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Records 51 to 75 of 95 records from author David Bradford

2005
KEPNER, W. G., T. D. SAJWAJ, D. F. BRADFORD, AND E. J. EVANSON. THE NEVADA GEOSPATIAL DATA BROWSER. Presented at Nationa Gap Analysis Conference and Interagency Symposium, Reno, NV, December 06 - 08, 2005.
KEPNER, W. G., T. D. SAJWAJ, D. F. BRADFORD, AND E. J. EVANSON. THE NEVADA GEOSPATIAL DATA BROWSER: A SPATIAL DATA ARCHIVE FOR THE SOUTHWEST REGIONAL GAP ANALYSIS PROJECT. Presented at Nationa Gap Analysis Conference and Interagency Symposium, Reno, NV, December 06 - 08, 2005.
2004
Bradford, D F. AMPHIBIAN DECLINES AND ENVIRONMENTAL CHANGE IN THE EASTERN "MOJAVE DESERT". Conference Proceedings, Spring-fed Wetlands: Important Scientific and Cultural Resources of Intermountain Region, Las Vegas, NV, May 07 - 09, 2003. D.W. Sada & S.E. Sharpe (ed.), Desert Research Institute, Reno, NV, 41210, (2004).
Kepner, W G., D F. Bradford, AND T. D. Sajwaj. AN APPROACH FOR DETERMINING REGIONAL LAND COVER AND SPECIES HABITAT CONSERVATION STATUS IN THE AMERICAN SOUTHWEST: THE SOUTHWEST REGIONAL GAP ANALYSIS PROJECT. Presented at 36th Annual Meeting of the Desert Fishes Council, Tucson, AZ, November 11-14, 2004.
Bradford, D F. AND W G. Kepner. AN APPROACH FOR DETERMINING REGIONAL LAND COVER AND SPECIES HABITAT DISTRIBUTIONS IN THE AMERICAN SOUTHWEST: THE SOUTHWEST REGIONAL GAP ANALYSIS PROJECT. Presented at Mojave Desert Science Symposium, Redlands, CA, November 16-18, 2004.
Carey, C., D F. Bradford, J. L. Brunner, J. P. Collins, E. W. Davidson, J. E. Longcore, A. P. Pessier, AND D. M. Schock. BIOTIC FACTORS IN AMPHIBIAN POPULATION DECLINES. 1st, Chapter 6, Greg Linder (ed.), Amphibian Decline: An Integrated Analysis of Multiple Stressor Effects. SETAC Press, Pensacola, FL, , 153-208, (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).
Bradford, D F. LOCAL SCALE FACTORS DETERMINE HABITAT PATCH OCCUPANCY BY RED-SPOTTED TOADS IN A NATURALLY FRAGMENTED DESERT LANDSCAPE. Presented at The Wildlife Society Annual Meeting, Calgary, CN, September 18-22, 2004.
Bradford, D F., A C. Neale, M S. Nash, D. W. Sada, AND J R. Jaeger. METAPOPULATION PROCESSES OF INFINITE DISPERSAL: HABITAT PATCH OCCUPANCY BY TOADS (BUFO PUNCTATUS) IN A NATURALLY FRAGMENTED DESERT LANDSCAPE. Presented at Mojave Desert Science Symposium, Redlands, CA, November 16-18, 2004.
Bradford, D F., A C. Neale, M S. Nash, D. W. Sada, AND J R. Jaeger. METAPOPULATION PROCESSES OR INFINITE DISPERSAL?: HABITAT PATCH OCCUPANCY BY TOADS (BUFO PUNCTATUS) IN A NATURALLY FRAGMENTED DESERT LANDSCAPE. Presented at Annual Meeting of Declining Amphibian Task Force, Reno, NV, January 15-16, 2004.
Bradford, D F., A C. Neale, M S. Nash, D. W. Sada, AND J R. Jaeger. METAPOPULATION PROCESSES OR INFINITE DISPERSAL?: HABITAT PATCH OCCUPANCY BY TOADS (BUFO PUNCTATUS) IN A NAUTRALLY FRAGMENTED DESERT LANDSCAPE. Presented at Annual Meeting of International Association for Landscape Ecology, Las Vegas, NV, March 31-April 3, 2004.
Bradford, D F., J R. Jaeger, AND R. D. Jennings. POPULATION STATUS AND DISTRIBUTION OF A DECIMATED AMPHIBIAN, THE RELICT LEOPARD FROG (RANA ONCA). SOUTHWESTERN NATURALIST 49(2):218-228, (2004).
BRADFORD, D. F. RENO, NV, JANUARY 15, 2004: FACTORS IMPLICATED IN AMPHIBIAN POPULATION DECLINES IN THE UNITED STATES. Presented at Annual Meeting of Declining Amphibian Task Force, Reno, NV, January 15 - 16, 2004.
Jaeger, J R., D F. Bradford, R. D. Jennings, AND B. R. Riddle. STATUS OF THE RELICT LEOPARD FROG (RANA ONCA): OUR LIMITED UNDERSTANDING OF THE DISTRIBUTION, SIZE, AND DYNAMICS OF EXTANT AND RECENTLY EXTINCT POPULATIONS. Presented at Annual Meeting of Declining Amphibian Task Force, Reno, NV, January 15-16, 2004.
2003
Rosal, C G., L A. Riddick, E M. Heithmar, G M. Momplaisir, K E. Varner, P. L. Ferguson, D F. Bradford, AND N G. TallentHalsell. ANALYSIS OF LOW-LEVEL PESTICIDES FROM HIGH-ELEVATION LAKE WATERS BY LARGE VOLUME INJECTION GCMS. Presented at Pittsburg Conference 2003, Orlando, FL, March 13, 2003.
Rosal, C G., L A. Riddick, E M. Heithmar, G M. Momplaisir, K E. Varner, P. L. Ferguson, D F. Bradford, AND N G. TallentHalsell. ANALYSIS OF LOW-LEVEL PESTICIDES FROM HIGH-ELEVATION LAKE WATERS BY LARGE-VOLUME INJECTION GCMS. Presented at Pittsburgh Confernece on Anlytical Chemistry and Applied Spectroscopy 2003, Orlando, FL, March 9-14, 2003.
Momplaisir, G M., K E. Varner, E M. Heithmar, C G. Rosal, L A. Riddick, P. L. Ferguson, B. Gentry, D F. Bradford, AND N G. TallentHalsell. DETERMINATION OF ULTRATRACE CONCENTRATIONS OF AGRICULTURAL PESTICIDES IN WATER USING SOLID-PHASE EXTRACTION AND ANALYSIS BY GC/MS. Presented at Pittsburgh Conference on Analytical Chemistry and Applied Spectrometry, Orlando, FL, March 9-14, 2003.
Bradford, D F. FACTORS IMPLICATED IN AMPHIBIAN POPULATION DECLINES IN THE UNITED STATES. Presented at Declining Amphibian Populations Task Force, Southwestern U.S. Working Group, Tucson, AZ, March 10, 2003.
Bradford, D F., A C. Neale, M S. Nash, D. W. Sada, AND J R. Jaeger. HABITAT PATCH OCCUPANCY BY THE TOADS (BUFO PUNCTATUS) IN A NATURALLY FRAGMENTED, DESERT LANDSCAPE. ECOLOGY 84(4):1012-1023, (2003).
Bradford, D F., A C. Neale, M S. Nash, D. W. Sada, AND J R. Jaeger. METAPOPULATION PROCESSES OF INFINITE DISPERSAL?: HABITAT PATCH OCCUPANCY BY TOADS (BUFO PUNCTATUS) IN A NATURALLY FRAGMENTED DESERT. Presented at Annual Meeting of Desert Fishes Council, Death Valley National Park, NV, November 22-23, 2003.
Sajwaj, T. D., W G. Kepner, D F. Bradford, AND C T. Herndon. SACRIFICING THE ECOLOGICAL RESOLUTION OF VEGETATION MAPS AT THE ALTAR OF THEMATIC ACCURACY: ASSESSED MAP ACCURACIES FOR HIERARCHICAL VEGETATION CLASSIFICATIONS IN THE EASTERN GREAT BASIN OF THE SOUTHWEST REGIONAL GAP ANALYSIS PROJECT (SW REGAP). Presented at 13th Annual National Gap Analysis Program Meeting, Fort Collins, CO, October 7-10, 2003.
Sajwaj, T. D., W G. Kepner, AND D F. Bradford. TESTING TREE-CLASSIFIER VARIANTS AND ALTERNATE MODELING METHODOLOGIES IN THE EAST GREAT BASIN MAPPING UNIT OF THE SOUTHWEST REGIONAL GAP ANALYSIS PROJECT (SW REGAP). Presented at 13th Annual National Gap Analysis Program Meeting, Fort Collins, CO, October 7-10, 2003.
Varner, K E., G M. Momplaisir, N G. TallentHalsell, D F. Bradford, P. L. Ferguson, L A. Riddick, C G. Rosal, AND E M. Heithmar. THE CHALLENGE OF ACQUIRING ALPINE LARGE VOLUME LAKE WATER SAMPLES FOR ULTRA TRACE LEVEL ANALYSIS. Presented at On-Site 11th International Conference, Phoenix, AZ, January 21-24, 2003.
2002
Bradford, D F. FACTORS ADVERSELY AFFECTING AMPHIBIAN POPULATIONS IN THE US. Presented at Annual Meeting of the Wildlife Society, Western Section, Visalia, CA, March 7-8, 2002.
Bradford, D F. FACTORS IMPLICATED IN AMPHIBIAN POPULATION DECLINES IN THE US, AND AN EVALUATION OF THE CASE FOR INVASIVE SPECIES. Presented at Annual meeting of the Society for Northwestern Vertebrate Biology, Hood River, OR, April 4, 2002.