Historical plant and fungal nitrogen isotopes and concentrations from Minnesota, USA, 1871–2016
2023-11-06
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1871
2016
2016
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2023
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Title
Historical plant and fungal nitrogen isotopes and concentrations from Minnesota, USA, 1871–2016
Published Date
2023-11-06
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Michaud, Talia J
micha938@umn.edu
micha938@umn.edu
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Observational Data
Observational Data
Abstract
Historical declines in plant tissue nitrogen concentrations and d15N have been interpreted as evidence of declining terrestrial ecosystem nitrogen status. To test whether plant mycorrhizal type influences trajectories of plant nitrogen status, and whether fungi also exhibit declining nitrogen status, we analyzed herbarium collections made in MN, USA, from 1871–2016.
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Michaud, T., Cline, L., Hobbie, E., Gutknecht, J., Kennedy, P. Herbarium specimens reveal that mycorrhizal type does not mediate declining temperate tree nitrogen status over a century of environmental change. New Phytologist. In press 2024.
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NSF
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Michaud, Talia J. (2023). Historical plant and fungal nitrogen isotopes and concentrations from Minnesota, USA, 1871–2016. Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/DRXN-9M88.
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| File View/Open | Description | Size |
|---|---|---|
| MinnesotaAnalysisData.csv | "MinnesotaData.csv": [N] and d15N values from mushrooms and leaves of fungi and plants collected in Minnesota, USA from 1871 - 2016 preserved in the Bell Herbarium. Plants and fungi belong to four ecological groups ("group"): EMP = ectomycorrhizal plant, EMF = ectomycorrhizal fungus, Sap = saprotrophic fungus, AMP = arbuscular mycorrhizal plant. Sample_ID: collection accession number Kingdom: plant vs. fungus Species: Species ID, if applicable Genus: specimen genus Year: year specimen was collected Month: month specimen was collected County: county specimen was collected mycorrhizal_type: ectomycorrhizal or not group: one of four aforementioned groups xN: N concentration of tissue d15N: d15N of tissue | 50.04 KB |
| Readme_Michaud_2023.txt | Description of the data | 6.03 KB |
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