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Ryan F. Lepak

Great Lakes Toxicology and Ecology Division

22H指数
53论文数
1.7K被引数
收录论文 33
发表时间
The Global Observation System for Mercury dataset for mercury stable isotope signatures in environmental media汞稳定同位素信号环境介质全球观测系统数据集
err2026-03-17
err0
errOAAI
errJeroen E. Sonke; Sae Yun Kwon; Jason D. Demers; Wang Zheng; Moonkyoung Cho; Hoin Lee; Demetra Williams; Ryan F. Lepak; Sarah E. Janssen
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Historical PFAS trends in the Great Lakes using four decades of archived fish近四十年来存档鱼类中五大湖PFAS的历史趋势
err2026-02-01
err4
PREAI
errBalgooyen, Sarah; Mahon, Michael B.; Krauss, Alena; Sluka, Henry; Backe, Will J.; Ankley, Gerald T.; Lepak, Ryan F.
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Quantifying Depuration of Methylmercury from Fish Consumption by Travelers
err2025-11-01
err0
PREAI
errLepak, Ryan F.; Mve Beh, Jean Herve; Moukegni-Sika, Clotaire; Bibang Binguema, Jean Noel; Janssen, Sarah E.; Ogorek, Jacob M.; Tate, Michael T.; Mcintyre, Peter B.
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A Blueprint and Vision for Aquatic Ecosystem Research at the US EPA Center for Computational Toxicology and Exposure美国环保署计算毒理学与暴露中心水生生态系统研究蓝图与愿景
err2025-10-01
err0
PREAI
errVilleneuve, Daniel L.; Banerji, Aabir; Brown, Heather; Edwards, Stephen; Engebretson, Jesse; Hess, Anna; Hollenhorst, Tom; Jicha, Terri; Klasic, Meghan; Lepak, Ryan; Trebitz, Anett; Vitense, Kelsey; Williams, Kathleen; Yarnes, Christopher; Hoff, Dale J.
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Diverging fish biodiversity trends in cold and warm rivers and streams冷、暖河流和小溪中鱼类生物多样性的趋势差异
errNature
IF48.5
err2025-09-24
err0
PREAI
errSamantha L. Rumschlag; Brian Gallagher; Ryan Hill; Ralf B. Schäfer; Travis S. Schmidt; Taylor Woods; Darin Kopp; Michael Dumelle; Jason R. Rohr; Frederik De Laender; Joel Hoffman; Jonathan Behrens; Ryan Lepak; Devin K. Jones; Michael B. Mahon
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Seasonal Stratification Drives Bioaccumulation of Pelagic Mercury Sources in Eutrophic Lakes季节性分层驱动富营养湖泊中浮游汞源的生物累积
err2025-04-10
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errOAAI
errArmstrong, GJ; Janssen, SE; Lepak, RF; Rosera, TJ; Peterson, BD; Cushing, ST; Tate, MT; Hurley, JP
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A High Efficiency Method for the Extraction and Quantitative Analysis of 45 PFAS in Whole Fish一种高效提取和定量分析全鱼中45种PFAS的方法
err2025-02-15
err0
PREAI
errBalgooyen, Sarah; Scott, Madelynn; Blackwell, Brett R.; Pulster, Erin L.; Mahon, Michael B.; Lepak, Ryan F.; Backe, Will J.
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Contrasting mercury contamination scenarios and site susceptibilities confound fish mercury burdens in Suriname, South America
err2023-11-01
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errOAAI
errVreedzaam, Arioene; Ouboter, Paul; Hindori-Mohangoo, Ashna D.; Lepak, Ryan; Rumschlag, Samantha; Janssen, Sarah; Landburg, Gwen; Shankar, Arti; Zijlmans, Wilco; Lichtveld, Maureen Y.; Wickliffe, Jeffrey K.
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Understanding drivers of mercury in lake trout (Salvelinus namaycush), a top-predator fish in southwest Alaska's parklands
err2023-08-01
err4
errOAAI
errBartz, Krista K.; Hannam, Michael P.; Wilson, Tammy L.; Lepak, Ryan F.; Ogorek, Jacob M.; Young, Daniel B.; -Smith, Collin A. Eagles; Krabbenhoft, David P.
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National-Scale Assessment of Total Gaseous Mercury Isotopes Across the United States
err2023-04-20
err6
errOAAI
errTate, Michael T.; Janssen, Sarah E.; Lepak, Ryan F.; Flucke, Laura; Krabbenhoft, David P.
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Can Preserved Museum Specimens Be Used to Reconstruct Fish Mercury Burden and Sources through Time?保存的博物馆标本可以用来重建鱼类汞的负担和来源吗?
err2023-02-01
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errOAAI
errLepak, Ryan F.; Janssen, Sarah E.; Ogorek, Jacob M.; Dillman, Casey B.; Hoffman, Joel C.; Tate, Michael T.; McIntyre, Peter B.
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Methylmercury Stable Isotopes: New Insights on Assessing Aquatic Food Web Bioaccumulation in Legacy Impacted Regions
err2022-04-29
err12
PREAI
errRosera, Tylor J.; Janssen, Sarah E.; Tate, Michael T.; Lepak, Ryan F.; Ogorek, Jacob M.; DeWild, John F.; Krabbenhoft, David P.; Hurley, James P.
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Using Carbon, Nitrogen, and Mercury Isotope Values to Distinguish Mercury Sources to Alaskan Lake Trout
err2022-03-21
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errOAAI
errLepak, Ryan F.; Ogorek, Jacob M.; Bartz, Krista K.; Janssen, Sarah E.; Tate, Michael T.; Runsheng, Yin; Hurley, James P.; Young, Daniel B.; Eagles-Smith, Collin A.; Krabbenhoft, David P.
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Enhanced Susceptibility of Methylmercury Bioaccumulation into Seston of the Laurentian Great Lakes
err2021-08-30
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errOAAI
errOgorek, Jacob M.; Lepak, Ryan F.; Hoffman, Joel C.; DeWild, John F.; Rosera, Tylor J.; Tate, Michael T.; Hurley, James P.; Krabbenhoft, David P.
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Examining historical mercury sources in the Saint Louis River estuary: How legacy contamination influences biological mercury levels in Great Lakes coastal regions检查圣路易斯河口的历史汞源: 遗留污染如何影响大湖沿岸地区的生物汞水平
err2021-07-01
err22
errOAAI
errJanssen, Sarah E.; Hoffman, Joel C.; Lepak, Ryan F.; Krabbenhoft, David P.; Walters, David; Eagles-Smith, Collin A.; Peterson, Greg; Ogorek, Jacob M.; DeWild, John F.; Cotter, Anne; Pearson, Mark; Tate, Michael T.; Yeardley Jr, Roger B.; Mills, Marc A.
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Aqueous Elemental Mercury Production versus Mercury Inventories in the Lake Michigan Airshed: Deciphering the Spatial and Diel Controls of Mercury Gradients in Air and Water
err2020-12-30
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PREAI
errLepak, Ryan F.; Tate, Michael T.; Ogorek, Jacob M.; DeWild, John F.; Peterson, Benjamin D.; Hurley, James P.; Krabbenhoft, David P.
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Mercury Methylation Genes Identified across Diverse Anaerobic Microbial Guilds in a Eutrophic Sulfate-Enriched Lake富营养化硫酸盐富集的湖泊中不同厌氧微生物公会中鉴定出的汞甲基化基因
err2020-11-24
err57
errOAAI
errPeterson, Benjamin D.; McDaniel, Elizabeth A.; Schmidt, Anna G.; Lepak, Ryan F.; Janssen, Sarah E.; Tran, Patricia Q.; Marick, Robert A.; Ogorek, Jacob M.; DeWild, John F.; Krabbenhoft, David P.; McMahon, Katherine D.
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Isotopic tracing of mercury sources in estuarine-inner shelf sediments of the East China Sea
err2020-07-01
err18
errOAAI
errSun, Xiang; Yin, Runsheng; Hu, Limin; Guo, Zhigang; Hurley, James P.; Lepak, Ryan F.; Li, Xiangdong
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Resolving Atmospheric Mercury Loading and Source Trends from Isotopic Records of Remote North American Lake Sediments
err2020-06-27
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errOAAI
errLepak, Ryan F.; Janssen, Sarah E.; Engstrom, Daniel R.; Krabbenhoft, David P.; Tate, Michael T.; Yin, Runsheng; Fitzgerald, William F.; Nagorski, Sonia A.; Hurley, James P.
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Consistent trace element distribution and mercury isotopic signature between a shallow buried volcanic-hosted epithermal gold deposit and its weathered horizon
err2020-04-01
err3
PREAI
errYin, Runsheng; Pan, Xin; Deng, Changzhou; Sun, Guangyi; Kwon, Sae Yun; Lepak, Ryan F.; Hurley, James P.
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