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Final Report BOR R12AP80915 FY12: Defining Ecosystem Water Needs of the Upper Gila River and Assessing the Impacts of Climate Change

Product of project: Defining Ecosystem Water Needs of the Upper Gila River and Assessing the Impacts of Climate Change


2017-08-24 18:57:02
Last Update
2017-09-06 15:05:20
Start Date
End Date
Start Date
2013-01-01 06:00:00
End Date
2014-08-01 05:00:00


LCC Network Data Steward(Point of Contact), Desert Landscape Conservation Cooperative(administrator), David Gori(Principal Investigator), Clifford Dahm(Co-Investigator), David L. Propst(Co-Investigator), Ellen Soles(Co-Investigator), Mark Stone(Co-Investigator), Thomas F Turner(Co-Investigator), Kelly Kindscher(Co-Investigator), 2017-08-24(creation), 2017-09-06(lastUpdate), 2013-01-01(Start), 2014-08-01(End), Final Report BOR R12AP80915 FY12: Defining Ecosystem Water Needs of the Upper Gila River and Assessing the Impacts of Climate Change,


Final Report Executive Summary: The Nature Conservancy and a team of 14 academic partners (the project team) received funding from the Bureau of Reclamation’s WaterSMART program and the Desert Landscape Conservation Cooperative in 2012 to conduct this Gila River Flow Needs Assessment. The assessment describes the existing condition of the Gila River in the Cliff-Gila Valley and examines the potential impacts of CUFA diversion and climate change on the riparian and aquatic ecosystem. The project team was assisted by 35 academic, agency and consulting scientists who have expertise in some aspect of the Gila River’s hydrology and ecology. This larger team of scientists provided input on a review draft of this assessment at a workshop [...]


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Material Request Instructions

Desert Landscape Conservation Cooperative(Distributor)


The goal of project is to define the ecosystem water needs of the upper Gila River in New Mexico and to assess the probable ecosystem impact of the proposed diversion, considering current and projected future climate. The project identifies potential impacts of change on hydrological processes, riparian vegetation, and aquatic habitat and associated wildlife species. To achieve this goal, synthesis of existing scientific literature specific to the Gila River and southwestern rivers on hydrology; fluvial geomorphology and flood history; stream flow regimes and riparian vegetation ecology; and wildlife and flow relationships is carried out. New analyses of hydrologic, geomorphic, riparian vegetation and fish data are used to evaluate the probable ecosystem impact of diversions under changing climate conditions. Partners develop three flow scenarios: 1) climate change projections for streamflow for the Gila River, including timing and volume of peak flows and base flows; 2) a diversion scenario that compares diversion altered hydro graph (daily flows) to the historical hydrograph to quantify changes in magnitude, frequency, timing, and duration of flows; and 3) the combined effects of climate change and diversion on the flow regime. Upon completion of a background report that incorporates the literature synthesis, data analysis, and modeling, a flow-ecology workshop that gathers additional information about river function to develop flow-ecology response relationships for selected riparian and aquatic species will be conducted. Workshop results will be summarized in a final report.


  • Desert Landscape Conservation Cooperative
  • LC MAP - Landscape Conservation Management and Analysis Portal

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