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Holistic Ecological Restoration of a mining area in Tarragona (Spain) with seven clay Quarries (LIFE-ECORESTCLAY)
Start date: Sep 15, 2013, End date: Sep 15, 2018 PROJECT  FINISHED 

Background According to the Millennium Ecosystem Assessment (an international study on the state of the Earth’s ecosystems, published in 2005), European ecosystems have been fragmented by human activities at a greater rate than those of any other continent. Ecosystems can play a vital role in mitigating climate change, but the capacity of ecosystems and species to respond to the challenges posed by climate change will largely depend on the degree to which they are protected and the extent to which they can be restored. Open-pit mining has a particularly negative impact on the environment, often damaging ecosystems beyond repair. Objectives The objective of this project, a follow-up to the ‘EcoQuarry’ LIFE project, is to develop a management protocol for mining areas, using innovative solutions for environmental protection. It will promote the reconstruction of ecosystems on the basis of reconstructing landforms that mimic the ‘natural’ conditions of the surroundings, thereby helping to boost biodiversity in the restored lands. The specific aims are to: Design, build and monitor reconstructed landforms, which replicate the natural landscapes surrounding mining pits, using the GeoFluv method. This method creates a new hydrologic network that is functionally and aesthetically integrated into the existing system of wetlands (which already occupy the bottom of the pits); Create a soil mosaic by re-using the leftovers of the mining operation, which will reproduce the physical, chemical and biological characteristics of the natural soils of the surrounding environment; Establish vegetal elements that allow for the development of communities and habitats of surrounding vegetation, including the highest possible number of native species; Promote an increase in the number and variety of bird populations in the ‘minescapes’ and their surroundings, paying special attention to those species included in the Birds Directive; Provide an environmental solution to an existing problem of severe flash flooding at the project site; Promote greater specialisation and awareness among the technicians and workers involved.Expected results: The main result will be the development of know-how, as it is expected that this approach to mining restoration will result in a paradigm shift in the way that mining reclamation is planned and executed. By creating highly diverse ecosystems and landscapes from formerly degraded lands, the project will boost the biodiversity of the area concerned. It will also have a high demonstration value, showing that land-transforming activities (such as mining) is compatible with the maintenance (and even improvement) of ecosystem services.
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