The ecohydrological approach in water sowing and harvesting systems: the case of the Paltas Catacocha ecohydrology demonstration site, Ecuador

Albarracin, Marco; Ramón, Galo; González, Jorge; Iñiguez-Armijos, Carlos; Zakaluk, Thomas; Martos-Rosillo, Sergio

http://hdl.handle.net/10400.1/17559

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Authors

Albarracin, Marco

Ramón, Galo

González, Jorge

Iñiguez-Armijos, Carlos

Zakaluk, Thomas

Martos-Rosillo, Sergio

Abstract(s)

Water sowing and harvesting (WS&H), a term adopted from Latin America, is an ancestral process that involves gathering and infiltration (sowing) of rainwater, surface runoff, and groundwater to recover it (harvesting) later and/or elsewhere. The WS&H systems follow the approaches of integrated water resource management, nature-based solutions and the recovery of ancestral knowledge for water management. In this paper, we present some representative types of WS&H in Latin America, Spain, and Portugal, and then, we focus on the Paltas Catacocha Ecohydrology Demonstration Site in southern Ecuador as a study case. The recovery of such local ecohydrological knowledge in the study case has made enabled the regulation and retention of water in the aquifers through the restoration of artificial wetlands (cochas) and stream dams ( tapes or tajamares). Also, this ancestral way of water management has recently supported and reactivated several biological aspects and human activities. The experience of the Paltas Catacocha site shows that there are more appropriate and sustainable alternatives to gray infrastructure projects for water resources management and denotes the need to study ancestral water and soil management systems.