The Potential of Mycorrhizal Fungi to Increase Terrestrial Ecosystem Carbon Sink: a Review

— Increasing terrestrial ecosystem carbon sink is an effective way to mitigate the rise of atmospheric carbon dioxide (CO 2 ) concentration and achieve the goal of “carbon neutrality”. Mycorrhizal fungi are beneficial microorganisms that can form symbiotic relationships with 90% of plants in terrest...

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Bibliographic Details
Published in:Eurasian soil science 2023-11, Vol.56 (11), p.1724-1738
Main Authors: Xue He, Wang, Wei, Wang, Xiaohui, Zhang, Bo, Shi, Feng, Kurakov, A. V., Song, Fuqiang
Format: Article
Language:English
Subjects:
Arbuscular mycorrhizas
Atmospheric carbon dioxide
Carbon content
Carbon dioxide
Carbon dioxide concentration
Carbon sequestration
Carbon sinks
Carbon sources
Earth and Environmental Science
Earth Sciences
Ectomycorrhizas
Electromagnetic fields
Environmental aspects
Fungi
Geotechnical Engineering & Applied Earth Sciences
Host plants
Microorganisms
Photosynthesis
Plants
Reviews
Soil Biology
Soil microorganisms
Soils
Symbionts
Terrestrial ecosystems
Terrestrial environments
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Summary:— Increasing terrestrial ecosystem carbon sink is an effective way to mitigate the rise of atmospheric carbon dioxide (CO 2 ) concentration and achieve the goal of “carbon neutrality”. Mycorrhizal fungi are beneficial microorganisms that can form symbiotic relationships with 90% of plants in terrestrial ecosystems, and the symbiont contributes significantly to soil and plant carbon sink. In the review, we take arbuscular mycorrhizal fungi (AMF) and ectomycorrhizal fungi (EMF), which are the most extensively studied currently, as the narrative objects, and discuss the carbon sink enhancement potential of mycorrhizal fungi from the following four aspects. The first, mycorrhizal fungi indirectly increase the plant carbon sink by promoting photosynthesis and increasing biomass in the host plant, and this advantage can be maintained even under stressful conditions. The second, the process of carbon source transportation between AMF-plant symbionts and EMF-plant symbionts is described in this paper. The third, review describes that mycorrhizal fungi contribute to soil carbon sink by increasing carbon input as well as decreasing carbon output. The fourth, we point out the shortcomings of the current study and provide a prospect for future research, with the aim to provide theoretical support for increasing terrestrial carbon sink.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229323601178