Risk Assessment of Mining Environmental Liabilities for Their Categorization and Prioritization in Gold-Mining Areas of Ecuador
Mining environmental liabilities (MEL) are of great concern because of potential risks to ecosystems and human health. In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 ME...
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Veröffentlicht in: | Sustainability 2022-05, Vol.14 (10), p.6089 |
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creator | Salgado-Almeida, Bryan Falquez-Torres, Daniel A. Romero-Crespo, Paola L. Valverde-Armas, Priscila E. Guzmán-Martínez, Fredy Jiménez-Oyola, Samantha |
description | Mining environmental liabilities (MEL) are of great concern because of potential risks to ecosystems and human health. In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 MEL including landfills, mining galleries, tailing deposits, and mineral processing plants from Macuchi, Tenguel–Ponce Enriquez, and Puyango mining areas, were analyzed. The risk assessment related to the presence of waste deposits was carried out based on the methodology proposed by the Spanish Geological Survey. Moreover, the procedure outlined in the Environmental Risk Assessment Guide of the Ministry of Environment of Peru for nonwaste deposits was applied. The highest RI values were identified in Puyango and Tenguel–Ponce Enriquez. Thus, they were both categorized as priority control areas requiring intervention and rehabilitation plans. The MEL that require a high level of intervention include waste deposits and mine entrances associated with potentially toxic elements. Moreover, the point risk maps showed that rivers in the studied areas have a potential pollution risk. This study provides risk levels associated with MEL in mining areas from Ecuador. This information could be used for environmental management and pollution mitigation. |
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In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 MEL including landfills, mining galleries, tailing deposits, and mineral processing plants from Macuchi, Tenguel–Ponce Enriquez, and Puyango mining areas, were analyzed. The risk assessment related to the presence of waste deposits was carried out based on the methodology proposed by the Spanish Geological Survey. Moreover, the procedure outlined in the Environmental Risk Assessment Guide of the Ministry of Environment of Peru for nonwaste deposits was applied. The highest RI values were identified in Puyango and Tenguel–Ponce Enriquez. Thus, they were both categorized as priority control areas requiring intervention and rehabilitation plans. The MEL that require a high level of intervention include waste deposits and mine entrances associated with potentially toxic elements. Moreover, the point risk maps showed that rivers in the studied areas have a potential pollution risk. This study provides risk levels associated with MEL in mining areas from Ecuador. This information could be used for environmental management and pollution mitigation.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su14106089</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Acid mine drainage ; Deposits ; Ecosystems ; Environmental assessment ; Environmental health ; Environmental liability ; Environmental management ; Environmental risk ; Geological surveys ; Geology ; Gold ; Gold mines & mining ; Landfills ; Mineral processing ; Mitigation ; Pollution ; Pollution control ; Population ; Rehabilitation ; Risk analysis ; Risk assessment ; Risk levels ; River ecology ; Sediments ; Sustainability ; Waste disposal sites</subject><ispartof>Sustainability, 2022-05, Vol.14 (10), p.6089</ispartof><rights>2022 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 (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c295t-2309d5fc18515de3435119ead75f1f9dd254e3afa01ebd887c36c21e46bf32993</citedby><cites>FETCH-LOGICAL-c295t-2309d5fc18515de3435119ead75f1f9dd254e3afa01ebd887c36c21e46bf32993</cites><orcidid>0000-0002-7211-1127 ; 0000-0003-2611-5749 ; 0000-0002-7188-8081 ; 0000-0002-3538-6754</orcidid></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>Salgado-Almeida, Bryan</creatorcontrib><creatorcontrib>Falquez-Torres, Daniel A.</creatorcontrib><creatorcontrib>Romero-Crespo, Paola L.</creatorcontrib><creatorcontrib>Valverde-Armas, Priscila E.</creatorcontrib><creatorcontrib>Guzmán-Martínez, Fredy</creatorcontrib><creatorcontrib>Jiménez-Oyola, Samantha</creatorcontrib><title>Risk Assessment of Mining Environmental Liabilities for Their Categorization and Prioritization in Gold-Mining Areas of Ecuador</title><title>Sustainability</title><description>Mining environmental liabilities (MEL) are of great concern because of potential risks to ecosystems and human health. In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 MEL including landfills, mining galleries, tailing deposits, and mineral processing plants from Macuchi, Tenguel–Ponce Enriquez, and Puyango mining areas, were analyzed. The risk assessment related to the presence of waste deposits was carried out based on the methodology proposed by the Spanish Geological Survey. Moreover, the procedure outlined in the Environmental Risk Assessment Guide of the Ministry of Environment of Peru for nonwaste deposits was applied. The highest RI values were identified in Puyango and Tenguel–Ponce Enriquez. Thus, they were both categorized as priority control areas requiring intervention and rehabilitation plans. The MEL that require a high level of intervention include waste deposits and mine entrances associated with potentially toxic elements. Moreover, the point risk maps showed that rivers in the studied areas have a potential pollution risk. This study provides risk levels associated with MEL in mining areas from Ecuador. This information could be used for environmental management and pollution mitigation.</description><subject>Acid mine drainage</subject><subject>Deposits</subject><subject>Ecosystems</subject><subject>Environmental assessment</subject><subject>Environmental health</subject><subject>Environmental liability</subject><subject>Environmental management</subject><subject>Environmental risk</subject><subject>Geological surveys</subject><subject>Geology</subject><subject>Gold</subject><subject>Gold mines & mining</subject><subject>Landfills</subject><subject>Mineral processing</subject><subject>Mitigation</subject><subject>Pollution</subject><subject>Pollution control</subject><subject>Population</subject><subject>Rehabilitation</subject><subject>Risk analysis</subject><subject>Risk assessment</subject><subject>Risk levels</subject><subject>River ecology</subject><subject>Sediments</subject><subject>Sustainability</subject><subject>Waste disposal sites</subject><issn>2071-1050</issn><issn>2071-1050</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpNkEFLAzEUhIMoWGov_oKAN2E1L9lkN8dSaitUFKnnJd0kNXWb1GRX0It_3S2t6LvM42OYgUHoEsgNY5Lcpg5yIIKU8gQNKCkgA8LJ6b__HI1S2pD-GAMJYoC-n116w-OUTEpb41scLH5w3vk1nvoPF4PfU9XghVMr17jWmYRtiHj5alzEE9WadYjuS7UueKy8xk_R9aD9Rc7jWWh0dgwdR6PSvmRad0qHeIHOrGqSGR11iF7upsvJPFs8zu4n40VWU8nbjDIiNbc1lBy4NixnHEAapQtuwUqtKc8NU1YRMCtdlkXNRE3B5GJlGZWSDdHVIXcXw3tnUlttQhd9X1lRUZBcSCZE77o-uOoYUorGVrvotip-VkCq_cbV38bsB8kxb9k</recordid><startdate>20220501</startdate><enddate>20220501</enddate><creator>Salgado-Almeida, Bryan</creator><creator>Falquez-Torres, Daniel A.</creator><creator>Romero-Crespo, Paola L.</creator><creator>Valverde-Armas, Priscila E.</creator><creator>Guzmán-Martínez, Fredy</creator><creator>Jiménez-Oyola, Samantha</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>4U-</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><orcidid>https://orcid.org/0000-0002-7211-1127</orcidid><orcidid>https://orcid.org/0000-0003-2611-5749</orcidid><orcidid>https://orcid.org/0000-0002-7188-8081</orcidid><orcidid>https://orcid.org/0000-0002-3538-6754</orcidid></search><sort><creationdate>20220501</creationdate><title>Risk Assessment of Mining Environmental Liabilities for Their Categorization and Prioritization in Gold-Mining Areas of Ecuador</title><author>Salgado-Almeida, Bryan ; 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In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 MEL including landfills, mining galleries, tailing deposits, and mineral processing plants from Macuchi, Tenguel–Ponce Enriquez, and Puyango mining areas, were analyzed. The risk assessment related to the presence of waste deposits was carried out based on the methodology proposed by the Spanish Geological Survey. Moreover, the procedure outlined in the Environmental Risk Assessment Guide of the Ministry of Environment of Peru for nonwaste deposits was applied. The highest RI values were identified in Puyango and Tenguel–Ponce Enriquez. Thus, they were both categorized as priority control areas requiring intervention and rehabilitation plans. The MEL that require a high level of intervention include waste deposits and mine entrances associated with potentially toxic elements. 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subjects | Acid mine drainage Deposits Ecosystems Environmental assessment Environmental health Environmental liability Environmental management Environmental risk Geological surveys Geology Gold Gold mines & mining Landfills Mineral processing Mitigation Pollution Pollution control Population Rehabilitation Risk analysis Risk assessment Risk levels River ecology Sediments Sustainability Waste disposal sites |
title | Risk Assessment of Mining Environmental Liabilities for Their Categorization and Prioritization in Gold-Mining Areas of Ecuador |
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