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Eutrophication of Piedmont Quarry Lakes (North-Western Italy): Hydrogeological Factors, Evaluation of Trophic Levels and Management Strategies

Author

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  • Sara Elisa Domenica Castagna

    (Universita degli Studi di Torino, Torino, Italy)

  • Domenico Antonio De Luca

    (Universita degli Studi di Torino, Torino, Italy)

  • Manuela Lasagna

    (Universita degli Studi di Torino, Torino, Italy)

Abstract

Quarry lakes resulting from alluvium extraction have excavation depths that can reach the shallow aquifer and extend beyond the piezometric surface. Similar to natural lakes, pit lakes are subject to eutrophication process, both during and after quarrying activity; during mining activity, the eutrophic level is strongly controlled by the excavation method. The present study describes the trophic status of several quarry lakes in the Piedmont plain (north-western Italy) that were evaluated by applying classifications from scientific literature. Most of the studied quarry lakes were mesotrophic or eutrophic, and a slight worsening of water quality was observed over time. In addition, the paper focuses on the pit lake water quality and pit dimension; it was shown that lakes with a larger depth and volume generally had a lower tendency towards eutrophication. At last some management strategies were suggested to achieve environmental sustainability.

Suggested Citation

  • Sara Elisa Domenica Castagna & Domenico Antonio De Luca & Manuela Lasagna, 2015. "Eutrophication of Piedmont Quarry Lakes (North-Western Italy): Hydrogeological Factors, Evaluation of Trophic Levels and Management Strategies," Journal of Environmental Assessment Policy and Management (JEAPM), World Scientific Publishing Co. Pte. Ltd., vol. 17(04), pages 1-21, December.
    • Handle: RePEc:wsi:jeapmx:v:17:y:2015:i:04:n:s1464333215500362
    DOI: 10.1142/S1464333215500362
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    Cited by:

    1. Giovanna Antonella Dino & Susanna Mancini & Manuela Lasagna & Sabrina Maria Rita Bonetto & Domenico Antonio De Luca & Maria Dolores Pereira & Esther Holden Baptista & Irina Ludmilla de Ferro Miranda M, 2022. "Cooperative Projects to Share Good Practices towards More Effective Sustainable Mining—SUGERE: A Case Study," Sustainability, MDPI, vol. 14(6), pages 1-17, March.

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