Warming overrides eutrophication effects on leaf litter decomposition in stream microcosms
Several human activities often result in increased nitrogen (N) and phosphorus (P) inputs to running waters through runoff. Although headwater streams are less frequently affected by these inputs than downstream reaches, the joint effects of moderate eutrophication and global warming can affect the...
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Veröffentlicht in: | Environmental pollution (1987) 2023-09, Vol.332, p.121966-121966, Article 121966 |
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creator | Pérez, Javier Cornejo, Aydeé Alonso, Alberto Guerra, Alisson García, Gabriela Nieto, Carlos Correa-Araneda, Francisco Rojo, Diana Boyero, Luz |
description | Several human activities often result in increased nitrogen (N) and phosphorus (P) inputs to running waters through runoff. Although headwater streams are less frequently affected by these inputs than downstream reaches, the joint effects of moderate eutrophication and global warming can affect the functioning of these ecosystems, which represent two thirds of total river length and thus are of major global relevance. In a microcosm study representing streams from a temperate area (northern Spain), we assessed the combined effects of increased water temperature (10.0, 12.5, and 15.0 °C) and nutrient enrichment (control, high N, high P, and high N + P concentrations) on the key process of leaf litter decomposition (mediated by microorganisms and detritivores) and associated changes in different biological compartments (leaf litter, aquatic hyphomycetes and detritivores). While warming consistently enhanced decomposition rates and associated variables (leaf litter microbial conditioning, aquatic hyphomycete sporulation rate and taxon richness, and detritivore growth and nutrient contents), effects of eutrophication were weaker and more variable: P addition inhibited decomposition, addition of N + P promoted leaf litter conditioning, and detritivore stoichiometry was affected by the addition of both nutrients separately or together. In only a few cases (variables related to detritivore performance, but not microbial performance or leaf litter decomposition) we found interactions between warming and eutrophication, which contrasts with other experiments reporting synergistic effects. Our results suggest that both stressors can importantly alter the functioning of stream ecosystems even when occurring in isolation, although non-additive effects should not be neglected and might require exploring an array of ecosystem processes (not just leaf litter decomposition) in order to be detected.
[Display omitted]
•We examined the joint effects of warming and eutrophication on key stream processes.•Warming consistently enhanced leaf litter decomposition rates and related variables.•Eutrophication had weaker and more variable effects on different processes.•The interaction of both stressors mostly affected detritivore performance.•Considering multiple processes is recommended to detect multi-stressor impacts. |
doi_str_mv | 10.1016/j.envpol.2023.121966 |
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[Display omitted]
•We examined the joint effects of warming and eutrophication on key stream processes.•Warming consistently enhanced leaf litter decomposition rates and related variables.•Eutrophication had weaker and more variable effects on different processes.•The interaction of both stressors mostly affected detritivore performance.•Considering multiple processes is recommended to detect multi-stressor impacts.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2023.121966</identifier><identifier>PMID: 37290635</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Alnus glutinosa ; Aquatic Hyphomycetes ; Detritivores ; Nitrogen and Phosphrus ; Nutrient enrichment ; Temperature increase</subject><ispartof>Environmental pollution (1987), 2023-09, Vol.332, p.121966-121966, Article 121966</ispartof><rights>2023 The Authors</rights><rights>Copyright © 2023. Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-c55ded9644eaa3f05eda7db79f681149e118e795c76ade9734b769a5745a8ac13</citedby><cites>FETCH-LOGICAL-c408t-c55ded9644eaa3f05eda7db79f681149e118e795c76ade9734b769a5745a8ac13</cites><orcidid>0000-0001-6789-5847 ; 0000-0001-7366-9299 ; 0000-0001-6305-4151 ; 0000-0002-6357-2693 ; 0000-0002-8324-5737 ; 0009-0006-9856-8121</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.envpol.2023.121966$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37290635$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pérez, Javier</creatorcontrib><creatorcontrib>Cornejo, Aydeé</creatorcontrib><creatorcontrib>Alonso, Alberto</creatorcontrib><creatorcontrib>Guerra, Alisson</creatorcontrib><creatorcontrib>García, Gabriela</creatorcontrib><creatorcontrib>Nieto, Carlos</creatorcontrib><creatorcontrib>Correa-Araneda, Francisco</creatorcontrib><creatorcontrib>Rojo, Diana</creatorcontrib><creatorcontrib>Boyero, Luz</creatorcontrib><title>Warming overrides eutrophication effects on leaf litter decomposition in stream microcosms</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Several human activities often result in increased nitrogen (N) and phosphorus (P) inputs to running waters through runoff. Although headwater streams are less frequently affected by these inputs than downstream reaches, the joint effects of moderate eutrophication and global warming can affect the functioning of these ecosystems, which represent two thirds of total river length and thus are of major global relevance. In a microcosm study representing streams from a temperate area (northern Spain), we assessed the combined effects of increased water temperature (10.0, 12.5, and 15.0 °C) and nutrient enrichment (control, high N, high P, and high N + P concentrations) on the key process of leaf litter decomposition (mediated by microorganisms and detritivores) and associated changes in different biological compartments (leaf litter, aquatic hyphomycetes and detritivores). While warming consistently enhanced decomposition rates and associated variables (leaf litter microbial conditioning, aquatic hyphomycete sporulation rate and taxon richness, and detritivore growth and nutrient contents), effects of eutrophication were weaker and more variable: P addition inhibited decomposition, addition of N + P promoted leaf litter conditioning, and detritivore stoichiometry was affected by the addition of both nutrients separately or together. In only a few cases (variables related to detritivore performance, but not microbial performance or leaf litter decomposition) we found interactions between warming and eutrophication, which contrasts with other experiments reporting synergistic effects. Our results suggest that both stressors can importantly alter the functioning of stream ecosystems even when occurring in isolation, although non-additive effects should not be neglected and might require exploring an array of ecosystem processes (not just leaf litter decomposition) in order to be detected.
[Display omitted]
•We examined the joint effects of warming and eutrophication on key stream processes.•Warming consistently enhanced leaf litter decomposition rates and related variables.•Eutrophication had weaker and more variable effects on different processes.•The interaction of both stressors mostly affected detritivore performance.•Considering multiple processes is recommended to detect multi-stressor impacts.</description><subject>Alnus glutinosa</subject><subject>Aquatic Hyphomycetes</subject><subject>Detritivores</subject><subject>Nitrogen and Phosphrus</subject><subject>Nutrient enrichment</subject><subject>Temperature increase</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAUhoMozjj6BiJdumlNmjRpNoIM3mDAjSK4CZnkVDO0TU3aAd_ejh1dujpn8f3n8iF0TnBGMOFXmwzabefrLMc5zUhOJOcHaE5KQVPOcnaI5jjnMhVMkhk6iXGDMWaU0mM0oyKXmNNijt5edWhc-574LYTgLMQEhj747sMZ3TvfJlBVYPqYjG0Nukpq1_cQEgvGN52P7gdybRL7ALpJGmeCNz428RQdVbqOcLavC_Ryd_u8fEhXT_ePy5tVahgu-9QUhQUrOWOgNa1wAVYLuxay4iUhTAIhJQhZGMG1BSkoWwsudSFYoUttCF2gy2luF_znALFXjYsG6lq34Ieo8jJnXDJR8hFlEzreGGOASnXBNTp8KYLVzqraqMmq2llVk9UxdrHfMKwbsH-hX40jcD0BMP65dRBUNA5aA9aFUZ6y3v2_4Ru3noyO</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Pérez, Javier</creator><creator>Cornejo, Aydeé</creator><creator>Alonso, Alberto</creator><creator>Guerra, Alisson</creator><creator>García, Gabriela</creator><creator>Nieto, Carlos</creator><creator>Correa-Araneda, Francisco</creator><creator>Rojo, Diana</creator><creator>Boyero, Luz</creator><general>Elsevier Ltd</general><scope>6I.</scope><scope>AAFTH</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6789-5847</orcidid><orcidid>https://orcid.org/0000-0001-7366-9299</orcidid><orcidid>https://orcid.org/0000-0001-6305-4151</orcidid><orcidid>https://orcid.org/0000-0002-6357-2693</orcidid><orcidid>https://orcid.org/0000-0002-8324-5737</orcidid><orcidid>https://orcid.org/0009-0006-9856-8121</orcidid></search><sort><creationdate>20230901</creationdate><title>Warming overrides eutrophication effects on leaf litter decomposition in stream microcosms</title><author>Pérez, Javier ; Cornejo, Aydeé ; Alonso, Alberto ; Guerra, Alisson ; García, Gabriela ; Nieto, Carlos ; Correa-Araneda, Francisco ; Rojo, Diana ; Boyero, Luz</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-c55ded9644eaa3f05eda7db79f681149e118e795c76ade9734b769a5745a8ac13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Alnus glutinosa</topic><topic>Aquatic Hyphomycetes</topic><topic>Detritivores</topic><topic>Nitrogen and Phosphrus</topic><topic>Nutrient enrichment</topic><topic>Temperature increase</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pérez, Javier</creatorcontrib><creatorcontrib>Cornejo, Aydeé</creatorcontrib><creatorcontrib>Alonso, Alberto</creatorcontrib><creatorcontrib>Guerra, Alisson</creatorcontrib><creatorcontrib>García, Gabriela</creatorcontrib><creatorcontrib>Nieto, Carlos</creatorcontrib><creatorcontrib>Correa-Araneda, Francisco</creatorcontrib><creatorcontrib>Rojo, Diana</creatorcontrib><creatorcontrib>Boyero, Luz</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pérez, Javier</au><au>Cornejo, Aydeé</au><au>Alonso, Alberto</au><au>Guerra, Alisson</au><au>García, Gabriela</au><au>Nieto, Carlos</au><au>Correa-Araneda, Francisco</au><au>Rojo, Diana</au><au>Boyero, Luz</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Warming overrides eutrophication effects on leaf litter decomposition in stream microcosms</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2023-09-01</date><risdate>2023</risdate><volume>332</volume><spage>121966</spage><epage>121966</epage><pages>121966-121966</pages><artnum>121966</artnum><issn>0269-7491</issn><eissn>1873-6424</eissn><abstract>Several human activities often result in increased nitrogen (N) and phosphorus (P) inputs to running waters through runoff. Although headwater streams are less frequently affected by these inputs than downstream reaches, the joint effects of moderate eutrophication and global warming can affect the functioning of these ecosystems, which represent two thirds of total river length and thus are of major global relevance. In a microcosm study representing streams from a temperate area (northern Spain), we assessed the combined effects of increased water temperature (10.0, 12.5, and 15.0 °C) and nutrient enrichment (control, high N, high P, and high N + P concentrations) on the key process of leaf litter decomposition (mediated by microorganisms and detritivores) and associated changes in different biological compartments (leaf litter, aquatic hyphomycetes and detritivores). While warming consistently enhanced decomposition rates and associated variables (leaf litter microbial conditioning, aquatic hyphomycete sporulation rate and taxon richness, and detritivore growth and nutrient contents), effects of eutrophication were weaker and more variable: P addition inhibited decomposition, addition of N + P promoted leaf litter conditioning, and detritivore stoichiometry was affected by the addition of both nutrients separately or together. In only a few cases (variables related to detritivore performance, but not microbial performance or leaf litter decomposition) we found interactions between warming and eutrophication, which contrasts with other experiments reporting synergistic effects. Our results suggest that both stressors can importantly alter the functioning of stream ecosystems even when occurring in isolation, although non-additive effects should not be neglected and might require exploring an array of ecosystem processes (not just leaf litter decomposition) in order to be detected.
[Display omitted]
•We examined the joint effects of warming and eutrophication on key stream processes.•Warming consistently enhanced leaf litter decomposition rates and related variables.•Eutrophication had weaker and more variable effects on different processes.•The interaction of both stressors mostly affected detritivore performance.•Considering multiple processes is recommended to detect multi-stressor impacts.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>37290635</pmid><doi>10.1016/j.envpol.2023.121966</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-6789-5847</orcidid><orcidid>https://orcid.org/0000-0001-7366-9299</orcidid><orcidid>https://orcid.org/0000-0001-6305-4151</orcidid><orcidid>https://orcid.org/0000-0002-6357-2693</orcidid><orcidid>https://orcid.org/0000-0002-8324-5737</orcidid><orcidid>https://orcid.org/0009-0006-9856-8121</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Alnus glutinosa Aquatic Hyphomycetes Detritivores Nitrogen and Phosphrus Nutrient enrichment Temperature increase |
title | Warming overrides eutrophication effects on leaf litter decomposition in stream microcosms |
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