edu.ucar.opensky::articles:26019 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-24T19:40:34.986121 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d7377dm5 https://doi.org/10.5067/MODIS/MOD16A2.061 https Related Dataset #1 MODIS/Terra Net Evapotranspiration 8-Day L4 Global 500m SIN Grid V061 https://doi.org/10.5067/MODIS/MOD17A3H.006 https Related Dataset #2 MOD17A3H MODIS/Terra Net Primary Production Yearly L4 Global 500m SIN Grid V006 https://doi.org/10.5281/zenodo.7111945 https Related Software #1 biogeokaty/neon_stoich_flex_ms: Initial release Patterns and controls of foliar nutrient stoichiometry and flexibility across United States forests 2023-02-01T00:00:00Z publication https://n2t.org/ark:/85065/d7377dm5 https://doi.org/10.1002/ecy.3909 Dynarski, K. A. author Soper, F. M. author Reed, S. C. author Wieder, William author Cleveland, C. C. author UCAR/NCAR - Library publisher Plant element stoichiometry and stoichiometric flexibility strongly regulate ecosystem responses to global change. Here, we tested three potential mechanistic drivers (climate, soil nutrients, and plant taxonomy) of both using paired foliar and soil nutrient data from terrestrial forested National Ecological Observatory Network sites across the USA. We found that broad patterns of foliar nitrogen (N) and foliar phosphorus (P) are explained by different mechanisms. Plant taxonomy was an important control over all foliar nutrient stoichiometries and concentrations, especially foliar N, which was dominantly related to taxonomy and did not vary across climate or soil gradients. Despite a lack of site-level correlations between N and environment variables, foliar N exhibited intraspecific flexibility, with numerous species-specific correlations between foliar N and various environmental factors, demonstrating the variable spatial and temporal scales on which foliar chemistry and stoichiometric flexibility can manifest. In addition to plant taxonomy, foliar P and N:P ratios were also linked to soil nutrient status (extractable P) and climate, especially actual evapotranspiration rates. Our findings highlight the myriad factors that influence foliar chemistry and show that broad patterns cannot be explained by a single consistent mechanism. Furthermore, differing controls over foliar N versus P suggests that each may be sensitive to global change drivers on distinct spatial and temporal scales, potentially resulting in altered ecosystem N:P ratios that have implications for processes ranging from productivity to carbon sequestration. UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Copyright 2022 The Ecological Society of America. None eng geoscientificInformation