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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 16, issue 10
Biogeosciences, 16, 2189–2204, 2019
https://doi.org/10.5194/bg-16-2189-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Biological soil crusts and their role in biogeochemical processes...

Biogeosciences, 16, 2189–2204, 2019
https://doi.org/10.5194/bg-16-2189-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 28 May 2019

Research article | 28 May 2019

Microbial biobanking – cyanobacteria-rich topsoil facilitates mine rehabilitation

Wendy Williams et al.
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Cited articles  
Aboal, M., Werner, O., García-Fernández, M. E., Palazón, J. A., Cristóbal, J. C., and Williams, W.: Should ecomorphs be conserved? The case of Nostoc flagelliforme, an endangered extremophile cyanobacteria, J. Nat. Conserv., 30, 52–64, https://doi.org/10.1016/j.jnc.2016.01.001, 2016. 
Agrawal, S. C. and Singh, V.: Viability of dried filaments, survivability and reproduction under water stress, and survivability following heat and UV exposure in Lyngbya martensiana, Oscillatoria agardhii, Nostoc calcicola, Hormidium fluitans, Spirogyra sp. and Vaucheria geminata, Folia Microbiol., 47, 61–67, https://doi.org/10.1007/BF02818567, 2002. 
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Short summary
Rare earth mining processes require the removal of topsoil that is mechanically scraped off and relocated to topsoil stockpiles, which proved beneficial for microbial biobanking. But there appears to be a critical time frame for holding topsoil, and rainfall penetration into the stockpile may result in the demise of cyanobacteria. In the longer term, provided conditions are favourable, there may be adequate cyanobacterial survival, at least down to 50 cm, to recolonise the soil surfaces.
Rare earth mining processes require the removal of topsoil that is mechanically scraped off and...
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