The Recharge Channels of the Sierra Nevada Range (Spain) and the Peruvian Andes as Ancient Nature-Based Solutions for the Ecological Transition

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Abstract
Nature-Based Solutions for Integrated Water Resources Management (NbS-IWRM) involve natural, or nature-mimicking, processes used to improve water availability in quantity and quality sustainably, reduce the risks of water-related disasters, enhance adaptation to climate change and increase both biodiversity and the social-ecological system’s resilience. United Nations and the European Commission promote their research as a cornerstone in the changeover to the Ecological Transition. In the Sierra Nevada range (Spain) and the Andean Cordillera, there is a paradigmatic and ancestral example of NbS-IWRM known as “careo channels” and “amunas”, respectively. They recharge slope aquifers in mountain areas and consist of an extensive network of channels that infiltrate the runoff water generated during the snow-thawing and rainy season into the upper parts of the slopes. The passage of water through the aquifers in the slope is used to regulate the water resources of the mountain areas and thus ensure the duration of water availability for the downstream local population and generate multiple ecosystem services. This form of water management is known as Water Sowing and Harvesting (WS&H). As shown in this work, it is a living example of a resilience and climate change adaptation tool that can be qualified as a nature-based solution.
Funding Information
  • Organismo Autónomo Parques Nacionales (SPIP2021-02741, NBS4WATER, Ref 2768/2021, 419RT0577, AECEX2021)
  • Organismo Autónomo Parques Nacionales (SPIP2021-02741, NBS4WATER, Ref 2768/2021, 419RT0577, AECEX2021)
  • Ibero-American Science and Technology for Development Programme (CYTED) for its financial support to the network “Water Sowing and Harvesting in Protected Natural Areas” (SPIP2021-02741, NBS4WATER, Ref 2768/2021, 419RT0577, AECEX2021)
  • “Severo Ochoa” (SPIP2021-02741, NBS4WATER, Ref 2768/2021, 419RT0577, AECEX2021)

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