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Records 1 to 25 of 34 records from author William Thoeny

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
2022
Yeardley, R., S. Jacobs, K. Fritz, AND W. Thoeny. Comparison of three macroinvertebrate sampling methods for use in assessment of water quality changes in flashy urban streams. Joint Aquatic Sciences Meeting 2022, Grand Rapids, MI, May 14 - 20, 2022.
Lazorchak, Jim, S. DeCelles, A. Kascak, W. Thoeny, N. Dugan, T. Sanan, I. Struewing, Joel Allen, AND J. Lu. Development of a culture method to produce sufficient amounts of microcystin to conduct multispecies acute and chronic toxicity tests. 2022 SETAC North America Annual Meeting, Pittsburg, PA, November 13 - 17, 2022.
Lazorchak, Jim, S. DeCelles, A. Kascak, W. Thoeny, N. Dugan, T. Sanan, I. Struewing, Joel Allen, AND J. Lu. Development of reproducible culture methods to produce cyanotoxins to be used to generate acute and chronic endpoints for freshwater organisms. SETAC Europe 32nd Annual Meeting, Cophenhagen, N/A, DENMARK, May 15 - 19, 2022.
Lazorchak, J., S. Decelles, A. Kascak, W. Thoeny, N. Dugan, T. Sanan, I. Struewing, Hubert Allen, AND J. Lu. Development of reproducible culture methods to produce cyanotoxins to be used to generate acute and chronic endpoints for freshwater organisms. (SETAC 2022). SETAC NA, Pittsburg, PA, November 13 - 17, 2022.
Lazorchak, Jim, A. Kascak, W. Thoeny, A. Johnson, L. Glimsdal, Dave Mount, R. Hockett, C. Flinders, AND M. Griffith. Evaluation and Standardization of a Short Term Chronic Method using Daphnia magna. SETAC Europe 32nd Annual Meeting, Copenhagen, DENMARK, May 15 - 19, 2022.
2021
Lazorchak, Jim, S. DeCelles, A. Kascak, W. Thoeny, N. Dugan, T. Sanan, Dan Tettenhorst, I. Struewing, AND J. Lu. Develop measures of cyanotoxins and other algal toxins associated with ecological harm using aquatic test organisms. 2021 SETAC North America Annual Meeting, Virtual, November 14 - 18, 2021.
Lazorchak, J., T. Norberg-King, A. Kascak, W. Thoeny, C. Flinders, A. Johnson, L. Glimsdal, AND M. Griffith. Evaluation and Standardization of a Whole Effluent Short Term Growth Toxicity Test Method using Daphnia magna. 2021 SETAC North America Annual Meeting, Virtual, November 14 - 18, 2021.
Lazorchak, Jim, H. Haring, W. Thoeny, Mohamed Ghorab, J. Jones, N. Dugan, Joel Allen, T. Sanan, AND C. Nietch. Generating Ecotoxicity Information on Cyanotoxins and Prymnesins Using Extracts of Cultures and Surface Water Samples. 2021 SETAC Europe Annual Meeting, Virtual, May 03 - 06, 2021.
Tettenhorst, D., J. Morgan, S. Decelles, W. Thoeny, AND J. Lazorchak. Method Development for the Isolation and Determination of Prymnesin Toxins in Ambient Water. To be Presented at Society for Environmental Toxicology and Chemistry (SETAC) North America Annual Meeting, Portland, Oregon, November 14 - 18, 2021.
2020
Yeardley, R., S. Jacobs, K. Fritz, AND W. Thoeny. Comparison of Three Macroinvertebrate Sampling Methods for Use in Assessment of Water Quality Changes in Flashy Urban Streams. Journal of Environmental Protection. Scientific Research Publishing, Inc., Irvine, CA, 11(8):585-609, (2020). https://doi.org/10.4236/jep.2020.118035
Lazorchak, Jim, H. Haring, W. Thoeny, Mohamed Ghorab, J. Jones, N. Dugan, Joel Allen, T. Sanan, C. Nietch, AND Dan Tettenhorst. Generating ecotoxicity information on microcystins and prymnesins: A different approach (2020 SETAC). 2020 SETAC North America Annual Meeting, Virtual, November 15 - 19, 2020.
Lazorchak, Jim, R. Martin, H. Haring, W. Thoeny, AND Mohamed Ghorab. Retrospective analyses of aquatic freshwater species sensitivity using reference toxicant testing data. 2020 SETAC SciCon2, Virtual, November 15 - 19, 2020.
Lazorchak, Jim, R. Martin, H. Haring, W. Thoeny, AND Mohamed Ghorab. Retrospective analyses of aquatic freshwater species sensitivity using reference toxicant testing data (2020 SETAC). 2020 SETAC North America Annual Meeting, Virtual, November 15 - 19, 2020.
2019
Lazorchak, J., H. Haring, W. Thoeny, N. Dugan, Hubert Allen, T. Sanan, C. Nietch, AND D. Tettenhorst. Generating ecotoxicity information on microcystins and prymnesins: A different approach (2019 SETAC). 2019 SETAC North America Annual Meeting, Toronto, CANADA, November 03 - 07, 2019.
2018
Yeardley, R., W. Thoeny, Jim Lazorchak, T. Luxton, AND M. Mills. EVALUATING AVOIDANCE AND OTHER BEHAVIORS IN DEVELOPMENT OF A SEDIMENT AVOIDANCE TEST FOR ASSESSING REMEDIATION OF CONTAMINATED SEDIMENTS. SETAC North America 39th Annual Meeting, Sacramento, California, November 04 - 08, 2018.
Fritz, K., M. Mills, Jim Lazorchak, AND W. Thoeny. Macroinvertebrate Assemblage Response to Contaminated Sediment Remediation in a Lacustuary System. 2018 Annual Meeting of the Society for Freshwater Science, Detroit, Michigan, May 20 - 24, 2018.
2016
Lazorchak, Jim, H. Haring, K. Wyatt, W. Thoeny, S. Decelles, J. Miller, A. Dickinson, M. Raby, T. Schmidt, D. Soucek, AND D. Walters. Evaluation and improvements of a mayfly, Neocloeon (Centroptilum) triangulifer (Ephemeroptera: Baetidae) toxicity test method - SETAC Europe 2016. SETAC Europe, Nantes, FRANCE, May 22 - 26, 2016.
Lazorchak, Jim, H. Haring, K. Wyatt, W. Thoeny, S. DeCelles, J. Miller, A. Dickinson, T. Schmidt, D. Soucek, D. Walters, M. Raby, AND T. Watson-Leung. Evaluation and improvements of a mayfly, Neocloeon (Centroptilum) triangulifer ?(Ephemeroptera: Baetidae) toxicity test method. Ontario MOECC Webinar, Webinar, ON, CANADA, May 16 - 23, 2016.
2005
KLEMM, D. J., M. D. MOEYKENS, M. HUDY, K. A. BLOCKSOM, W. T. THOENY, AND J. K. WHALEN. COMPARISON OF USEPA FIELD SAMPLING METHODS FOR BENTHIC MACROINVERTEBRATE STUDIES. Presented at North American Benthological Society, New Orleans, LA, May 22 - 27, 2005.
2003
Klemm, D J., K A. Blocksom, F A. Fulk, A. T. Herlihy, R M. Hughes, P R. Kaufmann, D V. Peck, J L. Stoddard, W T. Thoeny, M. B. Griffith, AND W. S. Davis. DEVELOPMENT AND EVALUATION OF A MACROINVERTEBRATE BIOTIC INTEGRITY INDEX (MBII) FOR REGIONALLY ASSESSING MID-ATLANTIC HIGHLANDS STREAMS. ENVIRONMENTAL MANAGEMENT. Springer-Verlag, New York, NY, 31(5):656-669, (2003).
Klemm, D J., K A. Blocksom, A. T. Herlihy, AND W T. Thoeny. EVALUATION OF MACROINVERTEBRATE TRENDS IN STREAMS VULNERABLE TO ACID DEPOSITION IN THE MID-ATLANTIC HIGHLANDS REGION OF THE U.S.A. Presented at Society of Environmental Toxicology and Chemistry, Austin, TX, November 8-13, 2003.
2002
Klemm, D J., P. A. Lewis, W T. Thoeny, AND F A. Fulk. A PILOT STUDY COMPARING TWO BENTHIC MACROINVERTEBRATE COLLECTION METHODS FOR BIOASSESSMENT OF WADEABLE STREAMS. Presented at Society of Environmental Toxicology and Chemistry, Salt Lake City, UT, November 18-22, 2002.
Klemm, D J., K A. Blocksom, J J. Hutchens, F A. Fulk, W T. Thoeny, AND E S. Grimmett. COMPARISON OF BENTHIC MACROINVERTEBRATE ASSEMBLAGES FROM INTERMITTENT AND PERENNIAL STREAMS IN THE MID-ATLANTIC REGION. Presented at North American Benthological Society, Pittsburgh, PA, May 28-June 1, 2002.
Klemm, D J., K A. Blocksom, W T. Thoeny, F A. Fulk, A. T. Herlihy, P R. Kaufmann, AND S M. Cormier. METHODS DEVELOPMENT AND USE OF MACROINVERTEBRATES AS INDICATORS OF ECOLOGICAL CONDITIONS FOR STREAMS IN THE MID-ATLANTIC HIGHLANDS REGION. ENVIRONMENTAL MONITORING AND ASSESSMENT 78(2):169-212, (2002).