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Plant and Soil

, Volume 397, Issue 1–2, pp 1–16 | Cite as

Plant species diversity affects infiltration capacity in an experimental grassland through changes in soil properties

  • Christine FischerEmail author
  • Jana Tischer
  • Christiane Roscher
  • Nico Eisenhauer
  • Janneke Ravenek
  • Gerd Gleixner
  • Sabine Attinger
  • Britta Jensen
  • Hans de Kroon
  • Liesje Mommer
  • Stefan Scheu
  • Anke Hildebrandt
Regular Article

Abstract

Background and aims

Soil hydraulic properties drive water distribution and availability in soil. There exists limited knowledge of how plant species diversity might influence soil hydraulic properties.

Methods

We quantified the change in infiltration capacity affected by soil structural variables (soil bulk density, porosity and organic carbon content) along a gradient of soil texture, plant species richness (1, 2, 4, 8, 16 and 60) and functional group composition (grasses, legumes, small herbs, tall herbs). We conducted two infiltration measurement campaigns (May and October 2012) using a hood infiltrometer.

Results

Plant species richness significantly increased infiltration capacity in the studied grasslands. Both soil porosity (or inversely bulk density) and organic carbon played an important role in mediating the plant species richness effect. Soil texture did not correlate with infiltration capacity. In spring 2012, earthworm biomass increased infiltration capacity, but this effect could not be attributed to changes in soil structural variables.

Conclusions

We experimentally identified important ecological drivers of infiltration capacity, suggesting complex interactions between plant species richness, earthworms, and soil structural variables, while showing little impact of soil texture. Changes in plant species richness may thus have significant effects on soil hydraulic properties with potential consequences for surface run-off and soil erosion.

Keywords

Infiltration capacity Soil porosity Soil organic carbon content Plant species richness The Jena experiment 

Notes

Acknowledgments

The Jena Experiment is funded by the German Science Foundation (DFG, FOR456) with additional support from the Max Planck Society and the University of Jena and coordinated by W.W. Weisser. We thank all the people involved in the maintenance of the experiment, infiltration measurements (in particular Franziska Guderle) and the gardeners. We thank Alexandra Weigelt, Sybille Steinbeiss, Maike Habekost, and Alexandru Milcu for providing raw data on plant community data, soil organic carbon content and earthworm biomass. We also thank the three anonymous reviewers for their insights which improved the manuscript. This work was kindly supported by Helmholtz Impulse and Networking Fund through Helmholtz Interdisciplinary Graduate School for Environmental Research (HIGRADE) (Bissinger and Kolditz 2008). Anke Hildebrandt was supported by AquaDiv@Jena, a project funded by the initiative “ProExzellenz” of the German federal state of Thuringia.

Supplementary material

11104_2014_2373_Fig4_ESM.gif (48 kb)
Fig. S1

Path analysis showing the relationships between plant species richness (SR), texture (sand in 0–10 cm depth), soil organic carbon content (SOC), porosity, belowground biomass (BM root in 0–5 cm depth), and infiltration capacity for the full model in a), and including earthworm biomass (only for May) in b).(GIF 47 kb)

11104_2014_2373_MOESM1_ESM.tif (273 kb)
High Resolution Image (TIFF 273 kb)
11104_2014_2373_MOESM2_ESM.docx (16 kb)
ESM 2 (DOCX 16 kb)
11104_2014_2373_MOESM3_ESM.docx (16 kb)
ESM 3 (DOCX 16 kb)

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Christine Fischer
    • 1
    • 2
    Email author
  • Jana Tischer
    • 1
  • Christiane Roscher
    • 3
  • Nico Eisenhauer
    • 4
    • 5
    • 6
  • Janneke Ravenek
    • 7
  • Gerd Gleixner
    • 2
  • Sabine Attinger
    • 1
    • 8
  • Britta Jensen
    • 9
  • Hans de Kroon
    • 7
  • Liesje Mommer
    • 10
  • Stefan Scheu
    • 9
  • Anke Hildebrandt
    • 1
    • 2
  1. 1.Institute of GeosciencesFriedrich-Schiller-University JenaJenaGermany
  2. 2.Max Planck Institute for BiogeochemistryJenaGermany
  3. 3.UFZ, Helmholtz Centre for Environmental ResearchDepartment of Community EcologyHalleGermany
  4. 4.Institute of EcologyFriedrich Schiller University JenaJenaGermany
  5. 5.German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-LeipzigLeipzigGermany
  6. 6.Institute for BiologyUniversity of LeipzigLeipzigGermany
  7. 7.Experimental Plant Ecology, Institute for Water and Wetland ResearchRadboud University NijmegenNijmegenThe Netherlands
  8. 8.UFZ, Helmholtz Centre of Environmental ResearchDepartment of Computational HydrosystemsLeipzigGermany
  9. 9.J.F. Blumenbach Institute of Zoology and AnthropologyGeorg August University of GöttingenGöttingenGermany
  10. 10.Nature Conservation and Plant Ecology GroupWageningen UniversityWageningenThe Netherlands

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