Historical land use change has lowered terrestrial silica mobilization

Research output: Contribution to journalArticle

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.

Details

Authors
  • Eric Struyf
  • Adriaan Smis
  • Stefan Van Damme
  • Josette Garnier
  • Gerard Govers
  • Bas Van Wesemael
  • Daniel Conley
  • Okke Batelaan
  • Elisabeth Frot
  • Wim Clymans
  • Floor Vandevenne
  • Christiane Lancelot
  • Peter Goos
  • Patrick Meire
Organisations
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Geology
Original languageEnglish
JournalNature Communications
Volume1
StatePublished - 2010
Publication categoryResearch
Peer-reviewedYes