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Potential impacts of climate change on interactions among saprotrophic cord-forming fungal mycelia and grazing soil invertebrates

A'Bear, Andrew Donald, Jones, Thomas Hefin and Boddy, Lynne 2013. Potential impacts of climate change on interactions among saprotrophic cord-forming fungal mycelia and grazing soil invertebrates. Fungal Ecology 10 , pp. 34-43. 10.1016/j.funeco.2013.01.009

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Abstract

Climate change has the potential to alter the activity of, and interactions among, saprotrophic fungi and soil invertebrate grazers, with implications for decomposer community composition, ecosystem regulation and carbon feedback. We reviewed the impacts of experimentally manipulated temperature, CO2 concentration and soil moisture content on saprotrophic cord-forming basidiomycete growth and function, and on the abundance of soil micro-invertebrates (nematodes) and meso-invertebrates (collembola, mites and enchytraeids). In warmer and wetter conditions, mycelial growth and mycophagous invertebrate abundance are likely to increase. Grazers may either consume the extra mycelial biomass or amplify the temperature effect by stimulating fungal growth. Grazing can stimulate or inhibit decomposition of colonised woody resources and extracellular enzyme production. Future empirical study should partition saprotrophic fungi from the general microbial biomass, with particular attention focussed on enzyme activity and decomposition. Understanding how biotic and abiotic factors interact to regulate saprotrophic fungal activity is crucial to strengthen our predictive capacity regarding decomposition and carbon feedback under climate change.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history > QH301 Biology
Uncontrolled Keywords: Basidiomycete fungi; CO2 feedback; Decomposition; Global warming; Meta-analysis; Nutrient cycling; Soil fauna.
Publisher: Elsevier
ISSN: 1754-5048
Last Modified: 15 Oct 2017 21:44
URI: http://orca-mwe.cf.ac.uk/id/eprint/49860

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