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Acequias help maintain community identity and cohesion, economic sustainability, enhanced floodplain hydrologic function, and wildlife habitat. Contemporary acequia-based communities face new socioeconomic and natural resource pressures that threaten their existence. Population growth is accelerating the change from agricultural to residential land and water uses, while climate change threatens to bring warmer winters with less precipitation and earlier spring snowmelt. Traditional acequias create and sustain intrinsic linkages between human and natural systems that increase community and ecosystem resilience to climatic and socioeconomic stresses. Greater knowledge about these interconnections and what can cause them to change or fail will be essential to determine how the communities relying on acequias can adapt to changing conditions.
This interdisciplinary research project will explore socioeconomic and cultural linkages within and between acequia communities and associated landscapes; hydrologic linkages between surface water and groundwater in irrigated river valleys and contributing watersheds; and wildlife habitat and grazing distribution connections between valley riparian areas and upland forests and grasslands. The investigators will quantify the role of acequias in hydrologic function, community resilience, and ecosystem health, and they will identify potential tipping points for acequia community survival. Integrative tools informed by examinations of socioeconomic, cultural, and ecohydrological factors will indicate the resilience level of acequia-centered systems. A system dynamics model will simulate effects of climate and land-use stressors on relationships between economic, social, cultural, climatic, hydrologic, vegetation, and wildlife components. The model will quantify the magnitude of stressors needed to undermine community and ecosystem resilience. Mapping will capture spatial linkages and help communicate the findings to a larger audience.
This project will provide new insights into the relationships between traditional water management systems, communities, and landscapes. It will broaden participation of minorities by conducting research in rural Hispanic communities. Community members will be active participants in the project and help determine keys to their own community survival. Project results will be made available to researchers, policy makers, local stakeholders, and the general public through scientific publications, presentations, extension documents, and workshops. Teachers from the region will be involved in participatory training in order to reach K-12 students. Undergraduate students will be directly involved in the research, as will graduate students who will be trained as future scientists and community leaders. A major museum exhibit will integrate spirituality and sense of place into presentation of community resource governance. Cross-pollination of ideas with international experts will take place through a global comparative workshop and a comparative study in Chile. Policy guidance resulting from this study should help maintain acequia communities and similar common-pool resource systems worldwide. This project is supported by the NSF Dynamics of Coupled Natural and Human Systems (CNH) Program. For more information, contact Quita Ortiz at firstname.lastname@example.org