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Degraded Landscapes in Hillside Systems with Agricultural Use: An Integrated Analysis to Establish Restoration Opportunities in Central Chile

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  • Roxana Lebuy

    (Centro Regional de Investigación e Innovación para la Sostenibilidad de la Agricultura y los Territorios Rurales (Ceres), Pontificia Universidad Católica de Valparaíso, Quillota 2374631, Chile)

  • Diana Mancilla-Ruiz

    (Centro Regional de Investigación e Innovación para la Sostenibilidad de la Agricultura y los Territorios Rurales (Ceres), Pontificia Universidad Católica de Valparaíso, Quillota 2374631, Chile)

  • Hermann Manríquez

    (Instituto de Geografía, Pontificia Universidad Católica de Valparaíso, Valparaíso 2362807, Chile)

  • Francisco De la Barrera

    (Departamento de Planificación Territorial y Sistemas Urbanos, Facultad de Ciencias Ambientales, Universidad de Concepción, Concepción 4070386, Chile)

Abstract

Hillside systems are key centers of ecological and cultural diversity, providing humanity with goods (e.g., food) and vital services (e.g., prevention of landslides) and sustaining 25% of terrestrial biodiversity. However, historical land use practices over these landscapes have contributed to their degradation. In this work, the hillside systems (i.e., slope > 5%) of the agricultural-rural landscape in the Coastal range of Central Chile (32° S–34° S) was analyzed and integrated analysis methods were used for the identification of areas that are degraded and have agricultural potential. The criteria used to identify them include morphometric parameters, current land cover/use, and legal protection status. The hillside systems represent a 74% of the study area, and while 1.2% is currently used for agriculture (13,473 ha), there are 3.2 thousand hectares that could be potentially recovered for agriculture, representing 0.4% of the hillside systems and 0.3% of the study area. In contrast, there are 773,131 ha of hillside systems with natural vegetation in need of conservation and/or protection, representing 69.4% of the study area (93.9% of the hillside systems). The last are key for the resilience of the entire landscape, helping to maintain critical processes linked to the productivity of agricultural areas, especially in the context of climate change and recurrent droughts.

Suggested Citation

  • Roxana Lebuy & Diana Mancilla-Ruiz & Hermann Manríquez & Francisco De la Barrera, 2022. "Degraded Landscapes in Hillside Systems with Agricultural Use: An Integrated Analysis to Establish Restoration Opportunities in Central Chile," Land, MDPI, vol. 12(1), pages 1-16, December.
    • Handle: RePEc:gam:jlands:v:12:y:2022:i:1:p:5-:d:1008698
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    References listed on IDEAS

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