Details zur Publikation

Kategorie Textpublikation
Referenztyp Zeitschriften
DOI 10.1111/gcb.16062
Volltext Shareable Link
Titel (primär) Priming effects in soils across Europe
Autor Siles, J.A.; Díaz-López, M.; Vera, A.; Eisenhauer, N.; Guerra, C.A.; Smith, L.C.; Buscot, F.; Reitz, T.; Breitkreuz, C.; van den Hoogen, J.; Crowther, T.W.; Orgiazzi, A.; Kuzyakov, Y.; Delgado-Baquerizo, M.; Bastida, F.
Quelle Global Change Biology
Erscheinungsjahr 2022
Department BOOEK; iDiv
Band/Volume 28
Heft 6
Seite von 2146
Seite bis 2157
Sprache englisch
Topic T5 Future Landscapes
Daten-/Softwarelinks https://doi.org/10.6084/m9.figshare.17371853.v1
Supplements https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2Fgcb.16062&file=gcb16062-sup-0001-FigS1-S5.docx
https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2Fgcb.16062&file=gcb16062-sup-0002-TableS1.xlsx
https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2Fgcb.16062&file=gcb16062-sup-0003-TableS2.xlsx
Keywords agroecosystems, carbon cycling, land management, land use, priming effect, soil organic matter
Abstract Land use is a key factor driving changes in soil carbon (C) cycle and contents worldwide. The priming effect (PE)—CO2 emissions from changed soil organic matter decomposition in response to fresh C inputs—is one of the most unpredictable phenomena associated with C cycling and related nutrient mobilization. Yet, we know very little about the influence of land use on soil PE across contrasting environments. Here, we conducted a continental-scale study to (i) determine the PE induced by 13C-glucose additions to 126 cropland and seminatural (forests and grasslands) soils from 22 European countries; (ii) compare PE magnitude in soils under various crop types (i.e., cereals, nonpermanent industrial crops, and orchards); and (iii) model the environmental factors influencing PE. On average, PEs were negative in seminatural (with values ranging between −60 and 26 µg C g−1 soil after 35 days of incubation; median = −11) and cropland (from −55 to 27 µC g−1 soil; median = −4.3) soils, meaning that microbial communities preferentially switched from soil organic C decomposition to glucose mineralization. PE was significantly less negative in croplands compared with seminatural ecosystems and not influenced by the crop type. PE was driven by soil basal respiration (reflecting microbial activity), microbial biomass C, and soil organic C, which were all higher in seminatural ecosystems compared with croplands. This cross European experimental and modeling study elucidated that PE intensity is dependent on land use and allowed to clarify the factors regulating this important C cycling process.
dauerhafte UFZ-Verlinkung https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=25554
Siles, J.A., Díaz-López, M., Vera, A., Eisenhauer, N., Guerra, C.A., Smith, L.C., Buscot, F., Reitz, T., Breitkreuz, C., van den Hoogen, J., Crowther, T.W., Orgiazzi, A., Kuzyakov, Y., Delgado-Baquerizo, M., Bastida, F. (2022):
Priming effects in soils across Europe
Glob. Change Biol. 28 (6), 2146 - 2157 10.1111/gcb.16062