Featured Publications & Products

• Jovan, Sarah, Dr.; Riddell, Jennifer; Padgett, Pamela E; Nash, Thomas, A. 2012. Eutrophic lichens respond to multiple forms of N: implications for critical levels and critical loads research.
• Fenn, M.E.; Jovan, S., Dr.; Yuan, F.; Geiser, L.; Meixner, T.; Gimeno, B.S. 2008. Empirical and simulated critical loads for nitrogen deposition in California mixed conifer forests.
• Riddell, Jennifer; Jovan, Sarah, Dr.; Padgett, Pamela E.; Sweat, Ken. 2011. Tracking lichen community composition changes due to declining air quality over the last century: the Nash legacy in Southern California.
• McCune, Bruce; Jovan, Sarah, Dr.; Hardman, Amanda. 2008. Changes in forage lichen biomass after insect outbreaks and fuel reduction treatment in the Blue Mountains, Oregon.
• Will-Wolf, Susan; Jovan, Sarah, Dr. 2009. Lichens, ozone, and forest health - exploring cross-indicator analyses with FIA data.

Publications

• Fenn, Mark E.; Preisler, Haiganoush K.; Fried, Jeremy S.; Bytnerowicz, Andrzej ; Schilling, Susan L.; Jovan, Sarah ; Kuegler, Olaf . 2020. Evaluating the effects of nitrogen and sulfur deposition and ozone on tree growth and mortality in California using a spatially comprehensive forest inventory.
• Will-Wolf, Susan ; Jovan, Sarah ; Amacher, Michael C.; Patterson, Paul L. 2020. Lichen elemental indicators for air pollution in Eastern United States forests; a pilot study in the upper Midwest.
• Geiser, Linda H.; Nelson, Peter R.; Jovan, Sarah E.; Root, Heather T.; Clark, Christopher M. 2019. Assessing ecological risks from atmospheric deposition of nitrogen and sulfur to US forests using epiphytic macrolichens.
• Clark, Christopher M.; Simkin, Samuel M.; Allen, Edith B.; Bowman, William D.; Belnap, Jayne ; Brooks, Matthew L.; Collins, Scott L.; Geiser, Linda H.; Gilliam, Frank S.; Jovan, Sarah E.; Pardo, Linda H.; Schulz, Bethany K.; Stevens, Carly J.; Suding, Katharine N.; Throop, Heather L.; Waller, Donald M. 2019. Potential vulnerability of 348 herbaceous species to atmospheric deposition of nitrogen and sulfur in the United States.
• Will-Wolf, Susan ; Jovan, Sarah ; Amacher, Michael C. 2018. Chapter 6 - Lichen species to bioindicate air quality in Eastern United States from elemental composition: lessons from the Midwest.
• Pattison, Robert ; Andersen, Hans-Erik ; Gray, Andrew ; Schulz, Bethany ; Smith, Robert J.; Jovan, Sarah . 2018. Forests of the Tanana Valley State Forest and Tetlin National Wildlife Refuge, Alaska: results of the 2014 pilot inventory.
• Smith, Robert J.; Nelson, Peter R.; Jovan, Sarah ; Hanson, Paul J.; McCune, Bruce . 2018. Novel climates reverse carbon uptake of atmospherically dependent epiphytes: Climatic constraints on the iconic boreal forest lichen Evernia mesomorpha.
• Vizcarra, Natasha; Jovan, Sarah; Gatziolis, Demetrios; Monleon, Vicente. 2018. Of moss and men: Using moss as a bioindicator of toxic heavy metals at the city scale.
• Smith, Robert J.; Jovan, Sarah; McCune, Bruce. 2017. Lichen communities as climate indicators in the U.S. Pacific States..
• Will-Wolf, Susan; Jovan, Sarah; Amacher, Michael C. 2017. Lichen elemental content bioindicators for air quality in upper Midwest, USA: A model for large-scale monitoring.
• Will-Wolf, Susan; Jovan, Sarah; Amacher, Michael C. 2017. Lichen elements as pollution indicators: evaluation of methods for large monitoring programmes.
• Carter, Therese S.; Clark, Christopher M.; Fenn, Mark E.; Jovan, Sarah; Perakis, Steven S.; Riddell, Jennifer; Schaberg, Paul G.; Greaver, Tara L.; Hastings, Meredith G. 2017. Mechanisms of nitrogen deposition effects on temperate forest lichens and trees.
• Bansal, Sheel; Brodie, Leslie; Stanton, Sharon; Waddell, Karen; Palmer, Marin; Christensen, Glenn; Kuegler, Olaf; Chase, John; Thompson, Joel; Jovan, Sarah; Gray, Andrew; Todd, Morgan. 2017. Oregon s forest resources, 2001 2010: ten-year Forest Inventory and Analysis report.
• Smith, Robert J.; Jovan, Sarah ; Gray, Andrew N.; McCune, Bruce . 2017. Sensitivity of carbon stores in boreal forest moss mats - effects of vegetation, topography and climate.
• Simkin, Samuel M.; Allen, Edith B.; Bowman, William D.; Clark, Christopher M.; Belnap, Jayne; Brooks, Matthew L.; Cade, Brian S.; Collins, Scott L.; Geiser, Linda H.; Gilliam, Frank S.; Jovan, Sarah E.; Pardo, Linda H.; Schulz, Bethany K.; Stevens, Carly J.; Suding, Katharine N.; Throop, Heather L.; Waller, Donald M. 2016. Conditional vulnerability of plant diversity to atmospheric nitrogen deposition across the United States.
• Gatziolis, Demetrios; Jovan, Sarah; Donovan, Geoffrey; Amacher, Michael; Monleon, Vicente. 2016. Elemental atmospheric pollution assessment via moss-based measurements in Portland, Oregon.
• Donovan, Geoffrey H.; Jovan, Sarah E.; Gatziolis, Demetrios; Burstyn, Igor; Michael, Yvonne L.; Amacher, Michael C.; Monleon, Vicente J. 2016. Using an epiphytic moss to identify previously unknown sources of atmospheric cadmium pollution.
• Werstak, Charles E., Jr..; Shaw, John D.; Goeking, Sara A.; Witt, Christopher; Menlove, James; Thompson, Mike T.; DeRose, R. Justin; Amacher, Michael C.; Jovan, Sarah; Morgan, Todd A.; Sorenson, Colin B.; Hayes, Steven W.; McIver, Chelsea P. 2016. Utah's forest resources, 2003-2012.
• Jovan, Sarah; Smith, Robert J.; Benavides, Juan C.; Amacher, Michael; McCune, Bruce. 2015. A rapid method for landscape assessment of carbon storage and ecosystem function in moss and lichen ground layers.
• Nowak, David J.; Jovan, Sarah; Branquinho, Christina; Augusto, Sofia; Ribeiro, Manuel C.; Kretsch, Conor E. 2015. Biodiversity, air quality and human health.
• Root, Heather T.; Geiser, Linda H.; Jovan, Sarah; Neitlich, Peter. 2015. Epiphytic macrolichen indication of air quality and climate in interior forested mountains of the Pacific Northwest, USA.
• Smith, Robert J.; Jovan, Sarah; McCune, Bruce. 2015. Evaluating carbon stores at the earth-atmosphere interface: moss and lichen mats of subarctic Alaska.
• Heath, Linda S.; Anderson, Sarah M.; Emery, Marla R.; Hicke, Jeffrey A.; Littell, Jeremy; Lucier, Alan; Masek, Jeffrey G.; Peterson, David L.; Pouyat, Richard; Potter, Kevin M.; Robertson, Guy; Sperry, Jinelle; Bytnerowicz, Andrzej; Jovan, Sarah; Mockrin, Miranda H.; Musselman, Robert; Schulz, Bethany K.; Smith, Robert J.; Stewart, Susan I. 2015. Indicators of climate impacts for forests: recommendations for the US National Climate Assessment indicators system.
• Will-Wolf, Susan; Jovan, Sarah; Neitlich, Peter; Peck, JeriLynn E.; Rosentreter, Roger. 2015. Lichen-based indices to quantify responses to climate and air pollution across northeastern U.S.A.
• Donovan, Geoffrey H.; Jovan, Sarah E.; Gatziolis, Demetrios; Monleon, Vicente J. 2015. Moss as bio-indicators of human exposure to polycyclic aromatic hydrocarbons in Portland, OR.
• Fenn, Mark E.; Fried, Jeremy S.; Preisler, Haiganoush K.; Bytnerowicz, Andrzej; Schilling, Susan; Jovan, Sarah; Kuegler, Olaf. 2015. Remeasured FIA plots reveal tree-level diameter growth and tree mortality impacts of nitrogen deposition on California s forests.
• DellaSala, Dominick A.; Brandt, Patric;   Koopman, Marni; Leonard, Jessica; Meisch, Claude; Herzog, Patrick; Alaback, Paul; Goldstein, Michael I.; Jovan, Sarah; MacKinnon, Andy; von Wehrden, Henrik. 2015. Climate change may trigger broad shifts in North America's Pacific Coastal rainforests.
• Jovan, Sarah; Will-Wolf, Susan; Amacher, Michael. 2015. Lichens Lite chemical analysis of lichens for tracking 26 pollutants.
• Fenn, M.E.; Nagel, H.-D.; Koseva, I.; Aherne, J.; Jovan, S.E., Dr.; Geiser, L.H.; Schlutow, A.; Scheuschner, T.; Bytnerowicz, A.; Gimeno, B.S.; Yuan, F.; Watmough, S.A.; Allen, E.B.; Johnson, R.F.; Meixner, T. 2014. A comparison of empirical and modelled nitrogen critical loads for Mediterranean forests and shrublands in California.
• Will-Wolf, Susan; Morin, Randall S.; Ambrose, Mark J.; Riitters, Kurt; Jovan, Sarah, Dr. 2014. Chapter 6 - Links between land cover and lichen species richness at large scales in forested ecosystems across the United States..
• Jovan, Sarah, Dr. 2014. Chapter 7 - Climate effects on lichen indicators for nitrogen.
• Root, Heather T.; McCune, Bruce; Jovan, Sarah, Dr. 2014. Lichen communities and species indicate climate thresholds in southeast and south-central Alaska, USA.
• Root, Heather T.; Geiser, Linda H.; Fenn, Mark E.; Jovan, Sarah, Dr.; Hutten, Martin A.; Ahuja, Suraj; Dillman, Karen; Schirokauer, David; Berryman, Shanti; McMurray, Jill A. 2013. A simple tool for estimating throughfall nitrogen deposition in forests of western North America using lichens.
• McMurray, Jill A.; Roberts, Dave W.; Fenn, Mark E.; Geiser, Linda H.; Jovan, Sarah, Dr. 2013. Using epiphytic lichens to monitor nitrogen deposition near natural gas drilling operations in the Wind River Range, WY, USA.
• Jovan, Sarah. , Dr. 2012. Epiphytic Macrolichen Community Composition Database epiphytic lichen synusiae in forested areas of the US.
• Jovan, Sarah E. 2012. Lichens.
• Oliver, Marie; Geiser, Linda; Jovan, Sarah, Dr. 2011. Canaries in a coal mine: using lichens to measure nitrogen pollution.
• Woodall, Christopher William; Amacher, Michael C.; Bechtold, William A.; Coulston, John W.; Jovan, Sarah, Dr.; Perry, Charles H.; Randolph, KaDonna C.; Schulz, Beth K.; Smith, Gretchen C.; Will-Wolf, Susan. 2011. Status and future of the forest health indicators program of the USA.
• Geiser, Linda H.; Jovan, Sarah E., Dr.; Glavich, Doug A.; Porter, Matthew K. 2010. Lichen-based critical loads for atmospheric nitrogen deposition in Western Oregon and Washington forests, USA.
• Woodall, Christopher W.; Conkling, Barbara L.; Amacher, Michael C.; Coulston, John W.; Jovan, Sarah, Dr.; Perry, Charles H.; Schulz, Beth; Smith, Gretchen C.; Will Wolf, Susan. 2010. The Forest Inventory and Analysis Database Version 4.0: Database Description and Users Manual for Phase 3.
• Jovan, Sarah. 2009. Baseline results from the Lichen Community Indicator Program in the Pacific Northwest: Air quality patterns and evidence of a nitrogen pollution problem.
• Jovan, Sarah, Dr.; Carlberg, Tom. 2007. Nitrogen content of Letharia vulpina tissue from forests of the Sierra Nevada, California: geographic patterns and relationships to ammonia estimates and climate.
• Jovan, Sarah, Dr.; Mccune, Bruce. 2006. Using epiphytic macrolichen communities for biomonitoring ammonia in forests of the greater Sierra Nevada, California.
• Jovan, Sarah, Dr.; McCune, Bruce. 2005. Air-quality bioindication in the greater central valley of California, with epiphytic macrolichen communities..
• Jovan, Sarah, Dr.; McCune, Bruce. 2004. Regional variation in epiphytic macrolichen communities in northern and central California forests.

Research Highlights

Highlight	Title	Year
PNW-2015-35	An Innovative Study Uses Moss to Measure Air Toxin Levels at Schools in Portland, Oregon Air pollution has been linked to major health problems including cancer, cardiovascular disease, and adverse birth outcomes. Children can be par ...	2015
PNW-2014-007	Lichen Are Indicators of Climate Change in Southern Alaska's Forests Lichens respond quickly to climate changes and potentially allow early detection of shifting conditions before other changes in vegetation are a ...	2014
PNW-2012-03	Lichen Communities Serve as Canary in the Coal Mine for Air Pollution A comparison of lichen communities from 1976 to 2008 suggests continued deterioration of air quality in the Los Angeles Basin despite policy and ...	2012
PNW-2014-010	Lichen Indicate Air Quality Near Natural Gas Wells Nitrogen in lichen tissues closely correlates with measured nitrogen deposition in forests near natural gas wells in the Bridger Wilderness, WY. ...	2014
PNW-2015-62	New Method Monitors Species Groups and Estimates Carbon Storage in Moss and Lichen Layers in Boreal and Temperate Forests Mat forming ground layers of mosses and lichens are responsible for sequestering one-third of the world’s terrestrial carbon, regulating water ...	2015
PNW-2019-61	Quantifying the Ecological Risk from Nitrogen and Sulfur Deposition Across U.S. forests Many species of lichen are very sensitive to air pollution, making them useful bioindicators of environmental health. Preventing pollution level ...	2019