Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Datasets to evaluate the effects of reducing the standard count size on multimetric diatom indices of ecological condition for U.S. rivers and streams

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2022-11-22
The National Rivers and Stream Assessment 2008-2009 and 2013-2014 diatom datasets and associated site information. This dataset is associated with the following publication: Riato, L., J. Stoddard, A. Herlihy, and K. Blocksom. Reduced count size can provide a robust and more efficient diatom assessment of environmental conditions. Journal of Applied Ecology. Blackwell Publishing, Malden, MA, USA, 61(9): 2308-2320, (2024).

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov