Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers
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, a...
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| Veröffentlicht in: | Water (Basel) 2020-10, Vol.12 (10), p.2799 |
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| creator | Mutinova, Petra Thea Kahlert, Maria Kupilas, Benjamin McKie, Brendan G. Friberg, Nikolai Burdon, Francis J. |
| description | 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. |
| doi_str_mv | 10.3390/w12102799 |
| format | Article |
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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.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w12102799</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bacillariophyceae ; Biodiversity ; Biological diversity ; Buffers ; Community composition ; Community structure ; Ecology ; Economic indicators ; Ecosystem services ; Ecosystems ; Ekologi ; Environmental Sciences ; Fjords ; Forest ecosystems ; Habitats ; Hydrology ; Hypotheses ; Laboratories ; Land use ; Marine microorganisms ; Miljövetenskap ; Mitigation ; Nitrates ; Nitrogen ; Pollution control ; Rehabilitation ; Riparian buffers ; Riparian forests ; Riparian land ; Riparian vegetation ; Stormwater management ; Stream pollution ; Streams ; Urban areas ; Urban environments ; Urbanization ; Vegetation ; Water quality</subject><ispartof>Water (Basel), 2020-10, Vol.12 (10), p.2799</ispartof><rights>COPYRIGHT 2020 MDPI AG</rights><rights>2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 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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.</description><subject>Bacillariophyceae</subject><subject>Biodiversity</subject><subject>Biological diversity</subject><subject>Buffers</subject><subject>Community composition</subject><subject>Community structure</subject><subject>Ecology</subject><subject>Economic indicators</subject><subject>Ecosystem services</subject><subject>Ecosystems</subject><subject>Ekologi</subject><subject>Environmental Sciences</subject><subject>Fjords</subject><subject>Forest ecosystems</subject><subject>Habitats</subject><subject>Hydrology</subject><subject>Hypotheses</subject><subject>Laboratories</subject><subject>Land use</subject><subject>Marine microorganisms</subject><subject>Miljövetenskap</subject><subject>Mitigation</subject><subject>Nitrates</subject><subject>Nitrogen</subject><subject>Pollution control</subject><subject>Rehabilitation</subject><subject>Riparian buffers</subject><subject>Riparian forests</subject><subject>Riparian land</subject><subject>Riparian vegetation</subject><subject>Stormwater management</subject><subject>Stream pollution</subject><subject>Streams</subject><subject>Urban areas</subject><subject>Urban environments</subject><subject>Urbanization</subject><subject>Vegetation</subject><subject>Water quality</subject><issn>2073-4441</issn><issn>2073-4441</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>D8T</sourceid><recordid>eNpNUU1LAzEQXUTBoj34DwKePFQnm2STHGv9hIKg9hyy2YlN6W5qsov4712pqDOHNzPMezx4RXFG4ZIxDVcftKRQSq0PikkJks045_Tw33xcTHPewFhcKyVgUiyvsevXwZGbYPvYkkVs26ELfcBMQkdWqbYdeekT2jYT2zWkXyN5jlsk0ZPnsLMpjA_Xg_eY8mlx5O024_QHT4rV3e3r4mG2fLp_XMyXM8ck9DPlHAgooeKK-krWTQMOsfIWlGKSWaylVpXkgmtheeMZ5QJ55cZFaMU9Oyku97r5A3dDbXYptDZ9mmiDyduhtukbTEZDQWlFR8L5nrBL8X3A3JtNHFI3ejSlECAocC7_ZN_sFk3ofOyTdWM32AYXO_RhvM-lpoyWUsFIuNgTXIo5J_S_TiiY70TMbyLsC0Y9e4E</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Mutinova, Petra Thea</creator><creator>Kahlert, Maria</creator><creator>Kupilas, Benjamin</creator><creator>McKie, Brendan G.</creator><creator>Friberg, Nikolai</creator><creator>Burdon, Francis J.</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>D8T</scope><scope>ZZAVC</scope><orcidid>https://orcid.org/0000-0003-1040-1564</orcidid><orcidid>https://orcid.org/0000-0002-4211-1679</orcidid><orcidid>https://orcid.org/0000-0002-1796-9497</orcidid><orcidid>https://orcid.org/0000-0002-5398-4993</orcidid></search><sort><creationdate>20201001</creationdate><title>Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers</title><author>Mutinova, Petra Thea ; 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| subjects | Bacillariophyceae Biodiversity Biological diversity Buffers Community composition Community structure Ecology Economic indicators Ecosystem services Ecosystems Ekologi Environmental Sciences Fjords Forest ecosystems Habitats Hydrology Hypotheses Laboratories Land use Marine microorganisms Miljövetenskap Mitigation Nitrates Nitrogen Pollution control Rehabilitation Riparian buffers Riparian forests Riparian land Riparian vegetation Stormwater management Stream pollution Streams Urban areas Urban environments Urbanization Vegetation Water quality |
| title | Benthic Diatom Communities in Urban Streams and the Role of Riparian Buffers |
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