Trait-based responses to cessation of nutrient enrichment in a tundra plant community
Plant communities worldwide show varied responses to nutrient enrichment—including shifts in species identity, decreased diversity, and changes in functional trait composition—but the factors determining community recovery after the cessation of nutrient addition remain uncertain. We manipulated nut...
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Online Access: | https://hdl.handle.net/10037/23960 https://doi.org/10.1007/s00442-021-05064-w |
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ftunivtroemsoe:oai:munin.uit.no:10037/23960 2023-05-15T18:40:16+02:00 Trait-based responses to cessation of nutrient enrichment in a tundra plant community Werner, Chhaya M. Tuomi, Maria Eskelinen, Anu 2021-10-29 https://hdl.handle.net/10037/23960 https://doi.org/10.1007/s00442-021-05064-w eng eng Springer Oecologia Werner, Tuomi M, Eskelinen. Trait-based responses to cessation of nutrient enrichment in a tundra plant community. Oecologia. 2021;197(3):675-684 FRIDAID 1964434 doi:10.1007/s00442-021-05064-w 0029-8549 1432-1939 https://hdl.handle.net/10037/23960 openAccess Copyright 2021 The Author(s) Journal article Tidsskriftartikkel Peer reviewed publishedVersion 2021 ftunivtroemsoe https://doi.org/10.1007/s00442-021-05064-w 2022-02-09T23:57:23Z Plant communities worldwide show varied responses to nutrient enrichment—including shifts in species identity, decreased diversity, and changes in functional trait composition—but the factors determining community recovery after the cessation of nutrient addition remain uncertain. We manipulated nutrient levels in a tundra community for 6 years of nutrient addition followed by 8 years of recovery. We examined how community recovery was mediated by traits related to plant resource-use strategy and plant ability to modify their environment. Overall, we observed persistent efects of fertilization on plant communities. We found that plants with fast-growing traits, including higher specifc leaf area, taller stature and lower foliar C:N, were more likely to show a persistent increase in fertilized plots than control plots, maintaining signifcantly higher cover in fertilized plots 8 years after cessation of fertilization. Additionally, although graminoids responded most strongly to the initial fertilization treatment, forb species were more vulnerable to fertilization efects in the long-term, showing persistent decline and no recovery in 8 years. Finally, these persistent fertilization efects were accompanied by modifed environmental conditions, including persistent increases in litter depth and soil phosphorous and lower soil C:N. Our results demonstrate the potential for lasting efects of nutrient enrichment in nutrient-limited systems and identify species traits related to rapid growth and nutrient-use efciency as the main predictors of the persistence of nutrient enrichment efects. These fndings highlight the usefulness of trait-based approach for understanding the persistent feedbacks of nutrient enrichment, plant dynamics, and niche construction via litter and nutrient build-up. Article in Journal/Newspaper Tundra University of Tromsø: Munin Open Research Archive Oecologia 197 3 675 684 |
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Open Polar |
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University of Tromsø: Munin Open Research Archive |
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ftunivtroemsoe |
language |
English |
description |
Plant communities worldwide show varied responses to nutrient enrichment—including shifts in species identity, decreased diversity, and changes in functional trait composition—but the factors determining community recovery after the cessation of nutrient addition remain uncertain. We manipulated nutrient levels in a tundra community for 6 years of nutrient addition followed by 8 years of recovery. We examined how community recovery was mediated by traits related to plant resource-use strategy and plant ability to modify their environment. Overall, we observed persistent efects of fertilization on plant communities. We found that plants with fast-growing traits, including higher specifc leaf area, taller stature and lower foliar C:N, were more likely to show a persistent increase in fertilized plots than control plots, maintaining signifcantly higher cover in fertilized plots 8 years after cessation of fertilization. Additionally, although graminoids responded most strongly to the initial fertilization treatment, forb species were more vulnerable to fertilization efects in the long-term, showing persistent decline and no recovery in 8 years. Finally, these persistent fertilization efects were accompanied by modifed environmental conditions, including persistent increases in litter depth and soil phosphorous and lower soil C:N. Our results demonstrate the potential for lasting efects of nutrient enrichment in nutrient-limited systems and identify species traits related to rapid growth and nutrient-use efciency as the main predictors of the persistence of nutrient enrichment efects. These fndings highlight the usefulness of trait-based approach for understanding the persistent feedbacks of nutrient enrichment, plant dynamics, and niche construction via litter and nutrient build-up. |
format |
Article in Journal/Newspaper |
author |
Werner, Chhaya M. Tuomi, Maria Eskelinen, Anu |
spellingShingle |
Werner, Chhaya M. Tuomi, Maria Eskelinen, Anu Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
author_facet |
Werner, Chhaya M. Tuomi, Maria Eskelinen, Anu |
author_sort |
Werner, Chhaya M. |
title |
Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
title_short |
Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
title_full |
Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
title_fullStr |
Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
title_full_unstemmed |
Trait-based responses to cessation of nutrient enrichment in a tundra plant community |
title_sort |
trait-based responses to cessation of nutrient enrichment in a tundra plant community |
publisher |
Springer |
publishDate |
2021 |
url |
https://hdl.handle.net/10037/23960 https://doi.org/10.1007/s00442-021-05064-w |
genre |
Tundra |
genre_facet |
Tundra |
op_relation |
Oecologia Werner, Tuomi M, Eskelinen. Trait-based responses to cessation of nutrient enrichment in a tundra plant community. Oecologia. 2021;197(3):675-684 FRIDAID 1964434 doi:10.1007/s00442-021-05064-w 0029-8549 1432-1939 https://hdl.handle.net/10037/23960 |
op_rights |
openAccess Copyright 2021 The Author(s) |
op_doi |
https://doi.org/10.1007/s00442-021-05064-w |
container_title |
Oecologia |
container_volume |
197 |
container_issue |
3 |
container_start_page |
675 |
op_container_end_page |
684 |
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1766229560566743040 |