  Environmental monitoring in Parks/Biosphere Reserves.  Proceedings of the Second U.S.-Soviet Biosphere Reserves Symposium, 1980.  Everglades, N.P.

Baron, J.  1979.  Damage done by feral hogs to the vegetation of Horn Island, Mississippi.  Pages 473-480 in Proceedings of the Second Conference on Scientific Research in the National Parks, San Francisco, Calif.

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