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  Ecosystem fluxes during drought and recovery in an experimental forest

Werner, C., Meredith, L. K., Ladd, S. N., Ingrisch, J., Kübert, A., van Haren, J., et al. (2021). Ecosystem fluxes during drought and recovery in an experimental forest. Science, 374: 6574, pp. 1514-1518. doi:10.1126/science.abj6789.

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 Creators:
Werner, Christiane, Author
Meredith, Laura K., Author
Ladd, S. Nemiah, Author
Ingrisch, Johannes, Author
Kübert, Angelika, Author
van Haren, Joost, Author
Bahn, Michael, Author
Bailey, Kinzie, Author
Bamberger, Ines, Author
Beyer, Matthias, Author
Blomdahl, Daniel, Author
Byron, Joseph1, Author              
Daber, Erik, Author
Deleeuw, Jason, Author
Dippold, Michaela A., Author
Fudyma, Jane, Author
Gil-Loaiza, Juliana, Author
Honeker, Linnea K., Author
Hu, Jia, Author
Huang, Jianbei, Author
Klüpfel, Thomas1, Author              Krechmer, Jordan, AuthorKreuzwieser, Jürgen, AuthorKühnhammer, Kathrin, AuthorLehmann, Marco M., AuthorMeeran, Kathiravan, AuthorMisztal, Pawel K., AuthorNg, Wei-Ren, AuthorPfannerstill, Eva1, Author              Pugliese, Giovanni, AuthorPurser, Gemma, AuthorRoscioli, Joseph, AuthorShi, Lingling, AuthorTfaily, Malak, AuthorWilliams, Jonathan1, Author               more..
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              

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 Abstract: Severe droughts endanger ecosystem functioning worldwide. We investigated how drought affects carbon and water fluxes as well as soil-plant-atmosphere interactions by tracing 13CO2 and deep water 2H2O label pulses and volatile organic compounds (VOCs) in an enclosed experimental rainforest. Ecosystem dynamics were driven by different plant functional group responses to drought. Drought-sensitive canopy trees dominated total fluxes but also exhibited the strongest response to topsoil drying. Although all canopy-forming trees had access to deep water, these reserves were spared until late in the drought. Belowground carbon transport was slowed, yet allocation of fresh carbon to VOCs remained high. Atmospheric VOC composition reflected increasing stress responses and dynamic soil-plant-atmosphere interactions, potentially affecting atmospheric chemistry and climate feedbacks. These interactions and distinct functional group strategies thus modulate drought impacts and ecosystem susceptibility to climate change.

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Language(s): eng - English
 Dates: 2021-12-17
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1126/science.abj6789
 Degree: -

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Title: Science
  Abbreviation : Science
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 374 Sequence Number: 6574 Start / End Page: 1514 - 1518 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1