Microbial removal and plant uptake of nitrogen in constructed wetlands: mesocosm tests on influencing factors
Macrophytes and bacteria are key drivers of nitrogen removal in constructed wetlands. Through mesocosm experiments with vegetated submerged beds and free water surface wetlands in various operational modes, wetland configurations, and system layouts, this study developed empirical models for non-des...
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| Veröffentlicht in: | Environmental science and pollution research international 2018-12, Vol.25 (36), p.36425-36437 |
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| description | Macrophytes and bacteria are key drivers of nitrogen removal in constructed wetlands. Through mesocosm experiments with vegetated submerged beds and free water surface wetlands in various operational modes, wetland configurations, and system layouts, this study developed empirical models for non-destructive estimation of plant biomass growth and associated nitrogen assimilation and explored the combined effects of multiple factors that influence microbial nitrogen removal. The above-ground biomass of individual plants was a power function of plant height for both
Cyperus alternifolius
and
Typha angustifolia
. Below- to above-ground biomass ratio was 0.38 for
C. alternifolius
and 2.73 for
T. angustifolia
. Because of greater tolerance to ammonia stress,
C. alternifolius
and
C. papyrus
grew faster than
T. angustifolia
. There were no significant effects of wetland type, vegetation, and plant species on microbial nitrogen removal. Microbial nitrogen removal was inhibited by free ammonia at 13.3–16.2 mg N/L. Denitrification and anammox were suppressed at dissolved oxygen greater than 1.9 mg/L. Microbial removal of ammonia in vegetated submerged beds was sensitive mainly to dissolved oxygen, pH, and influent ammonia concentration, while in free water surface wetlands, it was sensitive to influent ammonia concentration, pH, and temperature. |
| doi_str_mv | 10.1007/s11356-018-3543-4 |
| format | Article |
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Cyperus alternifolius
and
Typha angustifolia
. Below- to above-ground biomass ratio was 0.38 for
C. alternifolius
and 2.73 for
T. angustifolia
. Because of greater tolerance to ammonia stress,
C. alternifolius
and
C. papyrus
grew faster than
T. angustifolia
. There were no significant effects of wetland type, vegetation, and plant species on microbial nitrogen removal. Microbial nitrogen removal was inhibited by free ammonia at 13.3–16.2 mg N/L. Denitrification and anammox were suppressed at dissolved oxygen greater than 1.9 mg/L. Microbial removal of ammonia in vegetated submerged beds was sensitive mainly to dissolved oxygen, pH, and influent ammonia concentration, while in free water surface wetlands, it was sensitive to influent ammonia concentration, pH, and temperature.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-018-3543-4</identifier><identifier>PMID: 30368712</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Ammonia ; Aquatic plants ; Aquatic Pollution ; Artificial wetlands ; Atmospheric Protection/Air Quality Control/Air Pollution ; Biomass ; Denitrification ; Dissolved oxygen ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Macrophytes ; Microorganisms ; Nitrogen ; Nitrogen removal ; pH effects ; Plant biomass ; Plant species ; Plants (botany) ; Power plants ; Research Article ; Submerged beds ; Waste Water Technology ; Water Management ; Water Pollution Control ; Wetlands</subject><ispartof>Environmental science and pollution research international, 2018-12, Vol.25 (36), p.36425-36437</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>Environmental Science and Pollution Research is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-a9461daa08f36e332ae74b7ef8a2b0ed51a43592f3d202d94f4045618c26c1e13</citedby><cites>FETCH-LOGICAL-c409t-a9461daa08f36e332ae74b7ef8a2b0ed51a43592f3d202d94f4045618c26c1e13</cites><orcidid>0000-0003-3893-1313</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-018-3543-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-018-3543-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30368712$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tao, Wendong</creatorcontrib><title>Microbial removal and plant uptake of nitrogen in constructed wetlands: mesocosm tests on influencing factors</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Macrophytes and bacteria are key drivers of nitrogen removal in constructed wetlands. Through mesocosm experiments with vegetated submerged beds and free water surface wetlands in various operational modes, wetland configurations, and system layouts, this study developed empirical models for non-destructive estimation of plant biomass growth and associated nitrogen assimilation and explored the combined effects of multiple factors that influence microbial nitrogen removal. The above-ground biomass of individual plants was a power function of plant height for both
Cyperus alternifolius
and
Typha angustifolia
. Below- to above-ground biomass ratio was 0.38 for
C. alternifolius
and 2.73 for
T. angustifolia
. Because of greater tolerance to ammonia stress,
C. alternifolius
and
C. papyrus
grew faster than
T. angustifolia
. There were no significant effects of wetland type, vegetation, and plant species on microbial nitrogen removal. Microbial nitrogen removal was inhibited by free ammonia at 13.3–16.2 mg N/L. Denitrification and anammox were suppressed at dissolved oxygen greater than 1.9 mg/L. Microbial removal of ammonia in vegetated submerged beds was sensitive mainly to dissolved oxygen, pH, and influent ammonia concentration, while in free water surface wetlands, it was sensitive to influent ammonia concentration, pH, and temperature.</description><subject>Ammonia</subject><subject>Aquatic plants</subject><subject>Aquatic Pollution</subject><subject>Artificial wetlands</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Biomass</subject><subject>Denitrification</subject><subject>Dissolved oxygen</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Macrophytes</subject><subject>Microorganisms</subject><subject>Nitrogen</subject><subject>Nitrogen removal</subject><subject>pH effects</subject><subject>Plant biomass</subject><subject>Plant species</subject><subject>Plants (botany)</subject><subject>Power plants</subject><subject>Research Article</subject><subject>Submerged beds</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tao, Wendong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbial removal and plant uptake of nitrogen in constructed wetlands: mesocosm tests on influencing factors</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2018-12-01</date><risdate>2018</risdate><volume>25</volume><issue>36</issue><spage>36425</spage><epage>36437</epage><pages>36425-36437</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Macrophytes and bacteria are key drivers of nitrogen removal in constructed wetlands. Through mesocosm experiments with vegetated submerged beds and free water surface wetlands in various operational modes, wetland configurations, and system layouts, this study developed empirical models for non-destructive estimation of plant biomass growth and associated nitrogen assimilation and explored the combined effects of multiple factors that influence microbial nitrogen removal. The above-ground biomass of individual plants was a power function of plant height for both
Cyperus alternifolius
and
Typha angustifolia
. Below- to above-ground biomass ratio was 0.38 for
C. alternifolius
and 2.73 for
T. angustifolia
. Because of greater tolerance to ammonia stress,
C. alternifolius
and
C. papyrus
grew faster than
T. angustifolia
. There were no significant effects of wetland type, vegetation, and plant species on microbial nitrogen removal. Microbial nitrogen removal was inhibited by free ammonia at 13.3–16.2 mg N/L. Denitrification and anammox were suppressed at dissolved oxygen greater than 1.9 mg/L. Microbial removal of ammonia in vegetated submerged beds was sensitive mainly to dissolved oxygen, pH, and influent ammonia concentration, while in free water surface wetlands, it was sensitive to influent ammonia concentration, pH, and temperature.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30368712</pmid><doi>10.1007/s11356-018-3543-4</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0003-3893-1313</orcidid></addata></record> |
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| ispartof | Environmental science and pollution research international, 2018-12, Vol.25 (36), p.36425-36437 |
| issn | 0944-1344 1614-7499 |
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| source | SpringerLink Journals |
| subjects | Ammonia Aquatic plants Aquatic Pollution Artificial wetlands Atmospheric Protection/Air Quality Control/Air Pollution Biomass Denitrification Dissolved oxygen Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Macrophytes Microorganisms Nitrogen Nitrogen removal pH effects Plant biomass Plant species Plants (botany) Power plants Research Article Submerged beds Waste Water Technology Water Management Water Pollution Control Wetlands |
| title | Microbial removal and plant uptake of nitrogen in constructed wetlands: mesocosm tests on influencing factors |
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