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Historical land use change has lowered terrestrial silica mobilization

Author

Listed:
  • Eric Struyf

    (University of Antwerp, Ecosystem Management Research Group)

  • Adriaan Smis

    (University of Antwerp, Ecosystem Management Research Group)

  • Stefan Van Damme

    (University of Antwerp, Ecosystem Management Research Group)

  • Josette Garnier

    (Université Pierre et Marie Curie, CNRS)

  • Gerard Govers

    (Katholieke Universiteit Leuven)

  • Bas Van Wesemael

    (Université catholique de Louvain, Georges Lemaître Centre for Earth and Climate Research, Earth and Life Institute, Place Louis Pasteur 3)

  • Daniel J. Conley

    (Lund University)

  • Okke Batelaan

    (Katholieke Universiteit Leuven
    Vrije Universiteit Brussel)

  • Elisabeth Frot

    (Université catholique de Louvain, Georges Lemaître Centre for Earth and Climate Research, Earth and Life Institute, Place Louis Pasteur 3)

  • Wim Clymans

    (Katholieke Universiteit Leuven)

  • Floor Vandevenne

    (University of Antwerp, Ecosystem Management Research Group)

  • Christiane Lancelot

    (Université Libre de Bruxelles, Ecologie des Systèmes Aquatiques, ESA, CP-221, Bd du Triomphe)

  • Peter Goos

    (University of Antwerp, StatUa Center for Statistics & Faculty of Applied Economics
    Erasmus University Rotterdam, Erasmus School of Economics, Postbus 1738, Rotterdam 3000 DR, The Netherlands.)

  • Patrick Meire

    (University of Antwerp, Ecosystem Management Research Group)

Abstract

Continental export of Si to the coastal zone is closely linked to the ocean carbon sink and to the dynamics of phytoplankton blooms in coastal ecosystems. Presently, however, the impact of human cultivation of the landscape on terrestrial Si fluxes remains unquantified and is not incorporated in models for terrestrial Si mobilization. In this paper, we show that land use is the most important controlling factor of Si mobilization in temperate European watersheds, with sustained cultivation (>250 years) of formerly forested areas leading to a twofold to threefold decrease in baseflow delivery of Si. This is a breakthrough in our understanding of the biogeochemical Si cycle: it shows that human cultivation of the landscape should be recognized as an important controlling factor of terrestrial Si fluxes.

Suggested Citation

  • Eric Struyf & Adriaan Smis & Stefan Van Damme & Josette Garnier & Gerard Govers & Bas Van Wesemael & Daniel J. Conley & Okke Batelaan & Elisabeth Frot & Wim Clymans & Floor Vandevenne & Christiane Lan, 2010. "Historical land use change has lowered terrestrial silica mobilization," Nature Communications, Nature, vol. 1(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:1:y:2010:i:1:d:10.1038_ncomms1128
    DOI: 10.1038/ncomms1128
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