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Nutrient stream attenuation is altered by the duration and frequency of flow intermittency
River flow intermittency affects physical and biological processes in lotic ecosystems, including nutrient attenuation and therefore water purification. We investigated the effect of river flow intermittency, including its duration and occurrence frequency, on the attenuation of dissolved inorganic...
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| Published in: | Ecohydrology 2022-07, Vol.15 (5), p.n/a |
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| creator | Saltarelli, Wesley Aparecido Cunha, Davi Gasparini Fernandes Freixa, Anna Perujo, Núria López‐Doval, Julio C. Acuña, Vicenç Sabater, Sergi |
| description | River flow intermittency affects physical and biological processes in lotic ecosystems, including nutrient attenuation and therefore water purification. We investigated the effect of river flow intermittency, including its duration and occurrence frequency, on the attenuation of dissolved inorganic nitrogen (DIN) and soluble reactive phosphorus (P‐PO43−). The net balances of each nutrient form were assessed in artificial streams colonized by biofilms and exposed to six treatments resulting from the combination of two flow intermittency durations (28 or 56 days) and three intermittency frequencies (one, two or four interruption episodes). The respective influences on the nutrient balances were assessed one and eight days after flow resumption, with negative or positive balances indicating net consumption or production, respectively. The P‐PO43− balances ranged from −50.3 to −15.7 μg P‐PO43− h−1 m−2, while for the components of DIN, they varied between −135.6 and −7.3 μg N‐NH4+ h−1 m−2 (ammonium), −1.4 and 4.2 μg N‐NO2− h−1 m−2 (nitrite) and −39.1 and 18.6 μg N‐NO3− h−1 m−2 (nitrate). In general, longer non‐flow durations impaired nutrient attenuation. Overall, while each nutrient form showed specific patterns, our experiment indicated that (1) nutrient attenuation usually decreased with longer non‐flow durations, (2) attenuation generally recovered after frequent events of water flow resumption and when rewetting was longer and (3) longer desiccation periods seemed to persistently affect the biogeochemical responses regardless the number of times flow returned to the system. Our results highlight that more severe conditions (causing dehydration of the substrates and inhibition of biofilm activity) might strongly affect the biogeochemical functioning of temporary streams, with important management implications under accelerating global changes. |
| doi_str_mv | 10.1002/eco.2351 |
| format | article |
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We investigated the effect of river flow intermittency, including its duration and occurrence frequency, on the attenuation of dissolved inorganic nitrogen (DIN) and soluble reactive phosphorus (P‐PO43−). The net balances of each nutrient form were assessed in artificial streams colonized by biofilms and exposed to six treatments resulting from the combination of two flow intermittency durations (28 or 56 days) and three intermittency frequencies (one, two or four interruption episodes). The respective influences on the nutrient balances were assessed one and eight days after flow resumption, with negative or positive balances indicating net consumption or production, respectively. The P‐PO43− balances ranged from −50.3 to −15.7 μg P‐PO43− h−1 m−2, while for the components of DIN, they varied between −135.6 and −7.3 μg N‐NH4+ h−1 m−2 (ammonium), −1.4 and 4.2 μg N‐NO2− h−1 m−2 (nitrite) and −39.1 and 18.6 μg N‐NO3− h−1 m−2 (nitrate). In general, longer non‐flow durations impaired nutrient attenuation. Overall, while each nutrient form showed specific patterns, our experiment indicated that (1) nutrient attenuation usually decreased with longer non‐flow durations, (2) attenuation generally recovered after frequent events of water flow resumption and when rewetting was longer and (3) longer desiccation periods seemed to persistently affect the biogeochemical responses regardless the number of times flow returned to the system. Our results highlight that more severe conditions (causing dehydration of the substrates and inhibition of biofilm activity) might strongly affect the biogeochemical functioning of temporary streams, with important management implications under accelerating global changes.</description><identifier>ISSN: 1936-0584</identifier><identifier>EISSN: 1936-0592</identifier><identifier>DOI: 10.1002/eco.2351</identifier><language>eng</language><publisher>Oxford: Wiley Subscription Services, Inc</publisher><subject>Ammonium ; Ammonium compounds ; Attenuation ; Biofilms ; Biogeochemistry ; Biological activity ; Creeks & streams ; Dehydration ; Desiccation ; drought ; experimental stream channels ; hydrological extremes ; Intermittency ; Intermittent streams ; Microbalances ; nitrogen ; Nitrogen dioxide ; non‐flow ; Nutrient flow ; Phosphorus ; River flow ; Rivers ; Stream flow ; Streams ; Substrate inhibition ; Water flow ; Water purification</subject><ispartof>Ecohydrology, 2022-07, Vol.15 (5), p.n/a</ispartof><rights>2021 John Wiley & Sons, Ltd.</rights><rights>2022 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2931-507b1a0da9e56b97dd1dd986235dd4d4d422397b898cb861eba8a474d93240783</citedby><cites>FETCH-LOGICAL-c2931-507b1a0da9e56b97dd1dd986235dd4d4d422397b898cb861eba8a474d93240783</cites><orcidid>0000-0002-2072-9283 ; 0000-0002-0090-8532 ; 0000-0002-5138-2825 ; 0000-0003-1149-6526 ; 0000-0002-4485-6703 ; 0000-0003-1876-3623 ; 0000-0003-3730-0261</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,783,787,27936,27937</link.rule.ids></links><search><creatorcontrib>Saltarelli, Wesley Aparecido</creatorcontrib><creatorcontrib>Cunha, Davi Gasparini Fernandes</creatorcontrib><creatorcontrib>Freixa, Anna</creatorcontrib><creatorcontrib>Perujo, Núria</creatorcontrib><creatorcontrib>López‐Doval, Julio C.</creatorcontrib><creatorcontrib>Acuña, Vicenç</creatorcontrib><creatorcontrib>Sabater, Sergi</creatorcontrib><title>Nutrient stream attenuation is altered by the duration and frequency of flow intermittency</title><title>Ecohydrology</title><description>River flow intermittency affects physical and biological processes in lotic ecosystems, including nutrient attenuation and therefore water purification. We investigated the effect of river flow intermittency, including its duration and occurrence frequency, on the attenuation of dissolved inorganic nitrogen (DIN) and soluble reactive phosphorus (P‐PO43−). The net balances of each nutrient form were assessed in artificial streams colonized by biofilms and exposed to six treatments resulting from the combination of two flow intermittency durations (28 or 56 days) and three intermittency frequencies (one, two or four interruption episodes). The respective influences on the nutrient balances were assessed one and eight days after flow resumption, with negative or positive balances indicating net consumption or production, respectively. The P‐PO43− balances ranged from −50.3 to −15.7 μg P‐PO43− h−1 m−2, while for the components of DIN, they varied between −135.6 and −7.3 μg N‐NH4+ h−1 m−2 (ammonium), −1.4 and 4.2 μg N‐NO2− h−1 m−2 (nitrite) and −39.1 and 18.6 μg N‐NO3− h−1 m−2 (nitrate). In general, longer non‐flow durations impaired nutrient attenuation. Overall, while each nutrient form showed specific patterns, our experiment indicated that (1) nutrient attenuation usually decreased with longer non‐flow durations, (2) attenuation generally recovered after frequent events of water flow resumption and when rewetting was longer and (3) longer desiccation periods seemed to persistently affect the biogeochemical responses regardless the number of times flow returned to the system. Our results highlight that more severe conditions (causing dehydration of the substrates and inhibition of biofilm activity) might strongly affect the biogeochemical functioning of temporary streams, with important management implications under accelerating global changes.</description><subject>Ammonium</subject><subject>Ammonium compounds</subject><subject>Attenuation</subject><subject>Biofilms</subject><subject>Biogeochemistry</subject><subject>Biological activity</subject><subject>Creeks & streams</subject><subject>Dehydration</subject><subject>Desiccation</subject><subject>drought</subject><subject>experimental stream channels</subject><subject>hydrological extremes</subject><subject>Intermittency</subject><subject>Intermittent streams</subject><subject>Microbalances</subject><subject>nitrogen</subject><subject>Nitrogen dioxide</subject><subject>non‐flow</subject><subject>Nutrient flow</subject><subject>Phosphorus</subject><subject>River flow</subject><subject>Rivers</subject><subject>Stream flow</subject><subject>Streams</subject><subject>Substrate inhibition</subject><subject>Water flow</subject><subject>Water purification</subject><issn>1936-0584</issn><issn>1936-0592</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouK6CPyHgxUvXfLVNjrKsHyDuRS9eQtqkmKWbrEnK0n9vasWbzGEG5uGdd14ArjFaYYTInWn9itASn4AFFrQqUCnI6d_M2Tm4iHGHUIVZSRfg43VIwRqXYEzBqD1UKRk3qGS9gzZC1ScTjIbNCNOngXoI80o5Dbtgvgbj2hH6Dna9P0LrMr23k0Q7XoKzTvXRXP32JXh_2Lytn4qX7ePz-v6laImguChR3WCFtBKmrBpRa421FrzKT2jNpiKEirrhgrcNr7BpFFesZlpQwlDN6RLczLqH4LOfmOTOD8Hlk5JUgglGBEGZup2pNvgYg-nkIdi9CqPESE7JyZycnJLLaDGjR9ub8V9ObtbbH_4bactviA</recordid><startdate>202207</startdate><enddate>202207</enddate><creator>Saltarelli, Wesley Aparecido</creator><creator>Cunha, Davi Gasparini Fernandes</creator><creator>Freixa, Anna</creator><creator>Perujo, Núria</creator><creator>López‐Doval, Julio C.</creator><creator>Acuña, Vicenç</creator><creator>Sabater, Sergi</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>H97</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0002-2072-9283</orcidid><orcidid>https://orcid.org/0000-0002-0090-8532</orcidid><orcidid>https://orcid.org/0000-0002-5138-2825</orcidid><orcidid>https://orcid.org/0000-0003-1149-6526</orcidid><orcidid>https://orcid.org/0000-0002-4485-6703</orcidid><orcidid>https://orcid.org/0000-0003-1876-3623</orcidid><orcidid>https://orcid.org/0000-0003-3730-0261</orcidid></search><sort><creationdate>202207</creationdate><title>Nutrient stream attenuation is altered by the duration and frequency of flow intermittency</title><author>Saltarelli, Wesley Aparecido ; Cunha, Davi Gasparini Fernandes ; Freixa, Anna ; Perujo, Núria ; López‐Doval, Julio C. ; Acuña, Vicenç ; Sabater, Sergi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2931-507b1a0da9e56b97dd1dd986235dd4d4d422397b898cb861eba8a474d93240783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Ammonium</topic><topic>Ammonium compounds</topic><topic>Attenuation</topic><topic>Biofilms</topic><topic>Biogeochemistry</topic><topic>Biological activity</topic><topic>Creeks & streams</topic><topic>Dehydration</topic><topic>Desiccation</topic><topic>drought</topic><topic>experimental stream channels</topic><topic>hydrological extremes</topic><topic>Intermittency</topic><topic>Intermittent streams</topic><topic>Microbalances</topic><topic>nitrogen</topic><topic>Nitrogen dioxide</topic><topic>non‐flow</topic><topic>Nutrient flow</topic><topic>Phosphorus</topic><topic>River flow</topic><topic>Rivers</topic><topic>Stream flow</topic><topic>Streams</topic><topic>Substrate inhibition</topic><topic>Water flow</topic><topic>Water purification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saltarelli, Wesley Aparecido</creatorcontrib><creatorcontrib>Cunha, Davi Gasparini Fernandes</creatorcontrib><creatorcontrib>Freixa, Anna</creatorcontrib><creatorcontrib>Perujo, Núria</creatorcontrib><creatorcontrib>López‐Doval, Julio C.</creatorcontrib><creatorcontrib>Acuña, Vicenç</creatorcontrib><creatorcontrib>Sabater, Sergi</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Ecohydrology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saltarelli, Wesley Aparecido</au><au>Cunha, Davi Gasparini Fernandes</au><au>Freixa, Anna</au><au>Perujo, Núria</au><au>López‐Doval, Julio C.</au><au>Acuña, Vicenç</au><au>Sabater, Sergi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nutrient stream attenuation is altered by the duration and frequency of flow intermittency</atitle><jtitle>Ecohydrology</jtitle><date>2022-07</date><risdate>2022</risdate><volume>15</volume><issue>5</issue><epage>n/a</epage><issn>1936-0584</issn><eissn>1936-0592</eissn><abstract>River flow intermittency affects physical and biological processes in lotic ecosystems, including nutrient attenuation and therefore water purification. We investigated the effect of river flow intermittency, including its duration and occurrence frequency, on the attenuation of dissolved inorganic nitrogen (DIN) and soluble reactive phosphorus (P‐PO43−). The net balances of each nutrient form were assessed in artificial streams colonized by biofilms and exposed to six treatments resulting from the combination of two flow intermittency durations (28 or 56 days) and three intermittency frequencies (one, two or four interruption episodes). The respective influences on the nutrient balances were assessed one and eight days after flow resumption, with negative or positive balances indicating net consumption or production, respectively. The P‐PO43− balances ranged from −50.3 to −15.7 μg P‐PO43− h−1 m−2, while for the components of DIN, they varied between −135.6 and −7.3 μg N‐NH4+ h−1 m−2 (ammonium), −1.4 and 4.2 μg N‐NO2− h−1 m−2 (nitrite) and −39.1 and 18.6 μg N‐NO3− h−1 m−2 (nitrate). In general, longer non‐flow durations impaired nutrient attenuation. Overall, while each nutrient form showed specific patterns, our experiment indicated that (1) nutrient attenuation usually decreased with longer non‐flow durations, (2) attenuation generally recovered after frequent events of water flow resumption and when rewetting was longer and (3) longer desiccation periods seemed to persistently affect the biogeochemical responses regardless the number of times flow returned to the system. Our results highlight that more severe conditions (causing dehydration of the substrates and inhibition of biofilm activity) might strongly affect the biogeochemical functioning of temporary streams, with important management implications under accelerating global changes.</abstract><cop>Oxford</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/eco.2351</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-2072-9283</orcidid><orcidid>https://orcid.org/0000-0002-0090-8532</orcidid><orcidid>https://orcid.org/0000-0002-5138-2825</orcidid><orcidid>https://orcid.org/0000-0003-1149-6526</orcidid><orcidid>https://orcid.org/0000-0002-4485-6703</orcidid><orcidid>https://orcid.org/0000-0003-1876-3623</orcidid><orcidid>https://orcid.org/0000-0003-3730-0261</orcidid></addata></record> |
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| identifier | ISSN: 1936-0584 |
| ispartof | Ecohydrology, 2022-07, Vol.15 (5), p.n/a |
| issn | 1936-0584 1936-0592 |
| language | eng |
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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Ammonium Ammonium compounds Attenuation Biofilms Biogeochemistry Biological activity Creeks & streams Dehydration Desiccation drought experimental stream channels hydrological extremes Intermittency Intermittent streams Microbalances nitrogen Nitrogen dioxide non‐flow Nutrient flow Phosphorus River flow Rivers Stream flow Streams Substrate inhibition Water flow Water purification |
| title | Nutrient stream attenuation is altered by the duration and frequency of flow intermittency |
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