Tracy Wiegner, Assistant Professor at University of Hawai'i at Hilo Marine Science

Current Projects

• Effects of groundwater inputs to near-shore water quality in coral reef ecosystems.  NSF CREST and NSF EPSCoR.  Tracy Wiegner (participant) with many collaborators on these center and system-wide grants.  2009-2014
• Effects of storms on Hilo Bay water quality, productivity, and food webs.  Hawaii County, University of Hawai`i Sea Grant College Program (NOAA), and UHH EPSCoR Research Enhancement Activities Program.  2006-2008.  Tracy Wiegner (PI), Lucas Mead (UHH TCBES), Trisha Atwood (UHH TCBES), Jason Turner (UHH).
• Bioavailability of natural and anthropogenic dissolved and particulate organic matter from Hilo Bay ahupua`a. University of Hawai`i Sea Grant College Program (NOAA). 2005-2007. Tracy Wiegner (PI) and Richard Mackenzie (USDA FS).
• Cross ecosystem effects of an invasive N-fixing tree, Falcataria molucana, on Hawaiian streams. Flint Hughes (USDA FS), Tracy Wiegner, and Richard Mackenzie.
• Water quality in anchialine ponds in developed and remote areas on the island of Hawai`i. Fairmont Orchid Resort. 2006. Walter Dudley (PI, UHH) and Tracy Wiegner.
• RELATE: River environments landuse and ahupua`a technologies. B-WET Program (NOAA). 2006-007. Sonia Juvik (PI, UHH), Cynthia Phillips (UHH), and Tracy Wiegner (collaborator).
• Land cover and water quality in Hawaiian streams. UHH EPSCoR Research Enhancement Activities Program. 2004. Tracy Wiegner and Jene Michaud (UHH, Co-PIs).
• Effects of organic matter sources on stream dissolved organic matter chemical composition and bioavailability across an ecological succession gradient. UHH EPSCoR Research Enhancement Activities Program. 2004. Tracy Wiegner (PI)