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2023
Fritz, K., R. Kashuba, G. Pond, J. Christensen, L. Alexander, B. Washington, B. Johnson, D. Walters, W. Thoeny, AND P. Weaver. Identifying invertebrate indicators for streamflow duration assessments in forested headwater streams. Freshwater Science. The Society for Freshwater Science, Springfield, IL, 42(3):247-267, (2023). https://doi.org/10.1086/726081
Burke, R., K. Fritz, B. Johnson, AND R. Price. Mountaintop Removal Coal Mining Impacts on Structural and Functional Indicators in Central Appalachian Streams. Frontiers in Water. Frontiers, Lausanne, Switzerland, 4:988061, (2023). https://doi.org/10.3389/frwa.2022.988061
Nietch, C., N. Smucker, L. Gains-Germain, C. Peck, S. Guglielmi, S. Decelles, J. Lazorchak, B. Johnson, AND P. Weaver. Using Single-Species and Whole Community Stream Mesocosm Exposures for Identifying Major Ion Effects in Doses Mimicking Resource Extraction Wastewaters. WATER. MDPI, Basel, Switzerland, 15(2):249, (2023). https://doi.org/10.3390/w15020249
2022
Grudzinski, B., K. Fritz, H. Golden, Tamara Newcomer Johnson, J. Rech, J. Levy, J. Fain, J. McCarthy, B. Johnson, T. Vang, AND K. Maurer. A global review of beaver dam impacts: Stream conservation implications across biomes. Global Ecology and Conservation. Elsevier B.V., Amsterdam, Netherlands, 37:e02163, (2022). https://doi.org/10.1016/j.gecco.2022.e02163
Smucker, N., E. Pilgrim, H. Wu, C. Nietch, J. Darling, M. Molina, B. Johnson, AND L. Yuan. Characterizing temporal variability in streams supports nutrient indicator development using diatom and bacterial DNA metabarcoding. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 831:154960, (2022). https://doi.org/10.1016/j.scitotenv.2022.154960
Pilgrim, E., N. Smucker, H. Wu, J. Martinson, C. Nietch, M. Molina, J. Darling, AND B. Johnson. Developing Indicators of Nutrient Pollution in Streams Using 16S rRNA Gene Metabarcoding of Periphyton-Associated Bacteria. WATER. MDPI, Basel, Switzerland, 14(15):2361, (2022). https://doi.org/10.3390/w14152361
2021
Smucker, N., E. Pilgrim, C. Nietch, J. Darling, H. Wu, M. Molina, AND B. Johnson. Characterizing temporal variation in diatom rbcL sequences in streams to inform nutrient indicator development using DNA metabarcoding. IDS 2021 – Online International Diatom Symposium, Virtual, JAPAN, August 23 - 25, 2021.
Fritz, K., B. Washington, G. Pond, J. Christensen, L. Alexander, R. Kashuba, AND B. Johnson. Identifying Invertebrate Indicators for Streamflow Duration Assessment Methods. 2021 Society for Freshwater Science Annual Meeting, Virtual, May 23 - 27, 2021.
2020
Smucker, N., E. Pilgrim, C. Nietch, J. Darling, AND B. Johnson. DNA metabarcoding effectively quantifies diatom responses to nutrients in streams. ECOLOGICAL APPLICATIONS. Ecological Society of America, Ithaca, NY, 30(8):e02205, (2020). https://doi.org/10.1002/eap.2205
2019
Pilgrim, E., N. Smucker, C. Nietch, J. Darling, AND B. Johnson. A Preliminary Look At DNA Metabarcoding Stream and River Diatoms in a National Survey. 2019 Society of Freshwater Science Annual Meeting, Salt Lake City, Utah, May 19 - 24, 2019.
Fritz, K., G. Pond, B. Johnson, AND C. Barton. Coarse particulate organic matter dynamics in ephemeral tributaries of a Central Appalachian stream network. Ecosphere. ESA Journals, 10(3):e02654, (2019). https://doi.org/10.1002/ecs2.2654
Fritz, K., Gregory Pond, B. Johnson, AND C. Barton. Connectivity of ephemeral tributaries to a Central Appalachian stream through storage and supply of particulate organic matter resources. Invited seminar at Department of Geography, Miami University, Oxford, Ohio, April 30, 2019.
Johnson, B., E. Smith, J. Ackerman, S. Dye, R. Polinsky, E. Somerville, C. Decker, D. Little, G. Pond, AND E. DAmico. Spatial Convergence in Major Dissolved Ion Concentrations and Implications of Headwater Mining for Downstream Water Quality. JAWRA. American Water Resources Association, Middleburg, VA, 55(1):247-258, (2019). https://doi.org/10.1111/1752-1688.12725
2018
Fritz, K., G. Pond, B. Johnson, AND C. Barton. Ephemeral tributaries functionally connected to a Central Appalachian stream through asynchronicity of flow and particulate organic matter input. 2018 Universities Council on Water Resources, Pittsburgh, PA, June 26 - 28, 2018.
Burke, R., K. Fritz, AND B. Johnson. Impacts of mountaintop removal coal mining on carbon and nitrogen cycling in West Virginia headwater streams. 6th Interagency Conference on Research in the Watersheds, Sheperdstown, West Virginia, July 23 - 27, 2018.
2017
Fritz, K., G. Pond, AND B. Johnson. Particulate organic matter dynamics in ephemeral tributaries of a Central Appalachian stream. 2017 Society for Freshwater Science Annual Meeting, Raleigh, North Carolina, June 04 - 08, 2017.
2016
Lazorchak, Jim, C. Nietch, H. Haring, B. Johnson, P. Weaver, B. Ramakrishan, D. Macke, K. Daniels, S. Decelles, D. Brown, K. Wyatt, AND C. Impellitteri. Comparing Single species Toxicity Tests to Mesocosm Community-Level Responses to Total Dissolved Solids Comprised of Different Major Ions. SETAC Europe 2016, Nantes, FRANCE, May 22 - 26, 2016.
Pond, G., K. Fritz, AND B. Johnson. Macroinvertebrate and organic matter export from headwater tributaries of a Central Appalachian stream. HYDROBIOLOGIA. Springer, New York, NY, , 1-17, (2016).
Nietch, C., Jim Lazorchak, B. Johnson, N. Smucker, P. Weaver, S. DeCelles, AND S. Guglielmi. Parallel single-species and stream mesocosm exposures for grading major ion effects in doses mimicking energy extraction produced waters. To be Presented at 2016 Fourth Aquatic Toxicology Symposium, Bar Harbor, ME, June 07 - 09, 2016.
Nietch, C., Jim Lazorchak, B. Johnson, AND P. Weaver. Stream mesocosm response sensitivities to simulated ion stress in produced waters from resource extraction activities. Presented at SETAC North America Focused Topic Meeting: Environmental Quality Implications of Unconventional Natural Gas Development, Denton, TX, March 17 - 19, 2016.
2015
Weaver, P., K. Struewing, Jim Lazorchak, S. DeCelles, D. Funk, D. Buckwalter, AND B. Johnson. Part 1: Laboratory Culture of Centroptilum triangulifer (Ephemeroptera: BAETIDAE) Using a Standardized Diet of Three Diatoms. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, 139(11):589-596, (2015).
Struewing, K., P. Weaver, Jim Lazorchak, B. Johnson, D. Funk, AND D. Buckwalter. Part 2: Sensitivity comparisons of the insect Centroptilum triangulifer to Ceriodaphnia dubia and Daphnia magna using standard reference toxicants; NaCl, KCl and CuSO4. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, 139(11):597-603, (2015).
Mravik, S. AND B. Johnson. Protecting Water While Developing Energy and Mineral Resources. 2015 BOSC SSWR Subcommittee Review, Cincinnati, OH, August 27 - 28, 2015.
2014
Nietch, C., Jim Lazorchak, B. Johnson, Joel Allen, AND P. Weaver. COMMUNITY SCALE STREAM TAXA SENSITIVITIES TO DIFFERENT COMPOSITIONS OF EXCESS TOTAL DISSOLVED SOLIDS. Presented at Joint Aquatc Sciences Meeting, Portland, OR, May 18 - 23, 2014.
Nietch, C., Jim Lazorchak, B. Johnson, AND Joel Allen. Evaluation of Total Dissolved Solids and Specific Conductance Water Quality Targets with Paired Single-Species and Mesocosm Community Exposures. Presented at Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting, Vancouver, BC, CANADA, November 09 - 13, 2014.
Burke, R., K. Fritz, C. Barton, B. Johnson, S. Fulton, D. Hardy, D. Word, AND J. Jack. Impacts of Mountaintop Removal and Valley Fill Coal Mining on C and N Processing in Terrestrial Soils and Headwater Streams. WATER, AIR, & SOIL POLLUTION. Springer, New York, NY, 225(8):225:2081, (2014).
2013
Nietch, C., Jim Lazorchak, B. Johnson, B. Ramakrishnan, P. Weaver, D. Macke, K. Daniels, S. DeCelles, D. Brown, AND C. Impellitteri. Community-Level Effects of Excess Total Dissolved Solids Doses Using Model Streams. Presented at Society of Environmental Toxicology and Chemistry, Nashville, TN, November 17 - 21, 2013.
Johnson, B., K. Fritz, AND R. Price. Estimating benthic secondary production from aquatic insect emergence in streams affected by mountaintop removal coal mining, West Virginia USA. Fundamental and Applied Limnology. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, Germany, 182(3):191-204, (2013).
2012
Nietch, C., Jim Lazorchak, B. Johnson, D. Brown, B. Ramakrishnan, H. Rogers, P. Weaver, D. Macke, Joel Allen, K. Daniels, S. Decelles, AND K. Patnode. A Mesoscale Total Dissolved Solids Quantity and Quality Study Integrating Responses of Multiple Biological Components in Small Stream Communities. Presented at Society of Environmental Toxicology and Chemistry Annual Meeting, November 11 - 15, 2012.
FRITZ, K. M., B. R. JOHNSON, AND DAVID M. WALTERS. Characterization and classification of invertebrates as indicators of flow permanence in headwater streams. Presented at Society for Freshwater Science Annual Meeting, Louisville, KY, May 20 - 24, 2012.
JOHNSON, B. R., P. Weaver, K. Hammer, J. M. LAZORCHAK, AND D. Funk. Growth and survivorship of the mayfly Centroptilum triangulifer (Ephemeroptera: Baetidae) exposed to elevated specific conductance in flow-through mesocosms. Presented at Society for Freshwater Science Annual Meeting, Louisville, KY, May 20 - 24, 2012.
Entrekin, S., G. Adams, R. Adams, B. Austin, M. Evans-White, C. Gallipeau, E. Hagenbuch, B. Haggard, E. Inland, N. Jensen, B. R. JOHNSON, J. Kelso, L. Lewis, L. Massey, AND L. Stearman. Rapid gas development in the Fayetteville shale basin, Arkansas. Presented at Society for Freshwater Science, Louisville, KY, May 20 - 24, 2012.
2011
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. D. Barton, J. D. Jack, D. A. Word, AND R. A. BURKE. An Assessment of Cellulose Filters as a Standardized Material for Measuring Litter Breakdown in Headwater Streams . ECOHYDROLOGY. Wiley Interscience, Malden, MA, 4(3):469-476, (2011).
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. D. Barton, J. D. Jack, D. A. Word, AND R. A. BURKE. An assessment of cellulose filters as a standardized material for measuring litter breakdown in headwater streams. ECOHYDROLOGY. Wiley Interscience, Malden, MA, 4(3):469-476, (2011).
LAZORCHAK, J. M., P. C. Weaver, K. A. Hammer, B. R. JOHNSON, C. T. NIETCH, D. Funk, AND D. Buckwalter. Comparative sensitivity of centroptilum triangulifer, ceriodaphnia dubia and daphnia magna to standard salt and copper reference toxicants. Presented at SETAC, Boston, MA, November 13 - 17, 2011.
FRITZ, K. M. AND B. R. JOHNSON. Headwater streams - what are they and what do they do? Presented at Appalachian Stream Mitigation Workshop, Lexington, KY, April 11 - 15, 2011.
Entrekin, S., M. Evans-White, B. R. JOHNSON, AND E. Hagenbuch. Natural gas development in shale reservoirs poses a threat to the health of surface waters. FRONTIERS IN ECOLOGY AND THE ENVIRONMENT. Ecological Society of America, Ithaca, NY, 9(9):503-511, (2011).
2010
JOHNSON, B. R., K. M. FRITZ, R. Price, C. F. Maxwell, E. Benfield, AND J. R. Webster. Assessment of corn and banana leaves as potential standardized substrates for leaf decomposition in streams affected by mountaintop removal coal mining, West Virginia, USA. Presented at North American Benthological Society, Sante Fe, NM, June 06 - 11, 2010.
JOHNSON, B. R. Effects of mountaintop removal coal mining on structure and function of Appalachian headwater streams. Presented at UK Forestry Department Seminar, Lexington, KY, January 28, 2010.
FRITZ, K. M., B. R. JOHNSON, AND R. Price. Export of detritus and invertebrate from headwater streams: linking mountaintop removal and valley fill coal mining to downstream receiving waters. Presented at North American Benthological Society, Sante Fe, NM, June 06 - 11, 2010.
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. D. Barton, J. D. Jack, D. A. Word, AND R. A. BURKE. Structural and Functional Characteristics of Natural and Constructed Channels Draining a Reclaimed Mountaintop Removal and Valley Fill Coal Mine . JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY. North American Benthological Society, Lawrence, KS, 29(2):673-689, (2010).
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. D. Barton, J. D. Jack, D. A. Word, AND R. A. BURKE. Structural and functional characteristics of natural and constructed channels draining a reclaimed mountaintop removal and valley fill coal mine. JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY. North American Benthological Society, Lawrence, KS, 29(2):673-689, (2010).
JOHNSON, B. R., A. Haas, AND K. M. FRITZ. Use of spatially explicit physicochemical data to measure downstream impacts of headwater stream disturbance. WATER RESOURCES RESEARCH. American Geophysical Union, Washington, DC, 46:W09526, (2010).
2009
BLOCKSOM, K. A. AND B. R. JOHNSON. Development of a regional macroinvertebrate index for large river bioassessment. ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, 9(2):313-328, (2009).
FRITZ, K. M., B. R. JOHNSON, M. PASSMORE, AND G. POND. Ecological consequences of elevated total dissolved solids associated with fossil fuel extraction in the United States. Presented at Thomas More College Ohio River Field Station Summer Seminar Series, California, KY, August 12, 2009.
COMPTON, J. E., R. L. DENNIS, H. A. WALKER, W. B. MILSTEAD, S. J. JORDAN, B. H. HILL, K. M. FRITZ, R. DEVEREUX, B. R. JOHNSON, J. BEAULIEU, J. S. LATIMER, J. Lynch, R. WAITE, AND C. Davis. Ecosystem Services Research Program, Pollutant Specific Studies: Nitrogen Regulations Services Implementation Plan. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-09/091, 2009.
JOHNSON, B. R., K. M. FRITZ, AND R. Price. Estimating benthic secondary production from aquatic insect emergence in streams affected by mountaintop removal coal mining, West Virginia, USA. Presented at North American Benthological Society, Grand Rapids, MI, May 17 - 22, 2009.
FRITZ, K. M., B. R. JOHNSON, AND R. Price. Hydrolytic activity and metabolism of sediment and epilithon in streams draining mountaintop removal coal mining, West Virginia, U.S.A. Presented at Southeastern Water Pollution Biologists Association 2009 Annual Meeting, Frankfort, KY, October 20 - 22, 2009.
JOHNSON, B. R., K. M. FRITZ, K. A. BLOCKSOM, AND DAVID M. WALTERS. Larval salamanders and channel geomorphology are indicators of hydrologic permanence in forested headwater streams. ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, 9(1):150-159, (2009).
FRITZ, K. M., B. R. JOHNSON, AND R. Price. Sediment and epilithon metabolism and hydrolytic activity in streams affected by mountaintop removal coal mining, West Virginia, U.S.A. Presented at North American Benthological Society, 57 Annual Meeting, Grand Rapids, MI, May 17 - 22, 2009.
2008
RYBCZYNSKI, S., DAVID M. WALTERS, K. M. FRITZ, AND B. R. JOHNSON. Comparing trophic position of stream fishes using stable isotope and gut contents analyses. Ecology of Freshwater Fish. Blackwell Publishing, Malden, MA, 17(2):199-206, (2008).
JOHNSON, B. R., K. M. FRITZ, AND R. Price. Development of rapid methods for measuring stream ecosystem functions in the Appalachian coal mining region: preliminary results. Presented at West Virginia Coal Association, Charleston, WV, December 11, 2008.
BURKE, R. A., K. M. FRITZ, B. R. JOHNSON, S. FULTON, AND C. Barton. Impact of Mountaintop Mining/Valley Fill on the Stable Carbon Isotopic Composition and Concentration of Dissolved Organic Carbon and Dissolved Inorganic Carbon in Headwater Streams. Presented at 6th International Conference on Applications of Stable Isotope Techniques to Ecological Studies, Honolulu, HI, August 25 - 29, 2008.
FRITZ, K. M., B. R. JOHNSON, AND DAVID M. WALTERS. Physical indicators of hydrologic permanence in forested headwater streams. JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY. North American Benthological Society, Lawrence, KS, 27(3):690-704, (2008).
JOHNSON, B. R., K. M. FRITZ, AND R. Price. Regional methods program: Development of rapid measures of stream ecosystem functions in the Appalachian mining region. Presented at Biological Advisory Committee Annual Meeting, Fort Meade, MD, October 09 - 11, 2008.
BURKE, R. A., K. M. FRITZ, B. R. JOHNSON, S. FULTON, AND C. Barton. Relationship Between Watershed Land Use and Denitrification Enzyme Activity in Headwater Streams. Presented at Denitrification Research Coordination Network Workshop, Cambridge, MD, May 27 - 30, 2008.
2007
JOHNSON, B. R. AND K. A. BLOCKSOM. A COMPARISON OF BENTHIC MACROINVERTEBRATE SAMPLING METHODS ON SELECTED LARGE RIVER TRIBUTARIES TO THE MISSISSIPPI. Presented at SWIMS Conference , Chicago, IL, January 30 - February 01, 2007.
JOHNSON, B. R. AND K. A. BLOCKSOM. ASSESSMENT OF NONWADEABLE TRIBUTARIES TO THE OHIO AND MISSISSIPPI RIVERS USING THE MACROINVEREBRATE LARGE RIVER BIOASSESSMENT PROTOCOL (MLR-BP). Presented at Association of Mid-Atlantic Aquatic Biologists Annual Meeting, Berkeley Springs, WV, April 03 - 05, 2007.
BLOCKSOM, K. A. AND B. R. JOHNSON. DEVELOPMENT OF MACROINVERTEBRATE INDICATORS FOR NONWADEABLE TRIBUTARIES TO THE OHIO AND MISSISSIPPI RIVERS. Presented at SWIMS Conference, Chicago, IL, January 30 - February 01, 2007.
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. BARTON, J. JACK, D. WORD, AND R. A. BURKE. DO POST-MINING CONSTRUCTED CHANNELS REPLACE FUNCTIONAL ATTRIBUTES OF HEADWATER STREAMS? Presented at North American Benthological Society, Columbia, SC, June 03 - 07, 2007.
JOHNSON, B. R., K. M. FRITZ, AND R. Price. Development of rapid methods for measuring stream ecosystem functions.
FRITZ, K. M., S. FULTON, B. R. JOHNSON, C. Barton, J. Jack, D. Word, AND R. A. BURKE. Do post-mining constructed channels replace functional characteristics of headwater streams? Presented at Mid-Atlantic Stream Restoration Conference, Cumberland, MD, November 07 - 08, 2007.
JOHNSON, B. R., A. HAAS, AND K. M. FRITZ. USE OF GEOSPATIAL DATA TO PREDICT DOWNSTREAM IMPACTS OF COAL MINING IN AN APPALACHIAN WATERSHED. Presented at North American Benthological Society, Columbia, SC, June 03 - 07, 2007.
JOHNSON, B. R., A. HAAS, AND K. M. FRITZ. USE OF GEOSPATIAL DATA TO PREDICT DOWNSTREAM IMPACTS OF COAL MINING IN AN APPALACHIAN WATESHED. Presented at Association of Mid-Atlantic Aquatic Biologists, Berkeley Springs, WV, April 04 - 05, 2007.
JOHNSON, B. R., A. HAAS, AND K. M. FRITZ. Use of geospatial data to predict downstream influence of coal mining in Appalachia. Presented at Mid-Atlantic Stream Restoration Conference, Cumberland, MD, November 07 - 08, 2007.
2006
RYBCZYNSKI, S., DAVID M. WALTERS, K. M. FRITZ, AND B. R. JOHNSON. CORRESPONDENCE OF STABLE ISOTOPE AND GUT CONTENTS ANALYSES IN DETERMINING TROPHIC POSITION OF STREAM FISHES. Presented at North American Benthological Society, Anchorage, AK, June 04 - 09, 2006.
FRITZ, K. M. AND B. R. JOHNSON. DEVELOPMENT OF RAPID FUNCTIONAL METHODS FOR HEADWATER STREAMS. Presented at Biological Advisory Committee Meeting, Seattle, WA, October 02 - 05, 2006.
BURKE, R. A., S. FULTON, K. M. FRITZ, B. R. JOHNSON, AND C. BARTON. EFFECTS OF MOUNTAINTOP MINING/VALLEY FILL (MTM/VF) ON FUNCTIONAL INDICATORS IN APPALACHIAN HEADWATER STREAMS. Presented at EPA Regional Science Workshop on Headwaters and Associated Wetlands in the Mid-Atlantic Highlands Region, Philadelphia, PA, June 20 - 21, 2006.
ANGRADI, T. R., B. SCHWEIGER, B. H. HILL, D. W. BOLGRIEN, J. M. LAZORCHAK, E. B. EMERY, T. M. JICHA, J. A. THOMAS, D. J. KLENN, S. A. PETERSON, D. WALTERS, B. R. JOHNSON, AND M. BAGLEY. ENVIRONMENTAL MONITORING AND ASSESSMENT - GREAT RIVER ECOSYSTEMS PROGRAM (EMAP-GRE) GREAT RIVER ECOSYSTEMS FIELD OPERATIONS MANUAL. U.S. Environmental Protection Agency, Washington, DC, EPA/620/R-06/002, 2006.
FRITZ, K. M., B. R. JOHNSON, AND DAVID M. WALTERS. FIELD OPERATIONS MANUAL FOR ASSESSING THE HYDROLOGIC PERMANENCE AND ECOLOGICAL CONDITION OF HEADWATER STREAMS. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-06/126 (NTIS PB2007-100972), 2006.
SANTO-DOMINGO, J., S. GLASSMEYER, O. C. SHANKS, C. A. KELTY, Y. OLIVAS, R. A. HAUGLAND, M. MOLINA, J. PAAR, R. B. LANDY, B. R. JOHNSON, AND B. SMITH. IDENTIFICATION OF SOURCES OF FECAL POLLUTION IN ENVIRONMENTAL WATERS. Presented at BOSC review on WQ, Cincinnati, OH, January 25 - 27, 2006.
FRITZ, K. M. AND B. R. JOHNSON. INVERTEBRATE ASSEMBLAGES FROM HEADWATER STREAMS WITH DIFFERENT FLOW PERMANENCE. Presented at North American Benthological Society, Anchorage, AK, June 04 - 09, 2006.
JOHNSON, B. R., J. WALLACE, AND A. D. ROSEMOND. LARVAL SALAMANDER GROWTH RESPONDS TO ENRICHMENT OF A NUTRIENT POOR HEADWATER STREAM. HYDROBIOLOGIA. Springer, New York, NY, 573:227-232, (2006).
JOHNSON, B. R., K. A. BLOCKSOM, AND J. E. FLOTEMERSCH. MACROINVERTEBRATE ASSEMBLAGES OF THE ST. CROIX AND WISCONSIN RIVERS: AN INITIAL APPLICATION OF THE LARGE RIVER BIOASSESSMENT PROTOCOL (LR-BP) IN EPA REGION 5. Presented at Association of Mid-Atlantic Aquatic Biologists Workshop , Berkeley Springs, WV, March 22 - 24, 2006.
JOHNSON, B. R., K. A. BLOCKSOM, AND J. E. FLOTEMERSCH. MACROINVERTEBRATE ASSEMBLAGES OF THE ST. CROIX AND WISCONSIN RIVERS: AN INITIAL APPLICATION OF THE LARGE RIVER BIOASSESSMENT PROTOCOL (LR-BP) IN THE MIDWESTERN UNITED STATES. Presented at 2nd International Symposium on Ecology and Biodiversity in Large Rivers of Northeast Asia and Western North America, Harbin, CHINA, September 25 - 29, 2006.
JOHNSON, B. R., K. A. BLOCKSOM, AND J. E. FLOTEMERSCH. REGIONAL METHODS PROGRAM: DEVELOPMENT OF LARGE RIVER BIOASSESSMENT PROTOCOLS (LR-BP) FOR BENTHIC MACROINVERTEBRATES. Presented at Biological Advisory Committee Meeting, Seattle, WA, October 02 - 05, 2006.
WOOTEN, M. S., B. R. JOHNSON, AND E. B. EMERY. TEMPORAL VARIATION IN OHIO RIVER MACROINVERTEBRATES: A HISTORICAL ROCK BASKET COMPARISON (1965-1971 AND 2002). JOURNAL OF FRESHWATER ECOLOGY. Oikos Publishers Incorporated, La Crosse, WI, 21(4):561-574, (2006).
2005
WOOTEN, M., E. EMERY, B. R. JOHNSON, AND K. A. BLOCKSOM. A METHODS COMPARISON FOR COLLECTING MACROINVERTEBRATES IN THE OHIO RIVER. Presented at North American Benthological Society, New Orleans, LA, May 22 - 28, 2005.
JOHNSON, B. R. AND K. M. FRITZ. ARE SALAMANDERS USEFUL INDICATORS OF HYDROLOGIC PERMANENCE IN HEADWATER STREAMS? Presented at North American Benthological Society, New Orleans, LA, May 23 - 27, 2005.
BIALES, A. D., B. R. JOHNSON, J. E. FLOTEMERSCH, E. EMERY, AND J. M. LAZORCHAK. ASSESSING ENDOCRINE-DISRUPTING CHEMICAL EXPOSURE IN INDIGENOUS AQUATIC POPULATIONS IN THE OHIO RIVER. Presented at 2005 EPA Science Form, Washington, DC, May 16 - 18, 2005.
JOHNSON, B. R., E. EMERY, J. THOMAS, J. M. LAZORCHAK, J. E. FLOTEMERSCH, K. A. BLOCKSOM, AND C. YODER. BIOLOGICAL ASSESSMENT OF LARGE RIVERS IN THE U.S. ENVIRONMENTAL PROTECTION AGENCY REGION 5: AN INTER-AGENCY COLLABORATION. Presented at 2005 EPA Science Forum, Washington, DC, May 16 - 18, 2005.
WALTERS, DAVID M., K. M. FRITZ, B. R. JOHNSON, S. RYBCZYNSKI, AND J. M. LAZORCHAK. CARBON, CONTAMINANTS AND CREEKS: USING STABLE ISOTOPES AND PCBS TO TRACK ENERGY FLOW THROUGH STREAM FOODWEBS. Presented at University of Georgia Institute of Ecology, Athens, GA, November 04, 2005.
FLOTEMERSCH, J. E., K. A. BLOCKSOM, AND B. R. JOHNSON. DEVELOPMENT OF A LARGE RIVER BIOASSESSMENT PROTOCOL (LR-BP) FOR MACROINVERTEBRATES: PILOT RESULTS FROM MIDWESTERN RIVERS. Presented at Northwest Biological Assessment Workshop, Townsend, WA, November 02 - 04, 2005.
JOHNSON, B. R., K. A. BLOCKSOM, AND J. E. FLOTEMERSCH. DEVELOPMENT OF LARGE RIVER BIOASSESSMENT PROTOCOLS (LR-BP) FOR BENTHIC MACROINVERTEBRATES IN EPA REGION 5. Presented at Mid-Atlantic Aquatic Biologists Workshop, Berkeley Springs, WV, March 24 - 25, 2005.
FRITZ, K. M., B. R. JOHNSON, R. A. BURKE, P. J. WIGINGTON JR, B. H. HILL, C. T. NIETCH, AND R. J. BRUINS. ESTABLISHING THE IMPORTANCE OF HEADWATER STREAMS: CONCEPTS AND PRELIMINARY APPLICATIONS. Presented at Headwaters Workgroup, AWRA Meeting, Seattle, WA, November 09, 2005.
FRITZ, K. M., B. R. JOHNSON, AND D. M. WALTERS. FACTORS CONTROLLING HYDROLOGIC PERMANENCE OF HEADWATER STREAMS. Presented at North American Benthological Society, New Orleans, LA, May 23 - 27, 2005.
FRITZ, K. M., B. R. JOHNSON, AND DAVID M. WALTERS. FACTORS CONTROLLING THE HYDROLOGIC PERMANENCE OF HEADWATER STREAMS. Presented at Mid-Atlantic Aquatic Biologists Workshop, Berkeley Springs, WV, March 24 - 25, 2005.
FRITZ, K. M., B. R. JOHNSON, DAVID M. WALTERS, J. E. FLOTEMERSCH, M. PASSMORE, D. MCDONALD, J. KURTENBACH, E. HAMMER, G. HAYSLIP, AND L. HERGER. HEADWATER INTERMITTENT STREAMS STUDY: COLLABORATION ACROSS THE NATION. Presented at 2005 EPA Science Forum, Washington, DC, May 16 - 18, 2005.
FRITZ, K. M., B. R. JOHNSON, J. GREENWOOD, AND DAVID M. WALTERS. REGIONAL METHODS INITIATIVE: DEVELOPMENT OF BIOLOGICAL INDICATORS, METHODS AND ASSESSMENT TECHNIQUES IN FIRST ORDER AND INTERMITTENT STREAMS: HEADWATER INTERMITTENT STREAMS STUDY. Presented at SWIMS Conference, Chicago, IL, February 01 - 03, 2005.
JOHNSON, B. R., J. E. FLOTEMERSCH, AND K. A. BLOCKSOM. REGIONAL METHODS INITIATIVE: DEVELOPMENT OF LARGE RIVER BIOASSESSMENT PROTOCOLS (LRBP) FOR BENTHIC MACROINVERTEBRATES. Presented at SWIMS Conference, Chicago, IL, February 01 - 03, 2005.
LAZORCHAK, J. M., A. D. BIALES, B. R. JOHNSON, K. A. BLOCKSOM, J. E. FLOTEMERSCH, AND E. EMERY. USING GENOMIC INDICATORS IN AQUATIC ORGANISMS TO MANAGE STREAM POPULATIONS EXPOSED TO EMERGING CHEMICALS. Presented at Wright State University, Dayton, OH, April 22, 2005.
WALTERS, DAVID M., K. M. FRITZ, B. R. JOHNSON, AND J. M. LAZORCHAK. USING STABLE ISOTOPES TO TRACK BIOMAGNIFICATION OF POLYCHLORINATED BIPHENYLS (PCBS) THROUGH STREAM FOOD WEBS. Presented at North American Benthological Society, New Orleans, LA, May 22 - 28, 2005.
WALTERS, D., K. M. FRITZ, B. R. JOHNSON, AND J. M. LAZORCHAK. USING STABLE ISOTOPES TO TRACK BIOMAGNIFICATION OF POLYCHLORINATED BIPHENYLS (PCBS) THROUGH STREAM FOOD WEBS. Presented at SETAC, Baltimore, MD, November 13 - 17, 2005.
2004
Fritz, K M., B R. Johnson, D M. Walters, AND J E. Flotemersch. ASSESSING HEADWATER STREAMS: LINKING LANDSCAPES TO STREAM NETWORKS. Presented at Science Forum 2004, Washington, DC, June 1-3, 2004.
Fritz, K M., B R. Johnson, AND D M. Walters. HEADWATER INTERMITTENT STREAM WORKSHOP (NEAEB). Presented at New England Association of Environmental Biologists, Hancock, MA, March 17 - 19, 2004.
Wooten, M. S., E. B. Emery, AND B R. Johnson. TEMPORAL VARIATION IN OHIO RIVER MACROINVERTEBRATES: A HISTORICAL ROCK BASKET COMPARISON, 1960'S TO PRESENT. Presented at North American Benthological Society, Vancouver, Canada, June 6-10, 2004.