Perspectives in Ecology and Conservation Perspectives in Ecology and Conservation
Perspectives in Ecology and Conservation 2017;15:141-4 DOI: 10.1016/j.pecon.2017.09.002
Editorial
Deadly conflicts: Mining, people, and conservation
G.W. Fernandesa,, Sérvio P. Ribeirob
a Ecologia Evolutiva & Biodiversidade, Departamento de Biologia Geral, ICB/Universidade Federal de Minas Gerais, 30161-901 Belo Horizonte, MG, Brazil
b Laboratório de Ecologia Evolutiva de Insetos de Dossel e Sucessão Natural, Departamento de Biodiversidade, Evolução e Meio Ambiente, ICEB, Universidade Federal de Ouro Preto, Ouro Preto 35400-000, Brazil
On the reverberation of the impacts of mining operations on conservation

Although mining has undeniable importance to the Brazilian economy, the environmental degradation it causes can generate profound impacts on ecosystems and landscapes. Contrary to some expectations (or intentional advertising), that they are only related to pitches and their immediate surroundings, mining impacts indeed reach much further (e.g., Fernandes et al., 2014; Ross et al., 2016; Santos and Milanez, 2017). The impacts of mining on ecosystems and conservation are global and of major concern because of their synergy with other drivers of ecosystem changes.

Areas degraded by mining result from a wide range of drivers that, acting alone or in synergy, impact the environment. Perhaps most striking is the removal vegetation cover due to the modification of the soil structure. These processes, in turn, generate a cascade of consequences for fauna, ecosystem functioning, damage response capacity, and the provisioning of ecosystem services (e.g., Cardiff et al., 2012; Durán et al., 2013; Murguía et al., 2016). Areas degraded by mining combine vegetation suppression, habitat fragmentation, compaction of exposed material, low infiltration rates and water storage capacity, groundwater retraction, soil nutrient leaching, disruption of nutrient cycling, erosion, pollution of soil and water resources (with solvents, oils, greases and heavy metals), increased air and water particles, oxygen deficiency in water bodies, light and noise pollution, intentional introduction of non-native species during restoration, landscape alterations, and the destruction of local communities (e.g., Selinus et al., 2013; Murguía et al., 2016; Parise, 2016; Costa-Milanez et al., 2017).

The direct effects of mining on biodiversity and ecosystem services are amplified several times when the effects of research, drilling, urban development and the creation of roads and other logistic infrastructure inherent to operations of mineral extraction are considered. Since accidents do occur, the lack of established mitigation strategies for each type of ecosystem make the impacts even worse. All these types of impacts have resulted in the loss of biodiversity, especially of rare species and those restricted to particular habitat types, population fragmentation, genetic bottlenecks, increased vulnerability to disease, chasing away animal species, among many others (Cardiff et al., 2012; Durán et al., 2013; Murguía et al., 2016). A major concern today is the intentional use of exotic species in the restoration of degraded areas. This practice has resulted in further environmental degradation by facilitating additional invasions, hindering natural regeneration, and negatively impacting hydrological and fire regimes, landscape quality and restoration processes (e.g., Hilario et al., 2011; Fernandes et al., 2016a).

Beyond the pitch and governance

While what occurs within mining pitches themselves is more or less controlled, environmental problems are largely observed beyond them. One major problem is that of barren and tailings, which are mining wastes common to almost all types of mining and generally pose a great risk to the environment and public health when there is no environmentally sound management (e.g., Selinus et al., 2013; Murguía et al., 2016). These materials frequently account for up to 90% of the ore exploited (e.g., 98.7% for copper, 97.9% for niobium, 96.6% for nickel, 98.6% for cobalt and almost 100% for the gold). The generation of this mining waste is generally very high, and thus its destination or reuse is complex and requires great investment and intelligence in its handling. Tailing dams are structures used to dispose of unused material resulting from processes of beneficiation and construction. The quality of these structures needs to be ensured, beginning with site selection and continuing through the management of structures to their closure, following environmental norms, geotechnical and structural parameters, social, and safety and risk factors (see Kalsnes et al., 2017). However, since waste disposal and investment in its improvement do not seem to bring any direct financial return, entrepreneurs often build simpler, less-expensive, and thus less reliable, structures; this has been a principal factor behind the majority of accidents reported in the literature. Bowker and Chambers (2016), concluded that “…the deviations from best available technology and best applicable practices at the mine level are conscious choices driven by economics and that without a reframing of the professional, regulatory, and legal frameworks for mining these choices will continue to be made even where proven technology and new promising technology are available and better suited to a given mining asset”. Thus, planning is the key to enabling government policies and actions to be implemented in order to improve management systems of not only these structures, but of the entire mining process. However, this control requires strong policies that promote institutional strengthening.

A tragic mining disaster

While this special feature focus on the impacts of mining on the environment, people, conservation, and policy, we argue that the case of the rupture of the Fundão dam in the municipality of Mariana (Brazil) figure out as a classical example on how wrong and careless maintenance and management of a huge deposit of toxic sludge lead to environmental and socioeconomic disasters that may reverberate through time (see Fernandes et al., 2016b; Segura et al., 2016). As a result of the magnitude of the social and environmental impacts, the foot-prints are now much clearer and thoroughly evaluated by economists, engineers, geologists, lawyers and environmentalists (e.g., Agurto-Detzel et al., 2016; Espindola et al., 2016; Fernandes et al., 2016b; Fonseca and Ávila Filho, 2017; Marta-Almeida et al., 2016; Miranda and Marques, 2016; Neves et al., 2016; Kalsnes et al., 2017). Although a pact was, somewhat, made to restore the river basin, the foot-prints shall go deeper into the socio-environmental mud generated.

For instance, although ecological restoration of the impacted area is mandatory and was initiated in the region, there are many key aspects of ecological restoration (e.g., functional recovery of the ecosystems, return of biodiversity, ecosystem function and services, etc.) that must be addressed (e.g., Brookes and Shields, 1996; SER, 2004; Kollmann et al., 2016). On the other hand, the practice of spreading a combination of exotic species (Fig. 1) on the mud banks along the remnants of Atlantic Forest and rivers are likely to cause more damage to the moribund Doce river watershed. These species may grow uncontrolled and prevent the proper restoration of the river-bank ecosystem by outcompeting and suffocating native species, perhaps preventing natural succession (D’Antonio and Meyrson, 2002; Fernandes et al., 2015).

Fig. 1.
(0.44MB).

(A) Under increasing pressure of habitat fragmentation, suppression, and exotic tree plantations, the moribund Atlantic forest of the Doce watershed has now to cope with a dead river and threats imposed by biological invasions caused by intentional use of exotic species in restoration of the biodiversity hotspot. (B) Attempt to seal-off the potentially toxic material with a combination of exotic species along the river channel.

Disasters caused by mining occur throughout the world, and most of them have human fingerprints. In this special feature of Perspectives in Ecology and Conservation, we intended to bring forward examples from many areas and of different events where and when mining has impacted society, and recent developments on how to deal with environmental and societal problems in mining regions. Clearly, there are dozens of types of mining industries and their impacts are dependent on a multitude of actors including government policies, resilience of the ecosystem(s) impacted and community-based knowledge and resilience. But to us what is needed most is more science and less flimsy politics on behalf of all involved.

This special feature on mining

Major and global problems related to the mining industry around the world are that of the quality of the environmental impact assessment, society sectors engagement in provoking discussion and presenting solutions, mining industry willingness to adopt more sustainable strategies and standards, governance and sound policies. If not properly built, conducted and evaluated by professionals, the impacts of mining on the environment may be scaled up several times as discussed by Dias et al., 2017. Carmo et al., 2017 specifically address the Fundão dam tragedy by Samarco and points that law relaxation, decrease of resources for regulatory agencies and the absence of effective measures for environmental recovery hampers the mitigation of the impacts. They advocate for urgent reviews on how large-scale extraction of minerals is carried out, increased technical and environmental standards, and monitoring of associated structures in the mining industry. Meira-Neto and Neri, 2017 propose actions to restore the ecosystems of the Doce river basin based on maps of plant taxonomic, functional and phylogenetic diversity as potential providers of ecosystem services. They also propose the constructions of a map of biodiversity potential for ecological restoration and for conservation of ecosystem functions and services to guarantee full ecosystem recovery. Pires et al., 2017 also focus on the Samarco disaster and argue that the impacts caused on the environment could be significantly mitigated if compliance to the new Brazilian Native Vegetation Protection Law is ensured. They argue that the percentage of forest kept in areas of permanent preservation drives the overall resilience and resistance of the entire Doce river basin by using water quality as a proxy for watershed resilience and resistance, and ultimately to improve local adaptation and sustainable development.

The mining industry is dispersed in the planet, is diverse in policies, minerals exploited and technologies employed. Hence, while there are many general conducts there are also many specificities to be observed. Pena et al. (2017) model the impacts mining might has on endemic and endangered birds and amphibians in one of the most diverse mountain regions of the world, the Espinhaço mountains. They focus on the direct and indirect effects of mining on the potential geographic range of 32 anuran and 8 bird species endemic to the eastern Brazil mountaintops and show that the potential distribution of the anuran and bird species is affected directly or indirectly by mining. They discuss the aspects related to the loss of potential habitat for these species, and call for management strategies to avert the ongoing wave of mining impacts. Rocha-Nicoleite et al., 2017 focus on the abandoned degraded areas of coal mines in the Brazilian state of Santa Catarina. Authors propose that development of specific restoration actions and measures to achieve effective restoration of coal degraded land, and reinforce the need of long-term monitoring, control of invasive grasses, and society participation for the success of restoration. Pena et al. (2017-b) presented an interesting experience in a participatory review of a city master plan where the academic participation revealed to be of great importance. A deeper participation of the academia may ensure an equitable balance of interests between the mining sector and society, and aid in the pursuit of quality of life improvement and natural resources preservation.

Mining also impact people and their values. MacInnes et al., 2017 address the devastating consequences of mining might have on indigenous people. Focus is given on the mining responsibility to respect indigenous peoples’ right to decide about the extractive industry projects in their territories. They highlight the emergence of initiatives that have obliged the mining industry to recognize indigenous peoples’ right to give or withhold their consent to operations that may affect their customary lands. In their own words, “…it distils good practice on indigenous consultation and the principle of native title from evolving national and international law….” Their article concludes that the mining industry must recognize and protect indigenous’ peoples’ rights as a preeminent principle of responsible mining good practices. Lewis and Lewis, 2017 address a case in the Australian continent where the indigenous people complex cultural, economic and social systems reported by myths and songlines was shattered by the British invasion and settlement. In the remote Western Australia Pilbara region on the Dampier Archipelago (Burrup Península) this violation has been perpetuated through the destructive practices of mining. This area hosts one of the world's most extensive and significant indigenous Paleolithic art galleries which conflicts with the world's most extensive and richest iron ore deposits, as well as a vast array of other minerals and fuels. The paper examines the conflict, complex politics of conservation to protect the heritage of the area from further destruction. Caldeira et al., 2017 bring a case of native Amazonian population that collect leaves of the plant genus Pilocarpus (jaborandi) to synthesize pilocarpine, an imidazole alkaloid largely employed in glaucoma and xerostomia treatments. Intensive extractivism and deforestation over recent decades have led to substantial declines in yields, plant populations and genetic diversity. Conservation programs and sustainable management involving the local communities and mining companies represent an important step in the conservation of Pilocarpus and its ecosystem services.

This special feature will not solve the problem of mining impact on ecosystems and people, and the novel ecosystems being created by the people involved in post-disasters, but it does serve to bring new scientific and political facts about mining operations around the world into light. Scientists have been mostly absent from such problems for too long. We have reached a point where to save and preserve life we have to abandon our labs and comfort zones to express sound scientifically-based opinions on the lives of people and environment.

Acknowledgements

We thank JP Metzger for continuous support for the edition of this special feature of Perspectives in Ecology and Conservation, to CNPq and Fapemig for supporting our research program on mining and other environmental issues.

References
Agurto-Detzel et al., 2016
H. Agurto-Detzel,M. Bianchi,M. Assumpção,M. Schimmel,B. Collaço,C. Ciardelli,J.R. Barbosa,J. Calhau
The tailings dam failure of 5 November 2015 in SE Brazil and its preceding seismic sequence
Geophys. Res. Lett., 43 (2016), pp. 4929-4936
Bowker and Chambers, 2016
L.N. Bowker,D.M. Chambers
Root causes of tailings dam overtopping: the economics of risk consequence
2nd International Seminar on Dam Protection Against Overtopping, pp. 10
Brookes and Shields, 1996
A. Brookes,F.D. Shields Jr.
River Channel Restoration: Guiding Principles for Sustainable Projects
Wiley, (1996)
Caldeira et al., 2017
C.F. Caldeira
Sustainability of Jaborandi in the eastern Brazilian Amazon
Perspect. Ecol. Conserv., 15 (2017), pp. 166
Cardiff et al., 2012
S. Cardiff,C. Coumans,R. Hart,P. Sampat,B. Walker
Troubled waters. How mine waste dumping is poisoning our oceans, rivers and lakes
Earthworks Min. Watch Can., (2012),
Carmo et al., 2017
F. Carmo
Fundão tailing dam failures: the environment tragedy of the largest technological disaster of Brazilian mining in global context
Perspect. Ecol. Conserv., 15 (2017), pp. 145-151
Costa-Milanez et al., 2017
C.B. Costa-Milanez,J.D. Majer,P.T.A. Castro,S.P. Ribeiro
Influence of soil granulometry on average body size in soil ant assemblages: implications for bioindication
Perspect. Ecol. Conserv., 16 (2017), pp. 1-7
Dias et al., 2017
Dias,Fonseca,Paglia
Biodiversity monitoring in the environmental impact assessment of mining projects: a (persistent) waste of time and money?
Perspect. Ecol. Conserv., 15 (2017), pp. 201-203
D’Antonio and Meyrson, 2002
C. D’Antonio,L.A. Meyrson
Exotic plant species as problems and solutions in ecological restoration: a synthesis
Restor. Ecol., 10 (2002), pp. 703-713
Durán et al., 2013
A.P. Durán,J. Rauch,K.J. Gaston
Global spatial coincidence between protected areas and metal mining activities
Biol. Conserv., 160 (2013), pp. 272-278
Espindola et al., 2016
H.S. Espindola,R.B.F. Campos,K.C.C. Lamounier,R.S. Silva
Desastre da Samarco no Brasil: desafios para a conservação da biodiversidade
J. Soc. Technol. Environ. Sci., 5 (2016), pp. 72-100
Fernandes et al., 2014
G.W. Fernandes,N.P.U. Barbosa,D. Negreiros,A.P. Paglia
Challenges for the conservation of vanishing megadiverse rupestrian grasslands
Nat. Conserv., 12 (2014), pp. 162-165
Fernandes et al., 2016b
G.W. Fernandes,F.G. Fernando,B.D. Ranieri,M.S. Coelho,K. Dales,N. Boesche,M. Bustamante,F.A. Carvalho,D.C. Carvalho,R. Dirzo,S. Fernandes,P.M. Galetti,V.G. Millan,C. Mielke,J.L. Ramirez,A. Neves,C. Rogass,S.P. Ribeiro,A. Scariot,B. Soares-filho
Deep into the mud: ecological and socio-economic impacts of the dam breach in Mariana, Brazil
Nat. Conserv., 14 (2016), pp. 35-45
Fernandes et al., 2016a
G.W. Fernandes,T.S.P. Toma,P. Angrisano,G. Overbeck
Challenges in the restoration of quartzitic and ironstone rupestrian grasslands
Ecology and Conservation of Mountaintop Grasslands in Brazil, pp. 449-478
Fernandes et al., 2015
G.W. Fernandes,R. Santos,N.P.U. Barbosa,H.A. Almenida,V. Carvalho,P. Angrisano
Ocorrência de plantas não nativas e exóticas em areas restauradas de campos rupestres
Planta Daninha, 33 (2015), pp. 463-482
Fonseca and Ávila Filho, 2017
M.N.E. Fonseca,S. Ávila Filho
Assessment of an accident using FMEA to a tailings dam, a mining event in Brazil
Risk, Reliability and Safety: Innovating Theory and Practice, pp. 223-227
Hilario et al., 2011
R.R. Hilario,S.A.B. Castro,F.T.O. Ker,G.W. Fernandes
Unexpected effects of pigeon-peas (Cajanus Cajan) restoration of rupestrian fields
Planta Daninha, 29 (2011), pp. 717-723
Kalsnes et al., 2017
B. Kalsnes,H.P. Jostad,F. Nadim,A. Hauge,A. Dutra,A. Muxfeldt
Tailings dam stability
Advancing Culture of Living with Landslides, pp. 1173-1180
Kollmann et al., 2016
J. Kollmann,S.T. Meyer,R. Bateman,T. Conradi,M.M. Gossner,M.S. Mendonça,G.W. Fernandes,J.M. Hermann,C. Koch,S.C. Müller,Y. Oki,G.E. Overbeck,G.B. Paterno,M.F. Rosenfield,T.S.P. Toma,W.W. Weisser
Integrating ecosystem functions into restoration ecology—recent advances and future directions
Restor. Ecol., 24 (2016), pp. 722-730
Lewis and Lewis, 2017
J. Lewis,B. Lewis
Rock art and mining violence on the australian burrup peninsula: language wars, economy and culture
Perspect. Ecol. Conserv., 15 (2017), pp. 174-181
Marta-Almeida et al., 2016
M. Marta-Almeida,R. Mendes,F.N. Amorim,M. Cirano,J.M. Dias
Fundão Dam collapse: oceanic dispersion of River Doce after the greatest Brazilian environmental accident
Sci. Direct, 112 (2016), pp. 359-364
MacInnes et al., 2017
MacInnes,Colchester,Whitmore
Free, prior and informed consent: how to counter the devastating consequences of harmful mining for indigenous peoples
Perspect. Ecol. Conserv., 15 (2017), pp. 157-165
Meira-Neto and Neri, 2017
Meira-Neto,Neri
Appealing the sentences of the Doce, São Francisco and Amazonas rivers: stopping the Mining Lobby and creating ecosystem services reserves
Perspect. Ecol. Conserv., 15 (2017), pp. 194-196
Miranda and Marques, 2016
L.S. Miranda,A.C. Marques
Hidden impacts of the Samarco mining waste dam collapse to Brazilian marine fauna – an example from the staurozoans (Cnidaria)
Biota Neotrop., 16 (2016), pp. 1-4
Murguía et al., 2016
D.I. Murguía,S. Bringezua,R. Schaldach
Global direct pressures on biodiversity by large-scale metal mining: spatial distribution and implications for conservation
J. Environ. Manag., 180 (2016), pp. 409-420
Neves et al., 2016
A.C.O. Neves,F.P. Nunes,F.A. Carvalho,G.W. Fernandes
Neglect of ecosystems services by mining, and the worst environmental disaster in Brazil
Nat. Conserv., 14 (2016), pp. 24-27
Parise, 2016
M. Parise
Modern resource use and its impact in karst areas – mining and quarrying
Z. Geomorphol. (Suppl), 60 (2016), pp. 199-216
Pena et al., 2017-a
Pena
Beyond the mining pit: the academic role in social deliberation for participatory environmental planning
Perspect. Ecol. Conserv., 15 (2017), pp. 189-193
Pena et al., 2017-b
Pena
Impacts of mining activities on the potential geographic distribution of eastern Brazil mountaintop endemic species
Perspect. Ecol. Conserv., 15 (2017), pp. 167-173
Pires et al., 2017
Pires,Paglia,Fonseca
Forest restoration can increase the Rio Doce watershed resilience
Perspect. Ecol. Conserv., 15 (2017), pp. 182-188
Rocha-Nicoleite et al., 2017
Rocha-Nicoleite,Overbeck,Müller
Degradation by coal mining should be priority in restoration planning
Perspect. Ecol. Conserv., 15 (2017), pp. 197-200
Ross et al., 2016
M.R.V. Ross,B.L. McGlynn,E.S. Bernhard
Deep impact: effects of mountaintop mining on surface topography, bedrock structure, and downstream waters
Am. Chem. Soc., 50 (2016), pp. 2064-2074
Santos and Milanez, 2017
R.S.P. Santos,B. Milanez
The construction of the disaster and the “privatization” of mining regulation: reflections on the tragedy of the Rio Doce Basin, Brazil
Vibrant, 14 (2017), pp. 127-149
Segura et al., 2016
F.R. Segura,E.A. Nunes,F.P. Paniz,A.C.C. Paulelli,G.B. Rodrigues,G.U.L. Braga,W.R. Pedreira Filho,F. Barbosa Jr.,G. Cerchiaro,F.F. Silva,B.L. Batista
Potential risks of the residue from Samarco's mine dam burst (Bento Rodrigues, Brazil)
Environ. Pollut., 218 (2016), pp. 813-825 http://dx.doi.org/10.1016/j.envpol.2016.08.005
Selinus et al., 2013
Essentials of Medical Geology—Impacts of the Natural Environment on Public Health, 2nd ed., pp. 805
SER, 2004
SER
The SER International Primer on Ecological Restoration
Society for Tucson, (2004)
www.ser.org
Corresponding author. (G.W. Fernandes )