Natural and restored wetland buffers in reducing sediment and nutrient export from forested catchments: Finnish experiences

Mika Nieminen*, Annu Kaila, Markku Koskinen, Sakari Sarkkola, Hannu Fritze, Eeva Stiina Tuittila, Hannu Nousiainen, Harri Koivusalo, Ari Laurén, Hannu Ilvesniemi, Harri Vasander, Tapani Sallantaus

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

7 Citations (Scopus)

Abstract

One of the water quality management practices in forested catchments is to construct wetland buffers between managed areas and recipient water courses. Wetland buffers can be constructed simply by routing runoff from forested areas to natural peatlands and wetlands, or by rewetting lower sections of drained peatlands by filling in or blocking the drainage ditches. The use of natural and restored wetland buffers for reducing nutrient and sediment export from forested catchments, particularly catchments dominated by forestry-drained peatlands, has been studied actively in Finland during the last 15 years. The studies have shown highly variable retention capacity for wetland buffers with different site characteristics and under different environmental conditions. In favorable conditions, high amounts of sediments and adhered mineral elements may be deposited within peat and surface vegetation of the buffer. Dissolved nutrients can be retained biologically into plant.

Original languageEnglish
Title of host publicationThe Role of Natural and Constructed Wetlands in Nutrient Cycling and Retention on the Landscape
PublisherSpringer International Publishing Switzerland
Pages57-72
Number of pages16
ISBN (Electronic)9783319081779
ISBN (Print)9783319081762
DOIs
Publication statusPublished - 1 Jan 2015
MoE publication typeA3 Part of a book or another research book
EventThe Role of Natural and Constructed Wetlands in Nutrient Cycling and Retention on the Landscape - Trebon, Czech Republic
Duration: 17 May 201322 May 2013
Conference number: 8

Workshop

WorkshopThe Role of Natural and Constructed Wetlands in Nutrient Cycling and Retention on the Landscape
CountryCzech Republic
CityTrebon
Period17/05/201322/05/2013

Keywords

  • Drained Peatland
  • Forestry
  • Restoration
  • Retention Capacity
  • Wetland Buffer

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