RESEARCH

Current Projects

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)