Hughes RM, Herlihy AT, Kaufmann PR. 2010. An Evaluation of Qualitative Indexes of Physical Habitat Applied to Agricultural Streams in Ten U.S. States1. JAWRA Journal of the American Water Resources Association. 46(4):792-806.
OSU Authors: Hughes, Herlihy, Kauffman (courtesy)
Hughes RM, Herlihy AT, Gerth WJ, Pan Y. 2012. Estimating vertebrate, benthic macroinvertebrate, and diatom taxa richness in raftable Pacific Northwest rivers for bioassessment purposes. Environmental Monitoring and Assessment. 184(5):3185-3198.
OSU authors: Hughes, Herlihy, Gerth