Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada

Mining activities generate residues during the ore concentration process. These wastes are placed into large tailing storage facilities, and upon mine closure, these tailings must be reclaimed. This study aimed to determine how different reclamation methods, involving combinations of planted boreal...

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Autores principales:	Alyson Gagnon, Nicole J. Fenton, Pascal Sirois, Jean-François Boucher
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biodiversity vegetation reclamation mine tailings organic amendment Agriculture S
Acceso en línea:	https://doaj.org/article/186fa6b4309a4705a0fc16042f635a9b
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spelling	oai:doaj.org-article:186fa6b4309a4705a0fc16042f635a9b2021-11-25T18:09:34ZPlant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada10.3390/land101111912073-445Xhttps://doaj.org/article/186fa6b4309a4705a0fc16042f635a9b2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-445X/10/11/1191https://doaj.org/toc/2073-445XMining activities generate residues during the ore concentration process. These wastes are placed into large tailing storage facilities, and upon mine closure, these tailings must be reclaimed. This study aimed to determine how different reclamation methods, involving combinations of planted boreal woody species and organic amendments application (paper mill sludge biosolids, chicken manure, and topsoil) affected plant community diversity at two tailing storage facilities in Québec, Canada. We recorded the composition of the plant communities using the percent cover of plant species within 1 m × 1 m quadrats. At the Niobec mine site, paper mill sludge mixed with topsoil enhanced total plant cover was compared with the use of topsoil only; the former amendment, however, reduced evenness (J′) and diversity (1−D) due to the increased growth of grasses and invasive forbs. At the Mont-Wright site, plots having received paper mill sludge mixed with a “Norco” treatment (a mixture of chicken manure, hay, and grass seeds) produced the highest total plant cover. The Norco treatment mixed with topsoil and the single application of topsoil and biosolids produced the highest evenness (J′) and diversity (1−D). Overall, organic amendment applications promoted vegetation cover on tailings and contributed to the colonization of diverse plant communities.Alyson GagnonNicole J. FentonPascal SiroisJean-François BoucherMDPI AGarticlebiodiversityvegetationreclamationminetailingsorganic amendmentAgricultureSENLand, Vol 10, Iss 1191, p 1191 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biodiversity vegetation reclamation mine tailings organic amendment Agriculture S
spellingShingle	biodiversity vegetation reclamation mine tailings organic amendment Agriculture S Alyson Gagnon Nicole J. Fenton Pascal Sirois Jean-François Boucher Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
description	Mining activities generate residues during the ore concentration process. These wastes are placed into large tailing storage facilities, and upon mine closure, these tailings must be reclaimed. This study aimed to determine how different reclamation methods, involving combinations of planted boreal woody species and organic amendments application (paper mill sludge biosolids, chicken manure, and topsoil) affected plant community diversity at two tailing storage facilities in Québec, Canada. We recorded the composition of the plant communities using the percent cover of plant species within 1 m × 1 m quadrats. At the Niobec mine site, paper mill sludge mixed with topsoil enhanced total plant cover was compared with the use of topsoil only; the former amendment, however, reduced evenness (J′) and diversity (1−D) due to the increased growth of grasses and invasive forbs. At the Mont-Wright site, plots having received paper mill sludge mixed with a “Norco” treatment (a mixture of chicken manure, hay, and grass seeds) produced the highest total plant cover. The Norco treatment mixed with topsoil and the single application of topsoil and biosolids produced the highest evenness (J′) and diversity (1−D). Overall, organic amendment applications promoted vegetation cover on tailings and contributed to the colonization of diverse plant communities.
format	article
author	Alyson Gagnon Nicole J. Fenton Pascal Sirois Jean-François Boucher
author_facet	Alyson Gagnon Nicole J. Fenton Pascal Sirois Jean-François Boucher
author_sort	Alyson Gagnon
title	Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
title_short	Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
title_full	Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
title_fullStr	Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
title_full_unstemmed	Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada
title_sort	plant community diversity at two reclaimed mine tailing storage facilities in québec, canada
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/186fa6b4309a4705a0fc16042f635a9b
work_keys_str_mv	AT alysongagnon plantcommunitydiversityattworeclaimedminetailingstoragefacilitiesinquebeccanada AT nicolejfenton plantcommunitydiversityattworeclaimedminetailingstoragefacilitiesinquebeccanada AT pascalsirois plantcommunitydiversityattworeclaimedminetailingstoragefacilitiesinquebeccanada AT jeanfrancoisboucher plantcommunitydiversityattworeclaimedminetailingstoragefacilitiesinquebeccanada
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Plant Community Diversity at Two Reclaimed Mine Tailing Storage Facilities in Québec, Canada

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