MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf
Research in warm-climate biomes has shown that invasion by symbiotic dinitrogen (N₂)-fixing plants can transform ecosystems in ways analogous to the transformations observed as a consequence of anthropogenic, atmospheric nitrogen (N) deposition: declines in biodiversity, soil acidification, and alte...
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ftoregonstate:ir.library.oregonstate.edu:9593tw79p 2024-09-09T20:10:52+00:00 MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf Hiltbrunner, Erika Aerts, Rien Bühlmann, Tobias Myrold, David D. https://ir.library.oregonstate.edu/concern/articles/9593tw79p unknown https://ir.library.oregonstate.edu/concern/articles/9593tw79p Copyright Not Evaluated ftoregonstate 2024-07-22T18:06:04Z Research in warm-climate biomes has shown that invasion by symbiotic dinitrogen (N₂)-fixing plants can transform ecosystems in ways analogous to the transformations observed as a consequence of anthropogenic, atmospheric nitrogen (N) deposition: declines in biodiversity, soil acidification, and alterations to carbon and nutrient cycling, including increased N losses through nitrate leaching and emissions of the powerful greenhouse gas nitrous oxide (N₂O). Here, we used literature review and case study approaches to assess the evidence for similar transformations in cold-climate ecosystems of the boreal, subarctic and upper montane-temperate life zones. Our assessment focuses on the plant genera Lupinus and Alnus, which have become invasive largely as a consequence of deliberate introductions and/or reduced land management. These cold biomes are commonly located in remote areas with low anthropogenic N inputs, and the environmental impacts of N₂-fixer invasion appear to be as severe as those from anthropogenic N deposition in highly N polluted areas. Hence, inputs of N from N₂ fixation can affect ecosystems as dramatically or even more strongly than N inputs from atmospheric deposition, and biomes in cold climates represent no exception with regard to the risk of being invaded by N₂-fixing species. In particular, the cold biomes studied here show both a strong potential to be transformed by N₂-fixing plants and a rapid subsequent saturation in the ecosystem’s capacity to retain N. Therefore, analogous to increases in N deposition, N₂-fixing plant invasions must be deemed significant threats to biodiversity and to environmental quality. Keywords: Lupinus, Alnus, Biodiversity, Carbon, Nitrogen, Invasive Keywords: Lupinus, Alnus, Biodiversity, Carbon, Nitrogen, Invasive Other/Unknown Material Subarctic ScholarsArchive@OSU (Oregon State University) |
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Research in warm-climate biomes has shown that invasion by symbiotic dinitrogen (N₂)-fixing plants can transform ecosystems in ways analogous to the transformations observed as a consequence of anthropogenic, atmospheric nitrogen (N) deposition: declines in biodiversity, soil acidification, and alterations to carbon and nutrient cycling, including increased N losses through nitrate leaching and emissions of the powerful greenhouse gas nitrous oxide (N₂O). Here, we used literature review and case study approaches to assess the evidence for similar transformations in cold-climate ecosystems of the boreal, subarctic and upper montane-temperate life zones. Our assessment focuses on the plant genera Lupinus and Alnus, which have become invasive largely as a consequence of deliberate introductions and/or reduced land management. These cold biomes are commonly located in remote areas with low anthropogenic N inputs, and the environmental impacts of N₂-fixer invasion appear to be as severe as those from anthropogenic N deposition in highly N polluted areas. Hence, inputs of N from N₂ fixation can affect ecosystems as dramatically or even more strongly than N inputs from atmospheric deposition, and biomes in cold climates represent no exception with regard to the risk of being invaded by N₂-fixing species. In particular, the cold biomes studied here show both a strong potential to be transformed by N₂-fixing plants and a rapid subsequent saturation in the ecosystem’s capacity to retain N. Therefore, analogous to increases in N deposition, N₂-fixing plant invasions must be deemed significant threats to biodiversity and to environmental quality. Keywords: Lupinus, Alnus, Biodiversity, Carbon, Nitrogen, Invasive Keywords: Lupinus, Alnus, Biodiversity, Carbon, Nitrogen, Invasive |
author |
Hiltbrunner, Erika Aerts, Rien Bühlmann, Tobias Myrold, David D. |
spellingShingle |
Hiltbrunner, Erika Aerts, Rien Bühlmann, Tobias Myrold, David D. MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
author_facet |
Hiltbrunner, Erika Aerts, Rien Bühlmann, Tobias Myrold, David D. |
author_sort |
Hiltbrunner, Erika |
title |
MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
title_short |
MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
title_full |
MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
title_fullStr |
MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
title_full_unstemmed |
MyroldDavidCropSoilScienceEcologicalConsequencesExpansion_FiguresS1-S2.pdf |
title_sort |
myrolddavidcropsoilscienceecologicalconsequencesexpansion_figuress1-s2.pdf |
url |
https://ir.library.oregonstate.edu/concern/articles/9593tw79p |
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Subarctic |
genre_facet |
Subarctic |
op_relation |
https://ir.library.oregonstate.edu/concern/articles/9593tw79p |
op_rights |
Copyright Not Evaluated |
_version_ |
1809945301570551808 |