Total and arbuscular mycorrhizal fungal communities in the first 3years after the collapse of the Fundão Dam: are we on the ecosystem recovery pathway?
After the collapse of Fundão Dam in Mariana‐MG, Brazil, the discharge of iron ore mining waste into the Doce River watershed negatively impacted the landscape. Monitoring the composition and species richness of soil microbiota may be useful bioindicators of ecosystem recovery. This study aimed to co...
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Veröffentlicht in: | Restoration ecology 2023-09, Vol.31 (7) |
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creator | Isabelle Gonçalves Oliveira de Prado Tomás Gomes Reis Veloso José Maria Rodrigues da Luz Marliane de Cássia Soares da Silva Danielle Gonçalves Oliveira de Prado Parsons, William F J Khasa, Damase P Maria Catarina Megumi Kasuya |
description | After the collapse of Fundão Dam in Mariana‐MG, Brazil, the discharge of iron ore mining waste into the Doce River watershed negatively impacted the landscape. Monitoring the composition and species richness of soil microbiota may be useful bioindicators of ecosystem recovery. This study aimed to compare soil chemical properties, total fungal species, and arbuscular mycorrhizal fungi (AMF) in sites unaffected and affected by mining tailings in the first 3 years after the collapse of Fundão Dam. Soil and root samples were collected in dry and rainy seasons over 3 years in unaffected (adjacent forest and pasture) and affected areas (REC1, REC2, and PASTrec) by mine tailings. Changes in soil chemical properties over the sampling period were measured by routine chemical analyses. Total fungi in the soil was determined by high‐throughput sequencing. AMF community was evaluated using spore number, root colonization, and denaturing gradient gel electrophoresis. Affected sites had higher ranges of pH and lower soil organic matter than unaffected sites. Revegetation had a positive effect on soil fungal community. Increased similarity in AMF DGGE analysis was observed in the two sampling sites over time. A high similarity of total fungi and AMF was observed between REC and pasture areas, suggesting that revegetation strategy employed may be heading towards a pasture condition. Thus, post‐disturbance analysis of this study was important to evaluate of ecosystem recovery affected by the rupture of iron ore mining dam and demonstrated that the soil microbiota was a sensitive bioindicator in this long path of ecosystem recovery. |
doi_str_mv | 10.1111/rec.13954 |
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Monitoring the composition and species richness of soil microbiota may be useful bioindicators of ecosystem recovery. This study aimed to compare soil chemical properties, total fungal species, and arbuscular mycorrhizal fungi (AMF) in sites unaffected and affected by mining tailings in the first 3 years after the collapse of Fundão Dam. Soil and root samples were collected in dry and rainy seasons over 3 years in unaffected (adjacent forest and pasture) and affected areas (REC1, REC2, and PASTrec) by mine tailings. Changes in soil chemical properties over the sampling period were measured by routine chemical analyses. Total fungi in the soil was determined by high‐throughput sequencing. AMF community was evaluated using spore number, root colonization, and denaturing gradient gel electrophoresis. Affected sites had higher ranges of pH and lower soil organic matter than unaffected sites. Revegetation had a positive effect on soil fungal community. Increased similarity in AMF DGGE analysis was observed in the two sampling sites over time. A high similarity of total fungi and AMF was observed between REC and pasture areas, suggesting that revegetation strategy employed may be heading towards a pasture condition. Thus, post‐disturbance analysis of this study was important to evaluate of ecosystem recovery affected by the rupture of iron ore mining dam and demonstrated that the soil microbiota was a sensitive bioindicator in this long path of ecosystem recovery.</description><identifier>ISSN: 1061-2971</identifier><identifier>EISSN: 1526-100X</identifier><identifier>DOI: 10.1111/rec.13954</identifier><language>eng</language><publisher>Oxford: Blackwell Publishing Ltd</publisher><subject>Analytical methods ; Arbuscular mycorrhizas ; Bioindicators ; Biomonitoring ; Chemical analysis ; Chemical properties ; Chemicophysical properties ; Collapse ; Colonization ; Ecosystem recovery ; Ecosystems ; Electrophoresis ; Fungi ; Gel electrophoresis ; Gels ; Indicator species ; Iron ; Iron compounds ; Iron ores ; Microbiota ; Microorganisms ; Mine tailings ; Mine wastes ; Mining ; Organic matter ; Organic soils ; Pasture ; Rainy season ; Recovery ; Revegetation ; Sampling ; Sequences ; Similarity ; Soil ; Soil chemistry ; Soil microorganisms ; Soil organic matter ; Soil properties ; Soils ; Species richness ; Spores ; Tailings ; Watersheds ; Wet season</subject><ispartof>Restoration ecology, 2023-09, Vol.31 (7)</ispartof><rights>2023 Society for Ecological Restoration</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Isabelle Gonçalves Oliveira de Prado</creatorcontrib><creatorcontrib>Tomás Gomes Reis Veloso</creatorcontrib><creatorcontrib>José Maria Rodrigues da Luz</creatorcontrib><creatorcontrib>Marliane de Cássia Soares da Silva</creatorcontrib><creatorcontrib>Danielle Gonçalves Oliveira de Prado</creatorcontrib><creatorcontrib>Parsons, William F J</creatorcontrib><creatorcontrib>Khasa, Damase P</creatorcontrib><creatorcontrib>Maria Catarina Megumi Kasuya</creatorcontrib><title>Total and arbuscular mycorrhizal fungal communities in the first 3years after the collapse of the Fundão Dam: are we on the ecosystem recovery pathway?</title><title>Restoration ecology</title><description>After the collapse of Fundão Dam in Mariana‐MG, Brazil, the discharge of iron ore mining waste into the Doce River watershed negatively impacted the landscape. Monitoring the composition and species richness of soil microbiota may be useful bioindicators of ecosystem recovery. This study aimed to compare soil chemical properties, total fungal species, and arbuscular mycorrhizal fungi (AMF) in sites unaffected and affected by mining tailings in the first 3 years after the collapse of Fundão Dam. Soil and root samples were collected in dry and rainy seasons over 3 years in unaffected (adjacent forest and pasture) and affected areas (REC1, REC2, and PASTrec) by mine tailings. Changes in soil chemical properties over the sampling period were measured by routine chemical analyses. Total fungi in the soil was determined by high‐throughput sequencing. AMF community was evaluated using spore number, root colonization, and denaturing gradient gel electrophoresis. Affected sites had higher ranges of pH and lower soil organic matter than unaffected sites. Revegetation had a positive effect on soil fungal community. Increased similarity in AMF DGGE analysis was observed in the two sampling sites over time. A high similarity of total fungi and AMF was observed between REC and pasture areas, suggesting that revegetation strategy employed may be heading towards a pasture condition. Thus, post‐disturbance analysis of this study was important to evaluate of ecosystem recovery affected by the rupture of iron ore mining dam and demonstrated that the soil microbiota was a sensitive bioindicator in this long path of ecosystem recovery.</description><subject>Analytical methods</subject><subject>Arbuscular mycorrhizas</subject><subject>Bioindicators</subject><subject>Biomonitoring</subject><subject>Chemical analysis</subject><subject>Chemical properties</subject><subject>Chemicophysical properties</subject><subject>Collapse</subject><subject>Colonization</subject><subject>Ecosystem recovery</subject><subject>Ecosystems</subject><subject>Electrophoresis</subject><subject>Fungi</subject><subject>Gel electrophoresis</subject><subject>Gels</subject><subject>Indicator species</subject><subject>Iron</subject><subject>Iron compounds</subject><subject>Iron ores</subject><subject>Microbiota</subject><subject>Microorganisms</subject><subject>Mine tailings</subject><subject>Mine wastes</subject><subject>Mining</subject><subject>Organic matter</subject><subject>Organic soils</subject><subject>Pasture</subject><subject>Rainy season</subject><subject>Recovery</subject><subject>Revegetation</subject><subject>Sampling</subject><subject>Sequences</subject><subject>Similarity</subject><subject>Soil</subject><subject>Soil chemistry</subject><subject>Soil microorganisms</subject><subject>Soil organic matter</subject><subject>Soil properties</subject><subject>Soils</subject><subject>Species richness</subject><subject>Spores</subject><subject>Tailings</subject><subject>Watersheds</subject><subject>Wet season</subject><issn>1061-2971</issn><issn>1526-100X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqNjk1Ow0AMhUcIJMrPghtYYp0yk5CQsGEBVBygC3aVmTokVTJT7BmqcBL2HIWLMSocAG-e_T7r2UpdGD03qa6Y7NwUTXl9oGamzKvMaP18mHpdmSxvbsyxOhHZaG3Kui5m6nPpAw6Abg3IL1FsHJBhnKxn7vqPhNroXpNYP47R9aEngd5B6AjaniVAMRGyALaBeG9bPwy4FQLf7udFdOvvLw8PON6mIwS7hH4TyHqZJNAI6W__TjzBFkO3w-nuTB21OAid_-mpulw8Lu-fsi37t0gSVhsf2SW0yutK543Wuin-t_UDW19fpQ</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Isabelle Gonçalves Oliveira de Prado</creator><creator>Tomás Gomes Reis Veloso</creator><creator>José Maria Rodrigues da Luz</creator><creator>Marliane de Cássia Soares da Silva</creator><creator>Danielle Gonçalves Oliveira de Prado</creator><creator>Parsons, William F J</creator><creator>Khasa, Damase P</creator><creator>Maria Catarina Megumi Kasuya</creator><general>Blackwell Publishing Ltd</general><scope>7SN</scope><scope>7ST</scope><scope>7U6</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20230901</creationdate><title>Total and arbuscular mycorrhizal fungal communities in the first 3years after the collapse of the Fundão Dam: are we on the ecosystem recovery pathway?</title><author>Isabelle Gonçalves Oliveira de Prado ; Tomás Gomes Reis Veloso ; José Maria Rodrigues da Luz ; Marliane de Cássia Soares da Silva ; Danielle Gonçalves Oliveira de Prado ; Parsons, William F J ; Khasa, Damase P ; Maria Catarina Megumi Kasuya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_28602900093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Analytical methods</topic><topic>Arbuscular mycorrhizas</topic><topic>Bioindicators</topic><topic>Biomonitoring</topic><topic>Chemical analysis</topic><topic>Chemical properties</topic><topic>Chemicophysical properties</topic><topic>Collapse</topic><topic>Colonization</topic><topic>Ecosystem recovery</topic><topic>Ecosystems</topic><topic>Electrophoresis</topic><topic>Fungi</topic><topic>Gel electrophoresis</topic><topic>Gels</topic><topic>Indicator species</topic><topic>Iron</topic><topic>Iron compounds</topic><topic>Iron ores</topic><topic>Microbiota</topic><topic>Microorganisms</topic><topic>Mine tailings</topic><topic>Mine wastes</topic><topic>Mining</topic><topic>Organic matter</topic><topic>Organic soils</topic><topic>Pasture</topic><topic>Rainy season</topic><topic>Recovery</topic><topic>Revegetation</topic><topic>Sampling</topic><topic>Sequences</topic><topic>Similarity</topic><topic>Soil</topic><topic>Soil chemistry</topic><topic>Soil microorganisms</topic><topic>Soil organic matter</topic><topic>Soil properties</topic><topic>Soils</topic><topic>Species richness</topic><topic>Spores</topic><topic>Tailings</topic><topic>Watersheds</topic><topic>Wet season</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Isabelle Gonçalves Oliveira de Prado</creatorcontrib><creatorcontrib>Tomás Gomes Reis Veloso</creatorcontrib><creatorcontrib>José Maria Rodrigues da Luz</creatorcontrib><creatorcontrib>Marliane de Cássia Soares da Silva</creatorcontrib><creatorcontrib>Danielle Gonçalves Oliveira de Prado</creatorcontrib><creatorcontrib>Parsons, William F J</creatorcontrib><creatorcontrib>Khasa, Damase P</creatorcontrib><creatorcontrib>Maria Catarina Megumi Kasuya</creatorcontrib><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</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) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Restoration ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Isabelle Gonçalves Oliveira de Prado</au><au>Tomás Gomes Reis Veloso</au><au>José Maria Rodrigues da Luz</au><au>Marliane de Cássia Soares da Silva</au><au>Danielle Gonçalves Oliveira de Prado</au><au>Parsons, William F J</au><au>Khasa, Damase P</au><au>Maria Catarina Megumi Kasuya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Total and arbuscular mycorrhizal fungal communities in the first 3years after the collapse of the Fundão Dam: are we on the ecosystem recovery pathway?</atitle><jtitle>Restoration ecology</jtitle><date>2023-09-01</date><risdate>2023</risdate><volume>31</volume><issue>7</issue><issn>1061-2971</issn><eissn>1526-100X</eissn><abstract>After the collapse of Fundão Dam in Mariana‐MG, Brazil, the discharge of iron ore mining waste into the Doce River watershed negatively impacted the landscape. Monitoring the composition and species richness of soil microbiota may be useful bioindicators of ecosystem recovery. This study aimed to compare soil chemical properties, total fungal species, and arbuscular mycorrhizal fungi (AMF) in sites unaffected and affected by mining tailings in the first 3 years after the collapse of Fundão Dam. Soil and root samples were collected in dry and rainy seasons over 3 years in unaffected (adjacent forest and pasture) and affected areas (REC1, REC2, and PASTrec) by mine tailings. Changes in soil chemical properties over the sampling period were measured by routine chemical analyses. Total fungi in the soil was determined by high‐throughput sequencing. AMF community was evaluated using spore number, root colonization, and denaturing gradient gel electrophoresis. Affected sites had higher ranges of pH and lower soil organic matter than unaffected sites. Revegetation had a positive effect on soil fungal community. Increased similarity in AMF DGGE analysis was observed in the two sampling sites over time. A high similarity of total fungi and AMF was observed between REC and pasture areas, suggesting that revegetation strategy employed may be heading towards a pasture condition. Thus, post‐disturbance analysis of this study was important to evaluate of ecosystem recovery affected by the rupture of iron ore mining dam and demonstrated that the soil microbiota was a sensitive bioindicator in this long path of ecosystem recovery.</abstract><cop>Oxford</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/rec.13954</doi></addata></record> |
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subjects | Analytical methods Arbuscular mycorrhizas Bioindicators Biomonitoring Chemical analysis Chemical properties Chemicophysical properties Collapse Colonization Ecosystem recovery Ecosystems Electrophoresis Fungi Gel electrophoresis Gels Indicator species Iron Iron compounds Iron ores Microbiota Microorganisms Mine tailings Mine wastes Mining Organic matter Organic soils Pasture Rainy season Recovery Revegetation Sampling Sequences Similarity Soil Soil chemistry Soil microorganisms Soil organic matter Soil properties Soils Species richness Spores Tailings Watersheds Wet season |
title | Total and arbuscular mycorrhizal fungal communities in the first 3years after the collapse of the Fundão Dam: are we on the ecosystem recovery pathway? |
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