Regional variation in growth and survival responses to atmospheric nitrogen and sulfur deposition for 140 tree species across the United States

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dc.contributor.authorDalton, Rebecca M.en
dc.contributor.authorMiller, Jesse N.en
dc.contributor.authorGreaver, Taraen
dc.contributor.authorSabo, Robert D.en
dc.contributor.authorAustin, Kemen G.en
dc.contributor.authorPhelan, Jennifer N.en
dc.contributor.authorThomas, R. Quinnen
dc.contributor.authorClark, Christopher M.en
dc.date.accessioned2025-01-27T19:39:36Zen
dc.date.available2025-01-27T19:39:36Zen
dc.date.issued2024-11-11en
dc.description.abstractAtmospheric deposition of nitrogen (N) and sulfur (S) alter tree demographic processes via changes in nutrient pools, soil acidification, and biotic interactions. Previous work established tree growth and survival response to atmospheric N and S deposition in the conterminous United States (CONUS) data by species; however, it was not possible to evaluate regional variation in response using that approach. In this study, we develop species- and region-specific relationships for growth and survival responses to N and S deposition for roughly 140 species within spatially demarcated regions of the U.S. We calculated responses to N and S deposition separately for 11 United States Forest Service (USFS) Divisions resulting in a total of 241 and 268 species × Division combinations for growth and survival, respectively. We then assigned these relationships into broad categories of vulnerability and used ordinal logistic regressions to explore the covariates associated with vulnerability in growth and survival to N and S deposition. As with earlier studies, we found growth and survival responses to air pollution differed by species; but new to this study, we found 45%−70% of species responses also varied spatially across regions. The regional variation in species responses was not simply related to atmospheric N and S deposition, but was also associated with regional effects from precipitation, soil pH, mycorrhizal association, and deciduousness. A large amount of the variance remained unexplained (total variation explained ranged from 6.8%−13.8%), suggesting that these or additional factors may operate at finer spatial scales. Taken together, our results demonstrate that regional variation in tree species' response has significant implications for setting critical load targets, as critical loads can now be tailored for specific species at management-relevant scales.en
dc.description.versionPublished versionen
dc.format.extent18 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 1426644 (Article number)en
dc.identifier.doihttps://doi.org/10.3389/ffgc.2024.1426644en
dc.identifier.eissn2624-893Xen
dc.identifier.issn2624-893Xen
dc.identifier.orcidThomas, Robert [0000-0003-1282-7825]en
dc.identifier.urihttps://hdl.handle.net/10919/124398en
dc.identifier.volume7en
dc.language.isoenen
dc.publisherFrontiersen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectclimateen
dc.subjectcritical loaden
dc.subjectforest inventory analysis (FIA)en
dc.subjectnitrogen depositionen
dc.subjectsulfur depositionen
dc.subjecttree growthen
dc.subjecttree survivalen
dc.subjectvulnerabilityen
dc.titleRegional variation in growth and survival responses to atmospheric nitrogen and sulfur deposition for 140 tree species across the United Statesen
dc.title.serialFrontiers in Forests and Global Changeen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-groupVirginia Techen
pubs.organisational-groupVirginia Tech/Scienceen
pubs.organisational-groupVirginia Tech/Science/Biological Sciencesen
pubs.organisational-groupVirginia Tech/All T&R Facultyen
pubs.organisational-groupVirginia Tech/Science/COS T&R Facultyen

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