Managing peatland vegetation for drinking water treatment

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Title: Managing peatland vegetation for drinking water treatment
Authors: Ritson, JP
Bell, M
Brazier, RE
Grand-Clement, E
Graham, NJD
Freeman, C
Smith, DM
Templeton, MR
Clark, JM
Item Type: Journal Article
Abstract: Peatland e cosystem services include drinking water provision, flood mitigation, habitat provision and carbon sequestration . Dissolved organic carbon (DOC) removal is a key treatmen t process for the supply of potable water downstream from peat - dominated catchments . A transition from peat - forming Sphagnum moss to vascular plants has been observed in peatlands degraded by (a) land management, (b) atmospheric deposition and (c) climate change. Here within we show that the presence of vascular plants with higher annual above - ground biomass production leads to a seasonal addition of labile plant material into the peatland ecosystem as litter recalcitrance is lower . The net effect will be a smaller litter carbon pool due to higher rates of decomposition , and a greater seasonal pattern of DOC flux . C onventional water treatment involving coagulation - flocculation - sedimentation may be impeded by vascular plant - derived DOC . It has been shown that vascular plant - derived DOC is more difficult to remove via these methods than DOC derived from Sphagnum , whilst also being less susceptible to microbial mineralisation before reaching the treatment works . These results provide evidence that practices aime d at re - establishing Sphagnum moss on degraded peatlands could reduce costs and improve efficacy at water treatment works , offering an alternative to ‘ end - of - pipe’ solutions through management of ecosystem service provision.
Issue Date: 21-Nov-2016
Date of Acceptance: 13-Oct-2016
ISSN: 2045-2322
Publisher: Nature Publishing Group
Journal / Book Title: Scientific Reports
Volume: 6
Copyright Statement: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit © The Author(s) 2016
Sponsor/Funder: Engineering & Physical Science Research Council (E
Funder's Grant Number: 144356 (EP/N010124/1)
Keywords: Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
Publication Status: Published
Article Number: 36751
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering

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