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Soil-borne pathogens reflect agricultural land-use legacies.
Ecol. Lett. 29:e70332 (2026)
Historical land-use changes shape present-day biodiversity through legacy effects, but the duration and mechanisms of these legacies are poorly understood. We used historical land-use maps in two Swedish landscapes across three centuries to examine the persistent influence of historical land use on plant and soil microbial communities. Overall, bacteria showed stronger legacy effects than fungi, but effects varied across functional groups of plant-associated and free-living taxa. However, soil-borne plant pathogenic fungi showed a persisting influence of arable land use which gradually disappeared after ~150 years, suggesting that land-use legacies decay over time. This dilution could relate to changing plant communities but also to changes in microbial associations, as suggested by species co-occurrence patterns over time. Our findings provide novel and crucial information on the duration of land-use legacies and single out soil-borne plant pathogens as key indicator groups of historical land use in present-day ecosystems.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Land‐use Change ; Legacy Decay ; Legacy Effects ; Pathogens ; Soil Microbes; Plant; Disturbance; Ecosystems; Grassland; Diversity; Patterns; Impact
ISSN (print) / ISBN
1461-023X
e-ISSN
1461-0248
Journal
Ecology Letters
Quellenangaben
Volume: 29,
Issue: 2,
Article Number: e70332
Publisher
Wiley
Publishing Place
Oxford
Reviewing status
Peer reviewed
Institute(s)
Research Unit Environmental Simulation (EUS)
Grants
Stiftelsen Oscar och Lili Lamms Minne