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Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers

Mutinova, Petra Thea and Kahlert, Maria and Kupilas, Benjamin and Mckie, Brendan and Friberg, Nikolai and Burdon, Francis (2020). Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers. Water. 12 , 2799
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Abstract

Urbanization impacts stream ecosystems globally through degraded water quality, altered hydrology, and landscape disturbances at the catchment and riparian scales, causing biodiversity losses and altered system functioning. Addressing the "urban stream syndrome" requires multiple mitigation tools, and rehabilitation of riparian vegetation may help improve stream ecological status and provide key ecosystem services. However, the extent to which forested riparian buffers can help support stream biodiversity in the face of numerous environmental contingencies remains uncertain. We assessed how a key indicator of stream ecological status, benthic diatoms, respond to riparian habitat conditions using 10 urban site pairs (each comprising of one unbuffered and one buffered reach), and additional urban downstream and forest reference upstream sites in the Oslo Fjord basin. Diatom communities were structured by multiple drivers including spatial location, land use, water quality, and instream habitat. Among these, riparian habitat condition independently explained 16% of variation in community composition among site pairs. Changes in community structure and indicator taxa, along with a reduction in pollution-tolerant diatoms, suggested tangible benefits of forested riparian buffers for stream biodiversity in urban environments. Managing urban impacts requires multiple solutions, with forested riparian zones providing a potential tool to help improve biodiversity and ecosystem services.

Authors/Creators:Mutinova, Petra Thea and Kahlert, Maria and Kupilas, Benjamin and Mckie, Brendan and Friberg, Nikolai and Burdon, Francis
Title:Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers
Series Name/Journal:Water
Year of publishing :2020
Volume:12
Article number:2799
Number of Pages:21
Publisher:MDPI
ISSN:2073-4441
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 105 Earth and Related Environmental Sciences > Environmental Sciences (social aspects to be 507)
Keywords:urban stream syndrome, urbanization, riparian buffer, nature-based solutions, habitat restoration, blue-green infrastructure
URN:NBN:urn:nbn:se:slu:epsilon-p-108981
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-108981
Additional ID:
Type of IDID
DOI10.3390/w12102799
Web of Science (WoS)000585314300001
ID Code:19081
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Aquatic Sciences and Assessment
Deposited By: SLUpub Connector
Deposited On:02 Dec 2020 11:23
Metadata Last Modified:15 Jan 2021 19:44

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