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Forests
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Microbial Cycling of Trace Greenhouse Gases in Forest Soils
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Microbial Cycling of Trace Greenhouse Gases in Forest Soils

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Soil".

Deadline for manuscript submissions: closed (20 February 2022) | Viewed by 6318

Special Issue Editors

Prof. Dr. Chih-Yu Chiu

E-Mail Website
Guest Editor
Biodiversity Research Centre, Academia Sinica, Nankang, Taipei 11529, Taiwan
Interests: forest ecosystem; soil biochemistry; microbiology and biogeochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Yojin Shiau

E-Mail Website
Guest Editor
Department of Bioenvironmental System Engineering, National Taiwan University, Taipei 10617, Taiwan
Interests: biogeochemistry; soil microbial ecology; environmental pollution; ecological engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Atmospheric trace greenhouse gases, such as methane and nitrous oxide, have high global warming potentials. Forest ecosystems modulate important functions on these trace greenhouse gases, as microbial communities participate in both the production and consumption of these gases in forest soils. In particular, human activities and the changing climate might further affect the greenhouse gas emissions from forest soils. The Special Issue will present the influences and responses of soil bacterial communities in forests to global warming.

Prof. Dr. Chih-Yu Chiu
Prof. Dr. Yojin Shiau
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • CH4
  • N2O
  • forest
  • soil
  • microbial

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Published Papers (2 papers)

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Research

23 pages, 4896 KiB  
Article
Changes in Soil Microbial Community and Carbon Flux Regime across a Subtropical Montane Peatland-to-Forest Successional Series in Taiwan
by Chun-Yao Chen, I-Ling Lai and Shih-Chieh Chang
Forests 2022, 13(6), 958; https://doi.org/10.3390/f13060958 - 19 Jun 2022
Cited by 3 | Viewed by 2395
Abstract
Subtropical montane peatland is among several rare ecosystems that continue to receive insufficient scientific exploration. We analyzed the vegetation types and soil bacterial composition, as well as surface carbon dioxide and methane fluxes along a successional peatland-to-upland-forest series in one such ecosystem in [...] Read more.
Subtropical montane peatland is among several rare ecosystems that continue to receive insufficient scientific exploration. We analyzed the vegetation types and soil bacterial composition, as well as surface carbon dioxide and methane fluxes along a successional peatland-to-upland-forest series in one such ecosystem in Taiwan. The Yuanyang Lake (YYL) study site is characterized by low temperature, high precipitation, prevailing fog, and acidic soil, which are typical conditions for the surrounding dominant Chamaecyparis obtusa var. formosana forest. Bacterial communities were dominated by Acidobacteriota and Proteobacteria. Along the bog-to-forest gradient, Proteobacteria decreased and Acidobacteriota increased while CO2 fluxes increased and CH4 fluxes decreased. Principal coordinate analysis allowed separating samples into four clusters, which correspond to samples from the bog, marsh, forest, and forest outside of the watershed. The majority of bacterial genera were found in all plots, suggesting that these communities can easily switch to other types. Variation among samples from the same vegetation type suggests influence of habitat heterogeneity on bacterial community composition. Variations of soil water content and season caused the variations of carbon fluxes. While CO2 flux decreased exponentially with increasing soil water content, the CH4 fluxes exhibited an exponential increase together with soil water content. Because YYL is in a process of gradual terrestrialization, especially under the warming climate, we expect changes in microbial composition and the greenhouse gas budget at the landscape scale within the next decades. Full article
(This article belongs to the Special Issue Microbial Cycling of Trace Greenhouse Gases in Forest Soils)
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19 pages, 4712 KiB  
Article
Atmospheric Methane Consumption and Methanotroph Communities in West Siberian Boreal Upland Forest Ecosystems
by Aleksandr F. Sabrekov, Olga V. Danilova, Irina E. Terentieva, Anastasia A. Ivanova, Svetlana E. Belova, Yuri V. Litti, Mikhail V. Glagolev and Svetlana N. Dedysh
Forests 2021, 12(12), 1738; https://doi.org/10.3390/f12121738 - 9 Dec 2021
Cited by 9 | Viewed by 3308
Abstract
Upland forest ecosystems are recognized as net sinks for atmospheric methane (CH4), one of the most impactful greenhouse gases. Biological methane uptake in these ecosystems occurs due to the activity of aerobic methanotrophic bacteria. Russia hosts one-fifth of the global forest [...] Read more.
Upland forest ecosystems are recognized as net sinks for atmospheric methane (CH4), one of the most impactful greenhouse gases. Biological methane uptake in these ecosystems occurs due to the activity of aerobic methanotrophic bacteria. Russia hosts one-fifth of the global forest area, with the most extensive forest landscapes located in West Siberia. Here, we report seasonal CH4 flux measurements conducted in 2018 in three types of stands in West Siberian middle taiga–Siberian pine, Aspen, and mixed forests. High rates of methane uptake of up to −0.184 mg CH4 m−2 h−1 were measured by a static chamber method, with an estimated total growing season consumption of 4.5 ± 0.5 kg CH4 ha−1. Forest type had little to no effect on methane fluxes within each season. Soil methane oxidation rate ranged from 0 to 8.1 ng CH4 gDW−1 h−1 and was negatively related to water-filled pore space. The microbial soil communities were dominated by the Alpha- and Gammaproteobacteria, Acidobacteriota and Actinobacteriota. The major group of 16S rRNA gene reads from methanotrophs belonged to uncultivated Beijerinckiaceae bacteria. Molecular identification of methanotrophs based on retrieval of the pmoA gene confirmed that Upland Soil Cluster Alpha was the major bacterial group responsible for CH4 oxidation. Full article
(This article belongs to the Special Issue Microbial Cycling of Trace Greenhouse Gases in Forest Soils)
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