A Checklist of River Function Indicators for hydropower ecological assessment

Brenda May Pracheil, Ryan A. McManamay, Esther S. Parish, Shelaine L. Curd, Brennan T. Smith, Christopher R. DeRolph, Adam M. Witt, Shannon Ames, Mary Beth Day, Will Graf, Dana Infante, Dana N. McCoskey, Kelsey Rugani, Corey Vezina, Timothy Welch, Anna West

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Hydropower generation has advantages for societies that seek low-carbon, renewable energy alternatives, but sustainable hydropower production will require an explicit consideration of potential tradeoffs between socioeconomic and environmental priorities. These tradeoffs are often explored during a formal environmental impact assessment process that can be complex and controversial. The steps taken to address stakeholder concerns through impact hypotheses and field studies are not always transparent. We have created a Checklist of River Function Indicators to facilitate stakeholder discussions during hydropower licensing and to support more transparent, holistic, and scientifically informed hydropower environmental analyses. Based on a database of environmental metrics collected from hydropower project studies documented by the Federal Energy Regulatory Commission (FERC), the International Hydropower Association, the Low Impact Hydropower Institute, and peer-reviewed scientific literature, our proposed Checklist of River Function Indicators contains 51 indicators in six categories. We have tested the usefulness of the Indicators by applying them to seven hydropower projects documented by FERC. Among the case study projects, 44 of the 51 Indicators were assessed according to the FERC documentation. Even though each hydropower project presents unique natural resource issues and stakeholder priorities, the proposed Indicators can provide a transparent starting point for stakeholder discussions about which ecological impacts should be considered in hydropower planning and relicensing assessments.

Original languageEnglish
Pages (from-to)1245-1260
Number of pages16
JournalScience of the Total Environment
Volume687
DOIs
StatePublished - Oct 15 2019

Funding

This research was supported by the U.S. Department of Energy (DOE) under the Water Power Technologies Office. Oak Ridge National Laboratory is managed by UT-Battelle, LLC for DOE under contract DE-AC05-00OR22725 . Copyright Notice: This manuscript has been authored in part by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ).

Keywords

  • Ecological impacts
  • Ecological indicators
  • Hydropower

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