An assessment of the multifunctionality of integrated buffer zones in Northwestern Europe

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  • Dominik Zak
  • Marc Stutter, The James Hutton Institute
  • ,
  • Henning S. Jensen, Syddansk Universitet
  • ,
  • Sara Egemose, Syddansk Universitet
  • ,
  • Mette V. Carstensen
  • Joachim Audet
  • John A. Strand, Dep. of Wetlands and Biodiversity
  • ,
  • Peter Feuerbach, Dep. of Wetlands and Biodiversity
  • ,
  • Carl C. Hoffmann
  • Benjamin Christen
  • ,
  • Sandra Hille
  • ,
  • Mads Knudsen
  • ,
  • Jenni Stockan, The James Hutton Institute
  • ,
  • Helen Watson, The James Hutton Institute
  • ,
  • Goswin Heckrath
  • Brian Kronvang

Integrated buffer zones (IBZs) have recently been introduced in the Northwestern Europe temperate zone to improve delivery of ecosystem services compared with the services associated with long-established vegetated buffer zones. A common feature of all the studied IBZ sites is that tile drainage, which previously discharged directly into the streams, is now intercepted within the IBZ. Specifically, the design of IBZs combines a pond, where soil particles present in drain water or surface runoff can be deposited, and a planted subsurface flow infiltration zone. Together, these two components should provide an optimum environment for microbial processes and plant uptake of nutrients. Nutrient reduction capacities, biodiversity enhancement, and biomass production functions were assessed with different emphasis across 11 IBZ sites located in Denmark, Great Britain, and Sweden. Despite the small size of the buffer zones (250-800 m(2)) and thus the small proportion of the drained catchment (mostly

TidsskriftJournal of Environmental Quality
Sider (fra-til)362-375
Antal sider14
StatusUdgivet - mar. 2019

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