Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest

Ülo Mander; Alisa Krasnova; Thomas Schindler; J. Patrick Megonigal; Jordi Escuer-Gatius; Mikk Espenberg; Katerina Machacova; Martin Maddison; Jaan Pärn; Reti Ranniku; Mari Pihlatie; Kuno Kasak; Ülo Niinemets; Kaido Soosaar

doi:10.1016/j.scitotenv.2021.151723

Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest

Ülo Mander^* (Corresponding Author), Alisa Krasnova, Thomas Schindler, J. Patrick Megonigal, Jordi Escuer-Gatius, Mikk Espenberg, Katerina Machacova, Martin Maddison, Jaan Pärn, Reti Ranniku, Mari Pihlatie, Kuno Kasak, Ülo Niinemets, Kaido Soosaar

^*Corresponding author for this work

Aberdeen Centre For Environmental Sustainability

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The carbon (C) budgets of riparian forests are sensitive to climatic variability. Therefore, riparian forests are hot spots of C cycling in landscapes. Only a limited number of studies on continuous measurements of methane (CH₄) fluxes from riparian forests is available. Here, we report continuous high-frequency soil and ecosystem (eddy-covariance; EC) measurements of CH₄ fluxes with a quantum cascade laser absorption spectrometer for a 2.5-year period and measurements of CH₄ fluxes from tree stems using manual chambers for a 1.5 year period from a temperate riparian Alnus incana forest. The results demonstrate that the riparian forest is a minor net annual sink of CH₄ consuming 0.24 kg CH₄-C ha⁻¹ y⁻¹. Soil water content is the most important determinant of soil, stem, and EC fluxes, followed by soil temperature. There were significant differences in CH₄ fluxes between the wet and dry periods. During the wet period, 83% of CH₄ was emitted from the tree stems while the ecosystem-level emission was equal to the sum of soil and stem emissions. During the dry period, CH₄ was substantially consumed in the soil whereas stem emissions were very low. A significant difference between the EC fluxes and the sum of soil and stem fluxes during the dry period is most likely caused by emission from the canopy whereas at the ecosystem level the forest was a clear CH₄ sink. Our results together with past measurements of CH₄ fluxes in other riparian forests suggest that temperate riparian forests can be long-term CH₄ sinks.

Original language	English
Article number	151723
Number of pages	13
Journal	Science of the Total Environment
Volume	809
Early online date	12 Jan 2022
DOIs	https://doi.org/10.1016/j.scitotenv.2021.151723
Publication status	Published - 25 Feb 2022

Bibliographical note

Funding Information:
This study was supported by the Ministry of Education and Science of Estonia ( SF0180127s08 grant), the Estonian Research Council ( IUT2-16 , PRG-352 , and MOBERC20 ), the Czech Science Foundation ( 17-18112Y ), SustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions (CZ.02.1.01/0.0/0.0/16_019/0000797 ), the Ministry of Education, Youth and Sports of Czech Republic within the National Sustainability Program I (NPU I, grant number LO1415 ), the EU through the European Regional Development Fund (ENVIRON and EcolChange Centres of Excellence, Estonia, and MOBTP101 returning researcher grant by the Mobilitas Pluss programme), the European Social Fund (Doctoral School of Earth Sciences and Ecology). This work was also supported by Academy of Finland ( 294088 , 288494 ), from the European Research Council (ERC) under the European Union‘s Horizon 2020 research and innovation programme under grant agreement No [ 757695 ], and a Department of Energy (DOE) grant to JPM ( DE-SC0008165 ).

Data Availability Statement

Supplementary data to this article can be found online at https://doi.org/10.1016/j.scitotenv.2021.151723.

Keywords

Automated chambers
Eddy covariance
Quantum cascade laser absorption spectrometer
Soil fluxes
Soil water content
Stem fluxes
Methane
Trees
Carbon Dioxide/analysis
Forests
Ecosystem
Soil

Access to Document

10.1016/j.scitotenv.2021.151723Licence: Unspecified

Mander_etal_STE_Long_Term_Dynamics_Of_AAM
© 2022. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 462 KBLicence: CC BY-NC-ND

Cite this

Mander, Ü., Krasnova, A., Schindler, T., Megonigal, J. P., Escuer-Gatius, J., Espenberg, M., Machacova, K., Maddison, M., Pärn, J., Ranniku, R., Pihlatie, M., Kasak, K., Niinemets, Ü., & Soosaar, K. (2022). Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest. Science of the Total Environment, 809, Article 151723. https://doi.org/10.1016/j.scitotenv.2021.151723

Mander, Ü, Krasnova, A, Schindler, T, Megonigal, JP, Escuer-Gatius, J, Espenberg, M, Machacova, K, Maddison, M, Pärn, J, Ranniku, R, Pihlatie, M, Kasak, K, Niinemets, Ü & Soosaar, K 2022, 'Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest', Science of the Total Environment, vol. 809, 151723. https://doi.org/10.1016/j.scitotenv.2021.151723

@article{66540d2f2957415ebf8056d64d4fd2d4,

title = "Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest",

abstract = "The carbon (C) budgets of riparian forests are sensitive to climatic variability. Therefore, riparian forests are hot spots of C cycling in landscapes. Only a limited number of studies on continuous measurements of methane (CH4) fluxes from riparian forests is available. Here, we report continuous high-frequency soil and ecosystem (eddy-covariance; EC) measurements of CH4 fluxes with a quantum cascade laser absorption spectrometer for a 2.5-year period and measurements of CH4 fluxes from tree stems using manual chambers for a 1.5 year period from a temperate riparian Alnus incana forest. The results demonstrate that the riparian forest is a minor net annual sink of CH4 consuming 0.24 kg CH4-C ha−1 y−1. Soil water content is the most important determinant of soil, stem, and EC fluxes, followed by soil temperature. There were significant differences in CH4 fluxes between the wet and dry periods. During the wet period, 83% of CH4 was emitted from the tree stems while the ecosystem-level emission was equal to the sum of soil and stem emissions. During the dry period, CH4 was substantially consumed in the soil whereas stem emissions were very low. A significant difference between the EC fluxes and the sum of soil and stem fluxes during the dry period is most likely caused by emission from the canopy whereas at the ecosystem level the forest was a clear CH4 sink. Our results together with past measurements of CH4 fluxes in other riparian forests suggest that temperate riparian forests can be long-term CH4 sinks.",

keywords = "Automated chambers, Eddy covariance, Quantum cascade laser absorption spectrometer, Soil fluxes, Soil water content, Stem fluxes, Methane, Trees, Carbon Dioxide/analysis, Forests, Ecosystem, Soil",

author = "{\"U}lo Mander and Alisa Krasnova and Thomas Schindler and Megonigal, {J. Patrick} and Jordi Escuer-Gatius and Mikk Espenberg and Katerina Machacova and Martin Maddison and Jaan P{\"a}rn and Reti Ranniku and Mari Pihlatie and Kuno Kasak and {\"U}lo Niinemets and Kaido Soosaar",

note = "Funding Information: This study was supported by the Ministry of Education and Science of Estonia ( SF0180127s08 grant), the Estonian Research Council ( IUT2-16 , PRG-352 , and MOBERC20 ), the Czech Science Foundation ( 17-18112Y ), SustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions (CZ.02.1.01/0.0/0.0/16_019/0000797 ), the Ministry of Education, Youth and Sports of Czech Republic within the National Sustainability Program I (NPU I, grant number LO1415 ), the EU through the European Regional Development Fund (ENVIRON and EcolChange Centres of Excellence, Estonia, and MOBTP101 returning researcher grant by the Mobilitas Pluss programme), the European Social Fund (Doctoral School of Earth Sciences and Ecology). This work was also supported by Academy of Finland ( 294088 , 288494 ), from the European Research Council (ERC) under the European Union{\textquoteleft}s Horizon 2020 research and innovation programme under grant agreement No [ 757695 ], and a Department of Energy (DOE) grant to JPM ( DE-SC0008165 ). ",

year = "2022",

month = feb,

day = "25",

doi = "10.1016/j.scitotenv.2021.151723",

language = "English",

volume = "809",

journal = "Science of the Total Environment",

issn = "0048-9697",

publisher = "Elsevier",

}

TY - JOUR

T1 - Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest

AU - Mander, Ülo

AU - Krasnova, Alisa

AU - Schindler, Thomas

AU - Megonigal, J. Patrick

AU - Escuer-Gatius, Jordi

AU - Espenberg, Mikk

AU - Machacova, Katerina

AU - Maddison, Martin

AU - Pärn, Jaan

AU - Ranniku, Reti

AU - Pihlatie, Mari

AU - Kasak, Kuno

AU - Niinemets, Ülo

AU - Soosaar, Kaido

N1 - Funding Information: This study was supported by the Ministry of Education and Science of Estonia ( SF0180127s08 grant), the Estonian Research Council ( IUT2-16 , PRG-352 , and MOBERC20 ), the Czech Science Foundation ( 17-18112Y ), SustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions (CZ.02.1.01/0.0/0.0/16_019/0000797 ), the Ministry of Education, Youth and Sports of Czech Republic within the National Sustainability Program I (NPU I, grant number LO1415 ), the EU through the European Regional Development Fund (ENVIRON and EcolChange Centres of Excellence, Estonia, and MOBTP101 returning researcher grant by the Mobilitas Pluss programme), the European Social Fund (Doctoral School of Earth Sciences and Ecology). This work was also supported by Academy of Finland ( 294088 , 288494 ), from the European Research Council (ERC) under the European Union‘s Horizon 2020 research and innovation programme under grant agreement No [ 757695 ], and a Department of Energy (DOE) grant to JPM ( DE-SC0008165 ).

PY - 2022/2/25

Y1 - 2022/2/25

N2 - The carbon (C) budgets of riparian forests are sensitive to climatic variability. Therefore, riparian forests are hot spots of C cycling in landscapes. Only a limited number of studies on continuous measurements of methane (CH4) fluxes from riparian forests is available. Here, we report continuous high-frequency soil and ecosystem (eddy-covariance; EC) measurements of CH4 fluxes with a quantum cascade laser absorption spectrometer for a 2.5-year period and measurements of CH4 fluxes from tree stems using manual chambers for a 1.5 year period from a temperate riparian Alnus incana forest. The results demonstrate that the riparian forest is a minor net annual sink of CH4 consuming 0.24 kg CH4-C ha−1 y−1. Soil water content is the most important determinant of soil, stem, and EC fluxes, followed by soil temperature. There were significant differences in CH4 fluxes between the wet and dry periods. During the wet period, 83% of CH4 was emitted from the tree stems while the ecosystem-level emission was equal to the sum of soil and stem emissions. During the dry period, CH4 was substantially consumed in the soil whereas stem emissions were very low. A significant difference between the EC fluxes and the sum of soil and stem fluxes during the dry period is most likely caused by emission from the canopy whereas at the ecosystem level the forest was a clear CH4 sink. Our results together with past measurements of CH4 fluxes in other riparian forests suggest that temperate riparian forests can be long-term CH4 sinks.

AB - The carbon (C) budgets of riparian forests are sensitive to climatic variability. Therefore, riparian forests are hot spots of C cycling in landscapes. Only a limited number of studies on continuous measurements of methane (CH4) fluxes from riparian forests is available. Here, we report continuous high-frequency soil and ecosystem (eddy-covariance; EC) measurements of CH4 fluxes with a quantum cascade laser absorption spectrometer for a 2.5-year period and measurements of CH4 fluxes from tree stems using manual chambers for a 1.5 year period from a temperate riparian Alnus incana forest. The results demonstrate that the riparian forest is a minor net annual sink of CH4 consuming 0.24 kg CH4-C ha−1 y−1. Soil water content is the most important determinant of soil, stem, and EC fluxes, followed by soil temperature. There were significant differences in CH4 fluxes between the wet and dry periods. During the wet period, 83% of CH4 was emitted from the tree stems while the ecosystem-level emission was equal to the sum of soil and stem emissions. During the dry period, CH4 was substantially consumed in the soil whereas stem emissions were very low. A significant difference between the EC fluxes and the sum of soil and stem fluxes during the dry period is most likely caused by emission from the canopy whereas at the ecosystem level the forest was a clear CH4 sink. Our results together with past measurements of CH4 fluxes in other riparian forests suggest that temperate riparian forests can be long-term CH4 sinks.

KW - Automated chambers

KW - Eddy covariance

KW - Quantum cascade laser absorption spectrometer

KW - Soil fluxes

KW - Soil water content

KW - Stem fluxes

KW - Methane

KW - Trees

KW - Carbon Dioxide/analysis

KW - Forests

KW - Ecosystem

KW - Soil

UR - http://www.scopus.com/inward/record.url?scp=85119913645&partnerID=8YFLogxK

U2 - 10.1016/j.scitotenv.2021.151723

DO - 10.1016/j.scitotenv.2021.151723

M3 - Article

C2 - 34801507

AN - SCOPUS:85119913645

SN - 0048-9697

VL - 809

JO - Science of the Total Environment

JF - Science of the Total Environment

M1 - 151723

ER -

Long-term dynamics of soil, tree stem and ecosystem methane fluxes in a riparian forest

Abstract

Bibliographical note

Data Availability Statement

Keywords

Access to Document

Other files and links

Fingerprint

Cite this