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    The influence of soil age on ecosystem structure and function across biomes

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    Author
    Delgado-Baquerizo, M; Reich, PB; Bardgett, RD; Eldridge, DJ; Lambers, H; Wardle, DA; Reed, SC; Plaza, C; Png, GK; Neuhauser, S; ...
    Date
    2020-09-18
    Source Title
    Nature Communications
    Publisher
    NATURE RESEARCH
    University of Melbourne Author/s
    He, Jizheng
    Affiliation
    Agriculture and Food Systems
    Metadata
    Show full item record
    Document Type
    Journal Article
    Citations
    Delgado-Baquerizo, M., Reich, P. B., Bardgett, R. D., Eldridge, D. J., Lambers, H., Wardle, D. A., Reed, S. C., Plaza, C., Png, G. K., Neuhauser, S., Berhe, A. A., Hart, S. C., Hu, H. -W., He, J. -Z., Bastida, F., Abades, S., Alfaro, F. D., Cutler, N. A., Gallardo, A. ,... Fierer, N. (2020). The influence of soil age on ecosystem structure and function across biomes. NATURE COMMUNICATIONS, 11 (1), https://doi.org/10.1038/s41467-020-18451-3.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/251613
    DOI
    10.1038/s41467-020-18451-3
    Abstract
    The importance of soil age as an ecosystem driver across biomes remains largely unresolved. By combining a cross-biome global field survey, including data for 32 soil, plant, and microbial properties in 16 soil chronosequences, with a global meta-analysis, we show that soil age is a significant ecosystem driver, but only accounts for a relatively small proportion of the cross-biome variation in multiple ecosystem properties. Parent material, climate, vegetation and topography predict, collectively, 24 times more variation in ecosystem properties than soil age alone. Soil age is an important local-scale ecosystem driver; however, environmental context, rather than soil age, determines the rates and trajectories of ecosystem development in structure and function across biomes. Our work provides insights into the natural history of terrestrial ecosystems. We propose that, regardless of soil age, changes in the environmental context, such as those associated with global climatic and land-use changes, will have important long-term impacts on the structure and function of terrestrial ecosystems across biomes.

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