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Treatment of log yard run-off by irrigation of grass and willows

  • Maria Jonsson
  • , Ioannis Dimitriou
  • , Pär Aronsson
  • , Torbjörn Elowson

    Publication: Contribution to journalJournal articlepeer-review

    Abstract

    Log yard run-off is a potential environmental risk, among other things because it creates an oxygen deficiency in receiving watercourses. This study was conducted to investigate the purification efficiency of soil-plant systems with couchgrass (Elymus repens) and willows (Salix sp.) when intensively irrigated with run-off from an open sprinkling system at a Norway spruce (Picea abies) log yard. The purification efficiency was determined both at the field scale (couchgrass) and in 68-L lysimeters (couchgrass and willows). Groundwater in the field and drainage water from the lysimeters were analysed for Total Organic Carbon (TOC), distillable phenols, total P, and total N. Retention of TOC, phenols and P occurred but no difference between couchgrass and willows was observed. The system had better purification capacity at the field scale than in the lysimeters. (c) 2005 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)157-166
    Number of pages10
    JournalEnvironmental Pollution
    Volume139
    Issue number1
    DOIs
    Publication statusPublished - 2006

    Keywords

    • run-off
    • log yard
    • Salix sp.
    • Elymus repens
    • total organic carbon

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