Science Inventory

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SEMMENS, D. J., D. T. HEGGEM, D. W. EBERT, W. G. KEPNER, A. M. PITCHFORD, S. JARNAGIN, D. B. JENNINGS, J. D. WICKHAM, L. EXUM, AND D. NORTON. LANDSCAPE ASSESSMENT TOOLS FOR WATERSHED CHARACTERIZATION. Presented at BOSC Water Quality Program Review, Cincinnati, OH, January 01, 2005.

LOPEZ, R. D., M. S. NASH, D. T. HEGGEM, AND D. W. EBERT. USING LANDSCAPE ECOLOGY AND PARTIAL LEAST SQUARES PREDICITIONS TO MAP WATERSHEDS THAT ARE VULNERABLE TO NON-POINT SOURCE POLLUTION. Presented at Sigma Xi Conference, Research Triangle Park, NC, November 02 - 05, 2006.

LOPEZ, R. D., M. S. NASH, D. T. HEGGEM, AND D. W. EBERT. USING LANDSCAPE ECOLOGY AND PARTIAL LEAST SQUARES PREDICTIONS TO MAP WATERSHEDS THAT ARE VULNERABLE TO NON-POINT SOURCE POLLUTION. Presented at Poster/Sigma Xi Conference, RTP, NC, November 02 - 05, 2006.

LOPEZ, R. D., M. S. NASH, D. T. HEGGEM, L. BICE, E. EVANSON, L. WOODS, R. VAN REMORTEL, M. JACKSON, D. W. EBERT, AND T. HARRIS. WATER QUALITY VULNERABILITY IN THE OZARKS USING LANDSCAPE ECOLOGY METRICS: UPPER WHITE RIVER BROWSER (V2.0). U.S. Environmental Protection Agency, Washington, DC, EPA/600/C-06/017, 2006.

BRAMBLETT, R. G., T. R. JOHNSON, A. V. ZALE, AND D. T. HEGGEM. DEVELOPMENT AND EVALUATION OF A FISH ASSEMBLAGE INDEX OF BIOTIC INTEGRITY FOR NORTHWESTERN GREAT PLAINS STREAMS. TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY. American Fisheries Society, Bethesda, MD, 134:624-640, (2005).

Nash, M S., T G. Wade, D T. Heggem, AND J D. Wickham. DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? William G. Kepner, Jose L. Rubio, David A. Mouat, Fausto Pedrazzini (ed.), KLUWER ACADEMIC PUBLISHERS. Springer Science and Business Media B.V;Formerly Kluwer Academic Publishers B.V., , Germany, , 305-323, (2005).

NASH, M. S., T. G. WADE, D. T. HEGGEM, AND R. K. HALL. GRAZING POTENTIAL INDEX (GPI) AND SURFACE WATER QUALITY IN THE STATE OF OREGON: I. LIKELIHOOD OF ANIMAL PATHOGENIC PRESENCE USING ENTEROCOCCI. Presented at EPA 2005 Science Forum, Washington, DC, May 16, 2005.

KEPNER, W. G., T. D. SAJWAJ, D. T. HEGGEM, D. F. BRADFORD, AND E. J. EVANSON. NEVADA GEOSPATICAL DATA BROWSER. U.S. Environmental Protection Agency, Washington, DC, EPA/600/C-05/005, 2005.

PITCHFORD, A. M., D. T. HEGGEM, AND R. VANREMORTEL. NEW GIS WATERSHED ANALYSIS TOOLS FOR SOIL CHARACTERIZATION AND EROSION AND SEDIMENTATION MODELING. Presented at EPA GIS Working Group, Winter Park, CO, September 13 - 16, 2005.

HALL, R. K., R. WATKINS, D. T. HEGGEM, K. B. JONES, P. R. KAUFMANN, S. B. MOORE, AND S. J. GREGORY. QUANTIFYING STREAM STRUCTURAL PHYSICAL HABITAT ATTRIBUTES USING LIDAR AND HYPERSPECTRAL IMAGERY. Presented at USEPA Remote Sensing Landscape Characterization Workshop, Chicago, IL, November 01 - 03, 2005.

JONES, B., D. T. HEGGEM, D. W. EBERT, S. AUGUSTINE, A. SELLE, K. HERMANN, P. LEINENBACH, A. C. NEALE, T. G. WADE, AND R. D. VAN REMORTEL. SPATIAL INDICATORS OF ECOLOGICAL CONDITION IN THE WESTERN UNITED STATES. Presented at Society of Rangeland Management Annual Meeting, Special Symposium: Linkages Between Sustainable Rangelands Roundtables (SRR) Criteria and Agency Rangeland Inventory, Monitoring, and Reporting Efforts, Fort Worth, TX, February 05 - 11, 2005.

Edmonds, C M., R D. Lopez, D T. Heggem, D. W. Williams, AND K. L. Short. 15-METER LANDSAT ANALYSES OF THE MISSISSIPPI RIVER - MAP SERIES FROM HEADWATERS IN THE GULF OF MEXICO. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-03/084 (NTIS PB2004-104950), 2004.

Heggem, D T., A C. Neale, R. K. Hall, AND K B. Jones. A LANDSCAPE MODEL TO PREDICT TOTAL NITROGEN LEVELS IN SURFACE WATERS OF THE WILLAMETTE AND CENTRAL VALLEYS ECOREGION OF THE WESTERN UNITED STATES. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

Van Remortel, R. D., R. W. Maichle, D T. Heggem, AND A M. Pitchford. AUTOMATED GIS WATERSHED ANALYSIS TOOLS FOR RUSLE/SEDMOD SOIL EROSION AND SEDIMENTATION MODELING. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

Lopez, R D., D T. Heggem, J. Szykman, J G. Lyon, AND G J. Foley. BROAD SCALE APPROACHES FOR DEVELOPING INDICATORS OF AIR AND WATER QUALITY IN THE GREAT LAKES BASIN. Presented at Group on Earth Observations 5 Conference, Ottawa, Ontario, Canada, November 29-30, 2004.

Hall, R. K., J M. Omernik, A. J. Woods, S. A. Bryce, AND D T. Heggem. CLUSTER ANALYSIS OF GREAT BASIN ECOREGIONS USING R-EMAP STREAM DATA. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

Heggem, D T., T G. Wade, P. Leinenbach, S. Augustine, A R. Selle, A. Calderon, M. Viger, K A. Hermann, R. K. Hall, A. D. Weiss, AND V. Haack. DEMONSTRATION OF POTENTIAL GRAZING IMPACT TO WATER QUALITY IN THE WESTERN UNITED STATES. Presented at EPA Science Forum 2004, Washington, DC, June 1-3, 2004.

Hall, R. K., A R. Olsen, D T. Heggem, P. Husby, AND L. Chambers. DISTRIBUTION OF MERCURY IN USEPA REGION IX R-EMAP STUDY AREAS. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

NASH, M. S., T. G. WADE, D. T. HEGGEM, AND J. D. WICKHAM. DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCDAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? Presented at EnviroExpo: Moving Towards Balance Open House, Las Vegas, NV, December 09, 2004.

Nash, M S., D F. Bradford, S E. Franson, A C. Neale, W. G. Whitford, AND D T. Heggem. LIVESTOCK GRAZING EFFECTS ON ANT COMMUNITIES IN THE EASTERN MOJAVE DESERT, USA. ECOLOGICAL INDICATORS 4(3):199-213, (2004).

Hall, R. K., D T. Heggem, A C. Neale, R. D. Van Remortel, P Kaufmann, D. Hagans, AND J. Y. Hashimoto. MODELING PHYSICAL HABITAT PARAMETERS. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

JonesLepp, T, K E. Varner, AND D T. Heggem. MONITORING DIBUTYLTIN AND TRIPHENYLTIN IN FRESH WATERS AND FISH IN THE UNITED STATES USING MICRO-LIQUID CHROMATOGRAPHY-ELECTROSPRAY/ION TRAP MASS SPECTROMETRY. ARCHIVES OF ENVIRONMENTAL CONTAMINATION & TOXICOLOGY 46(1):90-95, (2004).

Leinenbach, P., S. Augustine, T G. Wade, T. Selle, A. Calderon, M. Viger, D T. Heggem, V. Haack, K A. Hermann, R. K. Hall, AND A. D. Weiss. POTENTIAL FOR WATER QUALITY DEGRADATION DUE TO CATTLE GRAZING IN OREGON. Presented at ESRI 2004 User Conference, San Diego, CA, August 9-13, 2004.

Wade, T G., P. Leinenbach, S. Augustine, A R. Selle, A. Calderon, M. Viger, D T. Heggem, K A. Hermann, R. K. Hall, A. D. Weiss, AND V. Haack. POTENTIAL GRAZING IMPACT TO WATER QUALITY IN THE WESTERN UNITED STATES. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.

Hall, R. K., R. Watkins, D T. Heggem, K B. Jones, AND P Kaufmann. QUANTIFYING STRUCTURAL PHYSICAL HABITAT ATTRIBUTES USING LIDAR AND HYPERSPECTRAL IMAGERY. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.