Selenium assessment in aquatic ecosystems : a guide for hazard evaluation and water quality criteria

by Lemly, A. Dennis.
Published: Springer, 2002

Habitat suitability index model for brook trout in streams of the southern Blue Ridge province surrogate variables, model evaluation, and suggested improvements

by Schmitt, Christopher J.
Published: U.S. Dept. of the Interior, Fish and Wildlife Service ; National Technical Information Service [distributor], 1993