Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments
The effects of climate change on plants are particularly pronounced in the Arctic region. Warming relaxes the temperature and nutrients boundaries that limit tundra plant growth. Increased resource availability under future climate conditions may induce a shift from a conservative economic strategy...
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Wiley-Blackwell Publishing, Inc.
2023
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ftunivzuerich:oai:www.zora.uzh.ch:237045 2024-04-28T08:09:46+00:00 Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments Heim, Ramona Julia Iturrate‐Garcia, Maitane Reji Chacko, Merin Karsanaev, S Maximov, T C Heijmans, Monique M P D Schaepman‐Strub, Gabriela 2023-08-24 application/pdf https://www.zora.uzh.ch/id/eprint/237045/ https://www.zora.uzh.ch/id/eprint/237045/1/JGR_Biogeosciences___2023___Heim.pdf https://doi.org/10.5167/uzh-237045 https://doi.org/10.1029/2023jg007657 eng eng Wiley-Blackwell Publishing, Inc. https://www.zora.uzh.ch/id/eprint/237045/1/JGR_Biogeosciences___2023___Heim.pdf doi:10.5167/uzh-237045 doi:10.1029/2023jg007657 urn:issn:2169-8953 info:eu-repo/semantics/openAccess Creative Commons: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) http://creativecommons.org/licenses/by-nc-nd/4.0/ Heim, Ramona Julia; Iturrate‐Garcia, Maitane; Reji Chacko, Merin; Karsanaev, S; Maximov, T C; Heijmans, Monique M P D; Schaepman‐Strub, Gabriela (2023). Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments. Journal of Geophysical Research: Biogeosciences, 128(9):e2023JG007657. Institute of Evolutionary Biology and Environmental Studies Global Change and Biodiversity 570 Life sciences biology 590 Animals (Zoology) Paleontology Atmospheric Science Soil Science Water Science and Technology Ecology Aquatic Science Forestry Journal Article PeerReviewed info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2023 ftunivzuerich https://doi.org/10.5167/uzh-23704510.1029/2023jg007657 2024-04-03T15:44:05Z The effects of climate change on plants are particularly pronounced in the Arctic region. Warming relaxes the temperature and nutrients boundaries that limit tundra plant growth. Increased resource availability under future climate conditions may induce a shift from a conservative economic strategy to an acquisitive one. Following the leaf economics spectrum that hypothesizes a strategy gradient between survival, plant size and costs for the photosynthetic leaf area, light absorption of tundra plants may increase. We investigated climate change effects on light absorptance and the relationship between light absorptance (fraction of absorbed photosynthetically active radiation, FAPAR) and structural and nutritional leaf traits, performing a soil warming and surface soil fertilization experiment on two deciduous tundra shrub species. Our results show that fertilization and warming combined increase light absorptance in Arctic shrubs and that FAPAR is correlated with leaf nutrients but not with structural leaf traits. This indicates an economic strategy shift of shrubs from conservative to acquisitive induced by warming and fertilization combined. We found species‐specific differences: FAPAR was influenced by warming alone in Betula nana but not in Salix pulchra, and FAPAR was correlated with leaf phosphorus in B. nana but not in S. pulchra. We attribute this to water limitation of B. nana that generally grows in drier areas within the study site compared to S. pulchra. We conclude that FAPAR is a measure that opens up more possibilities to estimate nutritional leaf traits and nutrient cycles, plant economic strategies, and ecological feedbacks of the tundra ecosystem on broader scales. Article in Journal/Newspaper Arctic Betula nana Climate change Tundra University of Zurich (UZH): ZORA (Zurich Open Repository and Archive |
institution |
Open Polar |
collection |
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive |
op_collection_id |
ftunivzuerich |
language |
English |
topic |
Institute of Evolutionary Biology and Environmental Studies Global Change and Biodiversity 570 Life sciences biology 590 Animals (Zoology) Paleontology Atmospheric Science Soil Science Water Science and Technology Ecology Aquatic Science Forestry |
spellingShingle |
Institute of Evolutionary Biology and Environmental Studies Global Change and Biodiversity 570 Life sciences biology 590 Animals (Zoology) Paleontology Atmospheric Science Soil Science Water Science and Technology Ecology Aquatic Science Forestry Heim, Ramona Julia Iturrate‐Garcia, Maitane Reji Chacko, Merin Karsanaev, S Maximov, T C Heijmans, Monique M P D Schaepman‐Strub, Gabriela Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
topic_facet |
Institute of Evolutionary Biology and Environmental Studies Global Change and Biodiversity 570 Life sciences biology 590 Animals (Zoology) Paleontology Atmospheric Science Soil Science Water Science and Technology Ecology Aquatic Science Forestry |
description |
The effects of climate change on plants are particularly pronounced in the Arctic region. Warming relaxes the temperature and nutrients boundaries that limit tundra plant growth. Increased resource availability under future climate conditions may induce a shift from a conservative economic strategy to an acquisitive one. Following the leaf economics spectrum that hypothesizes a strategy gradient between survival, plant size and costs for the photosynthetic leaf area, light absorption of tundra plants may increase. We investigated climate change effects on light absorptance and the relationship between light absorptance (fraction of absorbed photosynthetically active radiation, FAPAR) and structural and nutritional leaf traits, performing a soil warming and surface soil fertilization experiment on two deciduous tundra shrub species. Our results show that fertilization and warming combined increase light absorptance in Arctic shrubs and that FAPAR is correlated with leaf nutrients but not with structural leaf traits. This indicates an economic strategy shift of shrubs from conservative to acquisitive induced by warming and fertilization combined. We found species‐specific differences: FAPAR was influenced by warming alone in Betula nana but not in Salix pulchra, and FAPAR was correlated with leaf phosphorus in B. nana but not in S. pulchra. We attribute this to water limitation of B. nana that generally grows in drier areas within the study site compared to S. pulchra. We conclude that FAPAR is a measure that opens up more possibilities to estimate nutritional leaf traits and nutrient cycles, plant economic strategies, and ecological feedbacks of the tundra ecosystem on broader scales. |
format |
Article in Journal/Newspaper |
author |
Heim, Ramona Julia Iturrate‐Garcia, Maitane Reji Chacko, Merin Karsanaev, S Maximov, T C Heijmans, Monique M P D Schaepman‐Strub, Gabriela |
author_facet |
Heim, Ramona Julia Iturrate‐Garcia, Maitane Reji Chacko, Merin Karsanaev, S Maximov, T C Heijmans, Monique M P D Schaepman‐Strub, Gabriela |
author_sort |
Heim, Ramona Julia |
title |
Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
title_short |
Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
title_full |
Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
title_fullStr |
Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
title_full_unstemmed |
Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments |
title_sort |
deciduous tundra shrubs shift toward more acquisitive light absorption strategy under climate change treatments |
publisher |
Wiley-Blackwell Publishing, Inc. |
publishDate |
2023 |
url |
https://www.zora.uzh.ch/id/eprint/237045/ https://www.zora.uzh.ch/id/eprint/237045/1/JGR_Biogeosciences___2023___Heim.pdf https://doi.org/10.5167/uzh-237045 https://doi.org/10.1029/2023jg007657 |
genre |
Arctic Betula nana Climate change Tundra |
genre_facet |
Arctic Betula nana Climate change Tundra |
op_source |
Heim, Ramona Julia; Iturrate‐Garcia, Maitane; Reji Chacko, Merin; Karsanaev, S; Maximov, T C; Heijmans, Monique M P D; Schaepman‐Strub, Gabriela (2023). Deciduous Tundra Shrubs Shift Toward More Acquisitive Light Absorption Strategy Under Climate Change Treatments. Journal of Geophysical Research: Biogeosciences, 128(9):e2023JG007657. |
op_relation |
https://www.zora.uzh.ch/id/eprint/237045/1/JGR_Biogeosciences___2023___Heim.pdf doi:10.5167/uzh-237045 doi:10.1029/2023jg007657 urn:issn:2169-8953 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) http://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.5167/uzh-23704510.1029/2023jg007657 |
_version_ |
1797577990406668288 |