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Evaluation of methods to estimate production, biomass and turnover of ectomycorrhizal mycelium in forests soils: a review
Örebro University, School of Science and Technology.ORCID iD: 0000-0003-4384-5014
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2013 (English)In: Soil Biology and Biochemistry, ISSN 0038-0717, E-ISSN 1879-3428, Vol. 57, p. 1034-1047Article, review/survey (Refereed) Published
Abstract [en]

Mycorrhizal fungi constitute a considerable sink for carbon in most ecosystems. This carbon is used for building extensive mycelial networks in the soil as well as for metabolic activity related to nutrient uptake. A number of methods have been developed recently to quantify production, standing biomass and turnover of extramatrical mycorrhizal mycelia (EMM) in the field. These methods include minirhizotrons, in-growth mesh bags and cores, and indirect measurements of EMM based on classification of ectomycorrhizal fungi into exploration types. Here we review the state of the art of this methodology and discuss how it can be developed and applied most effectively in the field, Furthermore, we also discuss different ways to quantify fungal biomass based on biomarkers such as chitin, ergosterol and PLFAs, as well as molecular methods, such as qPCR. The evidence thus far indicates that mycorrhizal fungi are key components of microbial biomass in many ecosystems. We highlight the need to extend the application of current methods to focus on a greater range of habitats and mycorrhizal types enabling incorporation of mycorrhizal fungal biomass and turnover into biogeochemical cycling models.

Place, publisher, year, edition, pages
2013. Vol. 57, p. 1034-1047
Keywords [en]
Chitin, Exploration type, Ergosterol, Extramatrical mycelium, In-growth bag, Minirhizotron, PLFA, Rhizomorphs, Sampling design, Turnover rates
National Category
Biological Sciences
Research subject
Biology
Identifiers
URN: urn:nbn:se:oru:diva-29053DOI: 10.1016/j.soilbio.2012.08.027ISI: 000317247100124OAI: oai:DiVA.org:oru-29053DiVA, id: diva2:621858
Available from: 2013-05-17 Created: 2013-05-17 Last updated: 2018-04-05Bibliographically approved

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Ekblad, Alf

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