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Conservation of ectomycorrhizal fungi: exploring the linkages between functional and taxonomic responses to anthropogenic N depositionAuthor(s): E.A. Lilleskov; E.A. Hobbie; T.R. Horton
Source: Fungal Ecology. 4(2): 174-183.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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DescriptionAnthropogenic nitrogen (N) deposition alters ectomycorrhizal fungal communities, but the effect on functional diversity is not clear. In this review we explore whether fungi that respond differently to N deposition also differ in functional traits, including organic N use, hydrophobicity and exploration type (extent and pattern of extraradical hyphae). Cortinarius, Tricholoma, Piloderma, and Suillus had the strongest evidence of consistent negative effects of N deposition. Cortinarius, Tricholoma and Piloderma display consistent protein use and produce medium-distance fringe exploration types with hydrophobic mycorrhizas and rhizomorphs. Genera that produce long-distance exploration types (mostly Boletales) and contact short-distance exploration types (e.g., Russulaceae, Thelephoraceae, some athelioid genera) vary in sensitivity to N deposition. Members of Bankeraceae have declined in Europe but their enzymatic activity and belowground occurrence are largely unknown. Bankeraceae produce a distinct hydrophobic mat exploration type that may also be important in N acquisition under conditions of low N availability.
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CitationLilleskov, E.A.; Hobbie, E.A.; Horton, T.R. 2011. Conservation of ectomycorrhizal fungi: exploring the linkages between functional and taxonomic responses to anthropogenic N deposition. Fungal Ecology. 4(2): 174-183.
Keywordsconservation biology, ectomycorrhizal fungi, exploration types, functional diversity, hydrophobicity, nitrogen deposition, protein use, taxonomic diversity
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