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The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought

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The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought. / Huang, Jianbei; Ladd, S Nemiah; Ingrisch, Johannes; Kübert, Angelika; Meredith, Laura K; van Haren, Joost; Bamberger, Ines; Daber, L Erik; Kühnhammer, Kathrin; Bailey, Kinzie; Hu, Jia; Fudyma, Jane; Shi, Lingling; Dippold, Michaela A; Meeran, Kathiravan; Miller, Luke; O'Brien, Michael J; Yang, Hui; Herrera-Ramírez, David; Hartmann, Henrik; Trumbore, Susan; Bahn, Michael; Werner, Christiane; Lehmann, Marco M.

In: J EXP BOT, Vol. 75, No. 8, 15.04.2024, p. 2545-2557.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Huang, J, Ladd, SN, Ingrisch, J, Kübert, A, Meredith, LK, van Haren, J, Bamberger, I, Daber, LE, Kühnhammer, K, Bailey, K, Hu, J, Fudyma, J, Shi, L, Dippold, MA, Meeran, K, Miller, L, O'Brien, MJ, Yang, H, Herrera-Ramírez, D, Hartmann, H, Trumbore, S, Bahn, M, Werner, C & Lehmann, MM 2024, 'The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought', J EXP BOT, vol. 75, no. 8, pp. 2545-2557. https://doi.org/10.1093/jxb/erae030

APA

Huang, J., Ladd, S. N., Ingrisch, J., Kübert, A., Meredith, L. K., van Haren, J., Bamberger, I., Daber, L. E., Kühnhammer, K., Bailey, K., Hu, J., Fudyma, J., Shi, L., Dippold, M. A., Meeran, K., Miller, L., O'Brien, M. J., Yang, H., Herrera-Ramírez, D., ... Lehmann, M. M. (2024). The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought. J EXP BOT, 75(8), 2545-2557. https://doi.org/10.1093/jxb/erae030

Vancouver

Huang J, Ladd SN, Ingrisch J, Kübert A, Meredith LK, van Haren J et al. The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought. J EXP BOT. 2024 Apr 15;75(8):2545-2557. https://doi.org/10.1093/jxb/erae030

Bibtex

@article{ffa0ecb4b76a4cc4b44743a27f850d46,
title = "The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought",
abstract = "Non-structural carbohydrates (NSCs) are building blocks for biomass and fuel metabolic processes. However, it remains unclear how tropical forests mobilize, export, and transport NSCs to cope with extreme droughts. We combined drought manipulation and ecosystem 13CO2 pulse-labeling in an enclosed rainforest at Biosphere 2, assessed changes in NSCs, and traced newly assimilated carbohydrates in plant species with diverse hydraulic traits and canopy positions. We show that drought caused a depletion of leaf starch reserves and slowed export and transport of newly assimilated carbohydrates below ground. Drought effects were more pronounced in conservative canopy trees with limited supply of new photosynthates and relatively constant water status than in those with continual photosynthetic supply and deteriorated water status. We provide experimental evidence that local utilization, export, and transport of newly assimilated carbon are closely coupled with plant water use in canopy trees. We highlight that these processes are critical for understanding and predicting tree resistance and ecosystem fluxes in tropical forest under drought.",
author = "Jianbei Huang and Ladd, {S Nemiah} and Johannes Ingrisch and Angelika K{\"u}bert and Meredith, {Laura K} and {van Haren}, Joost and Ines Bamberger and Daber, {L Erik} and Kathrin K{\"u}hnhammer and Kinzie Bailey and Jia Hu and Jane Fudyma and Lingling Shi and Dippold, {Michaela A} and Kathiravan Meeran and Luke Miller and O'Brien, {Michael J} and Hui Yang and David Herrera-Ram{\'i}rez and Henrik Hartmann and Susan Trumbore and Michael Bahn and Christiane Werner and Lehmann, {Marco M}",
note = "{\textcopyright} The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology.",
year = "2024",
month = apr,
day = "15",
doi = "10.1093/jxb/erae030",
language = "English",
volume = "75",
pages = "2545--2557",
journal = "J EXP BOT",
issn = "0022-0957",
publisher = "Oxford University Press",
number = "8",

}

RIS

TY - JOUR

T1 - The mobilization and transport of newly-fixed carbon are driven by plant water-use in an experimental rainforest under drought

AU - Huang, Jianbei

AU - Ladd, S Nemiah

AU - Ingrisch, Johannes

AU - Kübert, Angelika

AU - Meredith, Laura K

AU - van Haren, Joost

AU - Bamberger, Ines

AU - Daber, L Erik

AU - Kühnhammer, Kathrin

AU - Bailey, Kinzie

AU - Hu, Jia

AU - Fudyma, Jane

AU - Shi, Lingling

AU - Dippold, Michaela A

AU - Meeran, Kathiravan

AU - Miller, Luke

AU - O'Brien, Michael J

AU - Yang, Hui

AU - Herrera-Ramírez, David

AU - Hartmann, Henrik

AU - Trumbore, Susan

AU - Bahn, Michael

AU - Werner, Christiane

AU - Lehmann, Marco M

N1 - © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology.

PY - 2024/4/15

Y1 - 2024/4/15

N2 - Non-structural carbohydrates (NSCs) are building blocks for biomass and fuel metabolic processes. However, it remains unclear how tropical forests mobilize, export, and transport NSCs to cope with extreme droughts. We combined drought manipulation and ecosystem 13CO2 pulse-labeling in an enclosed rainforest at Biosphere 2, assessed changes in NSCs, and traced newly assimilated carbohydrates in plant species with diverse hydraulic traits and canopy positions. We show that drought caused a depletion of leaf starch reserves and slowed export and transport of newly assimilated carbohydrates below ground. Drought effects were more pronounced in conservative canopy trees with limited supply of new photosynthates and relatively constant water status than in those with continual photosynthetic supply and deteriorated water status. We provide experimental evidence that local utilization, export, and transport of newly assimilated carbon are closely coupled with plant water use in canopy trees. We highlight that these processes are critical for understanding and predicting tree resistance and ecosystem fluxes in tropical forest under drought.

AB - Non-structural carbohydrates (NSCs) are building blocks for biomass and fuel metabolic processes. However, it remains unclear how tropical forests mobilize, export, and transport NSCs to cope with extreme droughts. We combined drought manipulation and ecosystem 13CO2 pulse-labeling in an enclosed rainforest at Biosphere 2, assessed changes in NSCs, and traced newly assimilated carbohydrates in plant species with diverse hydraulic traits and canopy positions. We show that drought caused a depletion of leaf starch reserves and slowed export and transport of newly assimilated carbohydrates below ground. Drought effects were more pronounced in conservative canopy trees with limited supply of new photosynthates and relatively constant water status than in those with continual photosynthetic supply and deteriorated water status. We provide experimental evidence that local utilization, export, and transport of newly assimilated carbon are closely coupled with plant water use in canopy trees. We highlight that these processes are critical for understanding and predicting tree resistance and ecosystem fluxes in tropical forest under drought.

U2 - 10.1093/jxb/erae030

DO - 10.1093/jxb/erae030

M3 - SCORING: Journal article

C2 - 38271585

VL - 75

SP - 2545

EP - 2557

JO - J EXP BOT

JF - J EXP BOT

SN - 0022-0957

IS - 8

ER -