Emissions of biogenic volatile organic compounds from arctic shrub litter are coupled with changes in the bacterial community composition

Svendsen, Sarah Hagel; Priemé, Anders; Voříšková, Jana; Kramshøj, Magnus; Schostag, Morten; Jacobsen, Carsten Suhr; Rinnan, Riikka

doi:10.1016/j.soilbio.2018.02.001

Cited by 25 publications

(33 citation statements)

References 70 publications

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“…SOC and litter have been found to release benzenoids both under laboratory and field conditions (Aaltonen et al, ; Kramshøj et al, ; Leff & Fierer, ; Svendsen et al, ). Svendsen et al () found benzenoids to be a significant fraction (~32%) of total BVOCs (measured using GC‐MS) emitted from deciduous Salix litter. Both Isidorov and Jdanova () and Leff and Fierer () reported emissions of a variety of benzenoids from different kinds of litter samples.…”

Section: Soil Bvoc Sources and Sinksmentioning

confidence: 99%

“…Literature focusing on the quantification of soil BVOC fluxes is limited compared to the number of studies on plant emissions. Studies that have measured BVOC release from litter and SOC under laboratory conditions (Leff & Fierer, 2008;Svendsen et al, 2018), in contrast to in situ measurements, allow for separation of the sources of the release. Root emissions (including emissions from the root itself and associated fungi and bacteria) are generally difficult to separate from other sources (Lin et al, 2007) and can often be induced due to stress (Ali et al, 2011;Chiriboga et al, 2018;Kelsey et al, 2016) or responses to other environmental factors to mediate plant-plant and plant-soil organism interactions (Delory et al, 2016;Peñuelas et al, 2014;Walker et al, 2003;Wenke et al, 2010).…”

Section: Soil Bvoc Sources and Sinksmentioning

confidence: 99%

“…Plant litter-emitted compounds vary in quantity and type for different plant species, and the types of BVOCs emitted during decomposition processes can also vary over time (Gray et al, 2010;Leff & Fierer, 2008). The leaf litter of closely related plant species (with similar structure and harbored microbial communities) tends to have similar BVOC emission profiles (Gray et al, 2010;Svendsen et al, 2018). Litter BVOCs are comprised of compounds produced in living plants and stored in leaves (Aaltonen et al, 2013;Svendsen et al, 2018), as well as new compounds produced by microbes during decomposition (Leff & Fierer, 2008).…”

Section: Litter Emissionsmentioning

confidence: 99%

“…The leaf litter of closely related plant species (with similar structure and harbored microbial communities) tends to have similar BVOC emission profiles (Gray et al, 2010;Svendsen et al, 2018). Litter BVOCs are comprised of compounds produced in living plants and stored in leaves (Aaltonen et al, 2013;Svendsen et al, 2018), as well as new compounds produced by microbes during decomposition (Leff & Fierer, 2008). Generally, leaf litter exhibits higher emission rates than SOC (Hayward et al, 2001;Leff & Fierer, 2008;Ramirez et al, 2010;Sawada & Totsuka, 1986) because of the larger fraction of labile carbon and/or the release of stored BVOCs (Aaltonen et al, 2011;Svendsen et al, 2018).…”

Section: Litter Emissionsmentioning

confidence: 99%

“…Litter BVOCs are comprised of compounds produced in living plants and stored in leaves (Aaltonen et al, 2013;Svendsen et al, 2018), as well as new compounds produced by microbes during decomposition (Leff & Fierer, 2008). Generally, leaf litter exhibits higher emission rates than SOC (Hayward et al, 2001;Leff & Fierer, 2008;Ramirez et al, 2010;Sawada & Totsuka, 1986) because of the larger fraction of labile carbon and/or the release of stored BVOCs (Aaltonen et al, 2011;Svendsen et al, 2018). Litter has often been suggested as the main BVOC source in a forest besides vegetation (Asensio, Owen, et al, 2008;Hellén et al, 2006;Mäki et al, 2017;Schade & Goldstein, 2001).…”

Section: Litter Emissionsmentioning

confidence: 99%

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Process Understanding of Soil BVOC Fluxes in Natural Ecosystems: A Review

Tang

Schurgers

Rinnan

2019

Reviews of Geophysics

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Biogenic volatile organic compounds (BVOCs) can be released from soils to the atmosphere through microbial decomposition of plant residues or soil organic carbon, root emission, evaporation of litter‐stored BVOCs, and other physical processes. Soils can also act as a sink of BVOCs through biotic and abiotic uptake. Currently, the source and sink capabilities of soils have not been explicitly accounted for in global BVOC estimates from the terrestrial biosphere. In this review, we summarize the current knowledge of soil BVOC processes and aim to propose a generic framework for modelling soil BVOCs based on current understanding and data availability. To achieve this target, we start by reviewing measured sources and sinks of soil BVOCs and summarize commonly reported compounds. Next, we strive to disentangle the drivers for the underlying biotic and abiotic processes. We have ranked the list of compounds, known to be emitted from soils, based on our current understanding of how each process controls emission and uptake. We then present a modelling framework to describe soil BVOC emissions. The proposed framework is an important step toward initializing modelling exercises related to soil BVOC fluxes. Finally, we also provide suggestions for measurements needed to separate individual processes, as well as explore long‐term and large‐scale patterns in soil BVOC fluxes.

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Section: Soil Bvoc Sources and Sinksmentioning

confidence: 99%

Section: Soil Bvoc Sources and Sinksmentioning

confidence: 99%

Section: Litter Emissionsmentioning

confidence: 99%

Section: Litter Emissionsmentioning

confidence: 99%

Section: Litter Emissionsmentioning

confidence: 99%

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Process Understanding of Soil BVOC Fluxes in Natural Ecosystems: A Review

Tang

Schurgers

Rinnan

2019

Reviews of Geophysics

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BVOC Emissions From a Subarctic Ecosystem, as Controlled by Insect Herbivore Pressure and Temperature

et al. 2021

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The biogenic volatile organic compounds, BVOCs have a central role in ecosystem–atmosphere interactions. High-latitude ecosystems are facing increasing temperatures and insect herbivore pressure, which may affect their BVOC emission rates, but evidence and predictions of changes remain scattered. We studied the long-term effects of + 3 °C warming and reduced insect herbivory (achieved through insecticide sprayings) on mid- and late summer BVOC emissions from field layer vegetation, supplemented with birch saplings, and the underlying soil in Subarctic mountain birch forest in Finland in 2017–2018. Reduced insect herbivory decreased leaf damage by 58–67% and total ecosystem BVOC emissions by 44–72%. Of the BVOC groups, total sesquiterpenes had 70–80% lower emissions with reduced herbivory, and in 2017 the decrease was greater in warmed plots (89% decrease) than in ambient plots (34% decrease). While non-standardized total BVOC, monoterpene, sesquiterpene and GLV emissions showed instant positive responses to increasing chamber air temperature in midsummer samplings, the long-term warming treatment effects on standardized emissions mainly appeared as changes in the compound structure of BVOC blends and varied with compounds and sampling times. Our results suggest that the effects of climate warming on the total quantity of BVOC emissions will in Subarctic ecosystems be, over and above the instant temperature effects, mediated through changes in insect herbivore pressure rather than plant growth. If insect herbivore numbers will increase as predicted under climate warming, our results forecast herbivory-induced increases in the quantity of Subarctic BVOC emissions. Graphic Abstract

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Boreal forest soil is a significant and diverse source of volatile organic compounds

et al. 2019

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Aims Vegetation emissions of volatile organic compounds (VOCs) are intensively studied worldwide , because oxidation products of VOCs contribute to atmospheric processes. The overall aim of this study was to identify and quantify the VOCs that originate from boreal podzolized forest soil at different depths, in addition to studying the association of VOC concentrations with VOC and CO 2 fluxes from the boreal forest floor. Methods This is the first published study that measures belowground VOC concentrations at different depths in a podzol soil combined with simultaneous flux measurements from the boreal forest floor. The VOC concentrations were determined by sampling VOCs from air inside soil layers using the gas collectors and adsorbent tubes. Forest floor VOC fluxes were determined using a dynamic enclosure technique. All the VOC samples were analysed using a thermal desorption-gas chromatograph-mass spectrometer. Results More than 50 VOCs, dominated by monoterpenes and sesquiterpenes, were detected in the air space in the soil during two measurement campaigns. The Ohorizon was a significant monoterpene source, because it contained fresh isoprenoid-rich litter. Belowground monoterpene concentrations were largely decoupled from forest floor monoterpene fluxes; thus, it seems that production processes and storages of VOCs partly differ from those VOCs that are simultaneously released from the forest floor. Both fluxes and concentrations of the monoterpenes and sesquiterpenes correlated with the CO 2 fluxes in autumn, indicating that VOC release was driven by microbial activity. Conclusions This is the first study where below-ground VOC concentrations were quantified in situ, and for this reason, this study provides valuable insights to the VOC sources present in soils.

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Emissions of biogenic volatile organic compounds from arctic shrub litter are coupled with changes in the bacterial community composition

Abstract: Highlights • Changes in volatile emission patterns during decomposition vary between plant species. • Volatile emissions differ between high arctic and low arctic litter. • Bacterial community changes correlate with volatile emission changes for Salix litter.

Cited by 25 publications

References 70 publications

Process Understanding of Soil BVOC Fluxes in Natural Ecosystems: A Review

Process Understanding of Soil BVOC Fluxes in Natural Ecosystems: A Review

BVOC Emissions From a Subarctic Ecosystem, as Controlled by Insect Herbivore Pressure and Temperature

Boreal forest soil is a significant and diverse source of volatile organic compounds

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