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Records 1 to
25
of 96 records from author Brent Johnson
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.