Science Inventory

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Nash, M., D. Bradford, J. Wickham, AND T. Wade. Detecting Change in Landscape Greenness over Large Areas: An Example for New Mexico, USA. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 150(0):152-162, (2014).

Boykin, K., W. Kepner, D. Bradford, R. Guy, D. Kopp, A. Leimer, E. Samson, F. East, A. Neale, AND K. Gergely. A National Approach for Mapping and Quantifying Habitat-based Biodiversity Metrics Across Multiple Spatial Scales . K. Boykin (ed.), ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, 33(0):139-147, (2013).

Bradford, D., K. Stanley, N. Tallent, D. Sparling, M. Nash, R. Knapp, L. McConnell, AND S. Simonich. Temporal and Spatial Variation of Atmospherically Deposited Organic Contaminants at High Elevation in Yosemite National Park, California, USA. E. Zeng (ed.), ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 32(0):517-525, (2013).

Bradford, D., R. Knapp, D. Sparling, M. Nash, K. Stanley, N. Tallent-Halsell, L. McConnell, AND S. Simonich. Pesticide Distributions and Population Declines of California, USA Alpine Frogs, Rana Muscosa and Rana Sierrae. Presented at 7th World Congress of Herpetology, Vancouver, BC, CANADA, August 08 - 14, 2012.

Boykin, K., W. Kepner, D. Bradford, R. Guy, D. Kopp, A. Leimer, E. Samson, F. East, A. Neale, AND K. Gergely. Quantifying and Mapping Habitat-Based Biodiversity Metrics Within an Ecosystem Services Framework. Presented at ACES Conference, Ft. Lauderdale, FL, December 10 - 14, 2012.

KEPNER, W. G., K. G. Boykin, D. F. BRADFORD, A. C. NEALE, A. K. Leimer, AND K. J. Gergely. Biodiversity Metrics. U.S. Environmental Protection Agency, Washington, DC, EPA/600/F-11/006, 2011.

Samson, E. A., W. G. KEPNER, A. K. Leimer, R. K. Guy, K. G. Boykin, B. G. BIERWAGEN, AND D. F. BRADFORD. Evaluating Biodiversity Response toForecasted Land Use Change: A Case Study in the South Platte River Basin, Colorado. Fourth Interagency Conference on REsearch in the Watersheds, Fairbanks, AK, September 25 - 30, 2011. C. Nicolas Medley, Glenn Patterson, and Melanie J. Parker (ed.), USGS STATUS AND TRENDS REPORT 2003. U.S. Geological Survey, Washington, DC, 56-62, (2011).

BRADFORD, D. F., J. L. Kramer, S. L. Gerstenberger, N. G. Tallent-Halsell, AND M. S. NASH. Mercury in Tadpoles Collected from Remote Alpine Sites in the Southern Sierra Nevada Mountains, California, USA. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY. Springer, New York, NY, 62:135-140, (2011).

BRADFORD, D. F., R. A. Knapp, D. W. Sparling, M. S. NASH, K. A. Stanley, N. G. TALLENT-HALSELL, L. L. McConnell, AND S. M. Simonich. Pesticide Distributions and Population Declines of California Alpine Frogs, Rana Muscosa and Rana Sierrae. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 30(3):682-691, (2011).

Hekkala, E. R., R. Saumure, J. R. Jaeger, H. Herrmann, M. Sredl, M. Culver, D. F. BRADFORD, D. Drabeck, AND M. J. Blum. Resurrecting an Extinct Species: Archival DNA, Taxonomy, and Conservation of the Vegas Valley Leopard Frog. CONSERVATION GENETICS. Springer Science+Business Media, 12:1379-1385, (2011).

MOMPLAISIR, G., C. G. ROSAL, E. M. HEITHMAR, K. E. VARNER, L. A. RIDDICK, D. F. BRADFORD, AND N. G. TALLENT-HALSELL. Development of a Solid Phase Extraction Method for Agricultural Pesticides in Large-Volume Water Samples. Journal of Separation Science. Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany, 81:1380-1386, (2010).

Boykin, K. G., W. G. KEPNER, D. F. BRADFORD, R. K. Guy, M. T. Calkins, K. J. Gergely, AND A. C. NEALE. Mapping Biodiversity Metrics Representing Ecosystem Services at the Landscape Scale in the American Southwest. Presented at American Association of Geographer 2010 Annual Meeting, Washington, DC, April 11 - 18, 2010.

BRADFORD, D. F., N. G. TALLENT-HALSELL, K. Stanley, L. McConnell, D. Sparling, M. S. NASH, S. Simonich, AND R. Knapp. Pesticides and Population Declines of California Alpine Frogs. Presented at Society for Environmental Toxicology and Chemistry, 2010 Annual Meeting, Portland, OR, November 07 - 11, 2010.

Olah-Hemmings, V., J. R. Jaeger, M. J. Sredl, M. A. Schlaepfer, R. D. Jennings, C. A. Drost, D. F. BRADFORD, AND B. R. Riddle. Phylogeography of Declining Relict and Lowland Leopard Frogs in the Desert Southwest of North America. JOURNAL OF ZOOLOGY. Oxford University Press, Cary, NC, 280:343-354, (2010).

BRADFORD, D. F., K. Stanley, L. L. McConnell, N. G. TALLENT-HALSELL, M. S. NASH, AND S. M. Simonich. Spatial Patterns of Atmospherically Deposited Organic Contaminants at High Elevation in the Southern Sierra Nevada Mountains, California. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 29(5):10-56-1066, (2010).

BRADFORD, D. F., K. Stanley, L. McConnell, N. G. TALLENT-HALSELL, M. S. NASH, AND S. Simonich. Spatial Patterns of Atmospherically Deposited Organic Contaminants at High Elevation in the Southern Sierra Nevada Mountains, California . Presented at Society for Environmental Toxicology and Chemistry 2010 Annual Meeting, Portland, OR, November 07 - 11, 2010.

BRADFORD, D. F., E. M. HEITHMAR, N. G. TALLENT-HALSELL, G. MOMPLAISIR, C. G. ROSAL, K. E. VARNER, M. S. NASH, AND L. A. RIDDICK. Temporal Patterns and Sources of Atmospherically Deposited Pesticides in Alpine Lakes of the Sierra Nevada, California , USA. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 44(10):4609-4614, (2010).

BRADFORD, D. F., N. G. TALLENT-HALSELL, K. Stanley, L. McConnell, D. Sparling, M. S. NASH, S. Simonich, AND R. Knapp. Airborne Pesticides as an Unlikely Cause for Population Declines of Alpine Frogs in the Sierra Nevada, California. Presented at American Society of Ichtyologists and Herpetologists, Portland, OR, July 22 - 27, 2009.

Stanley, K., S. Simonich, D. F. BRADFORD, C. Davidson, AND N. G. TALLENT-HALSELL. COMPARISON OF PRESSURIZED LIQUID EXTRACTION AND MATRIX SOLID PHASE DISPERSION FOR THE MEASUREMENT OF SEMI-VOLATILE ORGANIC COMPOUND ACCUMULATION IN TADPOLES. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 28(10):2038-2043, (2009).

BRADFORD, D. F., N. G. TALLENT-HALSELL, E. M. HEITHMAR, G. MOMPLAISIR, C. G. ROSAL, M. S. NASH, K. E. VARNER, AND L. A. RIDDICK. Temporal and Spatial Patterns of Airborne Contaminants Relative to Amphibian Population in Sequoia and Kings Canyon National Parks, California. Presented at Sierra Nevada - Southern Cascades Contaminants Workshop, Three Rivers, CA, April 08 - 09, 2009.

KEPNER, W. G. AND D. F. BRADFORD. THE NEVADA GEOSPATIAL DATA BROWSER. Presented at United States Geological Survey, Henderson, NV, May 21, 2008.

Boykin, K., D. F. BRADFORD, AND W. G. KEPNER. HABITAT DISTRIBUTION MODELS FOR 37 VERTEBRATE SPECIES IN THE MOJAVE DESERT ECOREGION OF NEVADA, ARIZONA, AND UTAH. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-08/117, 2008.

Boykin, K., D. F. BRADFORD, AND W. G. KEPNER. Presentation--HABITAT DISTRIBUTION MODELS FOR 37 VERTEBRATE SPECIES IN THE MOJAVE DESERT ECOREGION OF NEVADA, ARIZONA, AND UTAH. Presented at 2008 Annual Conference, Miami, FL, November 08 - 12, 2008.

BRADFORD, D. F., K. Stanley, L. McConnell, N. G. TALLENT-HALSELL, S. Simonich, R. Knapp, AND M. S. NASH. Spatial Patterns of Airborne Pesticides in the Alpine Habitat of a Declining Calfornia Amphibian, The Mountain Yellow-Legged Frog. Presented at California-Nevada Amphibian Populations Task Force Conference, San Diego, CA, January 10 - 11, 2008.

BRADFORD, D. F. Spatial Patterns of Airborne Pesticides in the Alpine Habitat of a Declining California Amphibian, The Mountain Yellow-Legged Frog. Presented at Sierra Nevada Alliance Workshop on State of Sierra Frogs, Sacramento, CA, July 24, 2008.