Previous Section: Implications for Water-Quality Monitoring and Assessment
Return to Table of Contents
Return to Home Page
Borchardt, M.A., 1996, Nutrients, in Stevenson, R.J., Bothwell, M.L., and Lowe, R.L., eds., Algal ecologyFreshwater benthic ecosystems: San Diego, Calif., Academic Press, Inc., p. 183227.
Fenneman, N.M., and Johnson, D.W., 1946,
Physical divisions of the United States: U.S. Geological Survey, accessed April
30, 2001,
http://water.usgs.gov/GIS/metadata/usgswrd/physio.html.
Fitzpatrick, F.A., Waite, I.R., DArconte, P.J., Meador, M.R., Maupin, MA, and Gurtz, M.E., 1998, Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program: U.S. Geological Survey Water-Resources Investigations Report 984052, p. 2126.
Goolsby, D.A., Boyer, L.L., and Mallard, G.E., eds., 1993, Selected papers on agricultural chemicals in water resources of the mid-continental United States: U.S. Geological Survey Open-File Report 93418, 89 p.
Johnson, R.K., Wiederholm, T., and Rosenberg, D.M., 1993, Fresh-water biomonitoring using individual organisms, populations, and species assemblages of benthic macroinvertebrates, in Rosenberg, D.M., and Resh, V.H., eds., Freshwater biomonitoring and benthic macroinvertebrates: New York, Chapman and Hall, p. 41158.
Klemm, D.J., Lewis, P.A., Fulk, F., and Lazorchak, J.M., 1990, Macroin-vertebrate field and laboratory methods for evaluating the biological integrity of surface waters: Cincinnati, Ohio, U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory, EPA/600/490/030, p. 207244.
Kolpin, D.W., and Kalkhoff, S.J., 1993, Atrazine degradation in a small stream in Iowa: Environmental Science and Technology, v. 27, p. 134139.
Lerch, R.N., Blanchard.P.E., and Thurman, E.M., 1998, Contribution of hydroxylated atrazine degradation products to the total atrazine load in Midwestern streams: Environmental Science and Technology, v. 32, p. 4048.
Osborne, L.L., and Kovacic, D.A., 1993, Riparian vegetated buffer strips in water-quality restoration and stream management: Freshwater Biology, v. 29, p. 243258.
Porter, S.D., 2000, Upper Midwest river systemsAlgal and nutrient conditions in streams and rivers in the upper Midwest region during seasonal low-flow conditions, in Nutrient Criteria Technical Guidance Manual, Rivers and Streams: Washington, D.C., U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, EPA822B00002, p. A25A42.
Sorenson, S.K., Porter, S.D., Akers, K.K.B., Harris, M.A., Kalkhoff, S.J., Lee, K.E., Roberts, L.R., and Terrio, P.J., 1999, Water quality and habitat conditions in upper Midwest streams relative to riparian vegetation and soil characteristics, August 1997Study design, methods, and data: U.S. Geological Survey Open-File Report 99202, 53 p.
Stauffer, J.C., Goldstein, R.M., and Newman, R.M., 2000, Relationship of wooded riparian zones and runoff potential to fish community composition in agricultural streams: Canadian Journal of Fisheries and Aquatic Sciences, v. 57, p. 307316.
Torrents, A., Anderson, B.G., Bilboulian, S., Johnson W.E., and Hapeman, C.J., 1997, Atrazine photolysisMechanistic investigations of direct and nitrate-mediated hydroxy radical processes and the influence of dissolved organic carbon from the Chesapeake Bay: Environmental Science and Technology, v. 31, p. 14751482.
Winter, T.C., Harvey, J.W., Franke, O.L., and Alley, W.M., 1998, Ground water and surface water A single resource: U.S. Geological Survey Circular 1139, 79 p.
AccessibilityFOIAPrivacyPolicies and Notices | |