The Risk of Land Degradation in Areas Impacted by Tailings Mudflows: A Legal and Economic Assessment DOI Open Access
Lucimar de Carvalho Medeiros, Maíse Soares de Moura,

Isadora Fonseca Navarro

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 6, 2024

ABSTRACT Accidents involving tailings dams are threatening because of their potential impacts. In many countries, despite the existence legislation population lives with insecurity dam breaks. Using Minas Gerais state in Brazil as an example, aforementioned applies to hundreds dams, specifically Vargem Grande Vale mining company. The area affected by a failure is set through legal‐administrative instruments called “flood patches.” purpose this study was analyze these patches, using and assess possible land degradation impacts failure, focused on flooded native vegetation. assessment resorted VERA—Economic Valuation Environmental Resources method. results exposed destruction 200 ha Atlantic Forest 55 Cerrado vegetation within flood patches. However, simulated outcomes also reveal significant decline patches short period (from 4.60 km 2 2022 3.05 2023), related dam‐decommissioning risk‐reduction works allegedly implemented or be This reduction can misleading decommissioning issues frequently used companies minimize responsibilities case breakup. It worth mentioning that patch led convenient drop VERA results, from nearly 74 53 million dollars. Therefore, official protocol delineate must improved allow more realistic evaluation. regard, changes overtime better defined legislation, namely inclusion potentially soil‐ water‐bearing ecosystem services. Effective monitoring paramount for true evaluation impacted areas.

Language: Английский

The Risk of Land Degradation in Areas Impacted by Tailings Mudflows: A Legal and Economic Assessment DOI Open Access
Lucimar de Carvalho Medeiros, Maíse Soares de Moura,

Isadora Fonseca Navarro

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 6, 2024

ABSTRACT Accidents involving tailings dams are threatening because of their potential impacts. In many countries, despite the existence legislation population lives with insecurity dam breaks. Using Minas Gerais state in Brazil as an example, aforementioned applies to hundreds dams, specifically Vargem Grande Vale mining company. The area affected by a failure is set through legal‐administrative instruments called “flood patches.” purpose this study was analyze these patches, using and assess possible land degradation impacts failure, focused on flooded native vegetation. assessment resorted VERA—Economic Valuation Environmental Resources method. results exposed destruction 200 ha Atlantic Forest 55 Cerrado vegetation within flood patches. However, simulated outcomes also reveal significant decline patches short period (from 4.60 km 2 2022 3.05 2023), related dam‐decommissioning risk‐reduction works allegedly implemented or be This reduction can misleading decommissioning issues frequently used companies minimize responsibilities case breakup. It worth mentioning that patch led convenient drop VERA results, from nearly 74 53 million dollars. Therefore, official protocol delineate must improved allow more realistic evaluation. regard, changes overtime better defined legislation, namely inclusion potentially soil‐ water‐bearing ecosystem services. Effective monitoring paramount for true evaluation impacted areas.

Language: Английский

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