Thresholds in the Response of Free-Floating Plant Abundance to Variation in Hydraulic Connectivity, Nutrients, and Macrophyte Abundance in a Large Floodplain River von Giblin, Shawn M., Houser, Jeffrey N., Sullivan, John F., Langrehr, Heidi A., Rogala, James T., Campbell, Benjamin D.

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A submersed macrophyte index of condition for the Upper Mississippi River von Moore, Megan J.C., Langrehr, Heidi A., Angradi, Ted R.

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Aquatic Vegetation Monitoring in Pool 8 of the Upper Mississippi River System, May-August 1995 von Langrehr, Heidi A

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Assessment of Aerial Photointerpretation for Detecting Submersed Aquatic Vegetation von Langrehr, Heidi A, Dukerschein, J. T

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A summary of water quality characteristics at selected habitat sites in Navigation Pool 8 of the Mississippi River for 1 January-30 December 1989 / by Scott M. Schellhaass and Heidi A. Langrehr ; prepared for U.S. Fish and Wildlife Service, Environmental Management Technical Center von Schellhaass, Scott M

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Multiyear Synthesis of the Aquatic Vegetation Component from 1991 to 2002 for the Long Term Resource Monitoring Program von Yin, Yao, Langrehr, Heidi

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1998 Annual Status Report: Submersed and Floating-Leaf Vegetation in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Yin, Yao, Langrehr, Heidi, Blackburn, Theresa, Moore, Megan, Winkelman, Jenny

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1997 Annual Status Report Status and Trend of Submersed and Floating-leaved Aquatic Vegetation in Thirty-two Backwaters in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mi... von Yin, Yao, Langrehr, Heidi, Nelson, John, Blackburn, Theresa, Cook, Thad

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1998 Annual Status Report: Status and Trend of Submersed and Floating-leaved Aquatic Vegetation in Thirty-two Backwaters in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper M... von Yin, Yao, Langrehr, Heidi, Nelson, John, Blackburn, Theresa, Cook, Thad

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A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System. 1993 Annual Status Report von Rogers, Sara, Blackburn, Theresa, Kruse, Kris, Langrehr, Heidi, Nelson, John

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1994 Annual Status Report: A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Rogers, Sara, Blackburn, Theresa, Langrehr, Heidi, Nelson, John, Spink, Andrew

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A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Rogers, Sara, Blackburn, Theresa, Dieterman, Daniel, Langrehr, Heidi, Nelson, John

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1996 Annual Status Report; A Summary of Aquatic Vegetation Monitoring at Fixed Transects in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Rogers, Sue, Langrehr, Heidi, Dukerschein, J. T, Winkelman, Jenny, Nelson, John

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1995 Annual Status Report: A Summary of Aquatic Vegetation Monitoring at Fixed Transects in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Rogers, Sara, Langrehr, Heidi, Dukerschein, J. T, Winkelman, Jenny, Nelson, John

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1992 Annual Status Report: A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System von Rogers, Sara, Blackburn, Theresa, Langrehr, Heidi, Nelson, John, Romano-Peitzmeyer, Susan

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Calcerous Tufa as Invaluable Geotopes Endangered by (Over-)Tourism: A Case Study in the UNESCO Global Geopark Swabian Alb, Germany von Megerle, Heidi Elisabeth

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Proximity to Whiteness: Transracial Korean and Chinese American Adoptees Navigating Discussions About Racism and Intersectionality With White Adoptive Parents von Reynolds (Taewon Choi), Jason D., Goyal, Ahuti, Nam, Sarah

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The evaluation of a rake method to quantify submersed vegetation in the Upper Mississippi River von Yin, Yao, Kreiling, Rebecca M.

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Environmental factors controlling phytoplankton dynamics in a large floodplain river with emphasis on cyanobacteria von Giblin, Shawn M., Gerrish, Gretchen A.

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Korean Adoptees as Parents: Intergenerationality of Ethnic, Racial, and Adoption Socialization von Zhou, Xiang, Kim, JaeRan, Lee, Heewon, Lee, Richard M.

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