Landscape restoration

Côte d’Ivoire

Hydrological restoration in two target areas (a series of villages north of Seguela, and Tortiya in Côte d’Ivoire) that result from small-scale diamond mining. Artisanal and small-scale mining typically involves non-mechanized extraction of diamondiferous gravel by individuals or groups. Collectively the impact can be very consequential.

Challenge

The core problem is negative hydrological effects of ASM mining. Causes include dumping sediment into stream bodies, diverting waterways and destroying water channels. Possible solutions include preventative techniques like land-use planning and training on strategies to mitigate damage to water flow patterns. Post-mining solutions include reconstituting water flow in ways that restore a “natural” flow or contributes to some new land-use (like fish farming and rice farming).

Goals

  1. Contribute to understanding how ASM diamond mining affects hydrological flow over time through case studies of Seguela and Tortiya
  2. Identify policy and practical pre-mining and post-mining solutions that help mitigate the negative hydrological effects of ASM diamond mining

Main Activites

  1. A hydrological analysis of watersheds where diamond mining occurs
  2. Recommendations for solutions for pre-mining hydrological management
  3. Practical solutions for managing water flow in areas with current or future PRADD activities that require precise water management
  4. Identification of practical and specific ideas for additional water management solutions that can undo certain negative effects (restoration) or contribute to alternative land uses (reclamation), including social solutions.
  5. Participation of local Ivorian environmental authorities and NGOs in analyzing and managing water management challenges in ASM diamond mining
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