Document Type

Report

Journal/Book Title/Conference

A Report to the Utah Division of Water Quality

Publisher

Utah State University

Publication Date

2-2005

Keywords

salinity, gradient, nutrient lading, sewage

First Page

1

Last Page

71

Abstract

In Fall 2004, the Aquatic Ecology Practicum class at Utah State University finished a third year of research on limnological and ecological characteristics of Farmington Bay and Gilbert Bays of the Great Salt Lake. Our previous research has produced interesting findings in Farmington Bay, including hypereutrophy (Marcarelli et a!. 2001), high phosphorus loading into the Bay, overnight water column anoxia linked to high winds (Wurtsbaugh et a!. 2002), potential predator control of brine shrimp, and high levels of hydrogen sulfide in the sediment and deep brine layer (Marcarelli et a!. 2003). These class findings have lead to increased interest in Farmington and Gilbert Bays. Because of the breadth of research now occurring in Farmington Bay, the topics studied by the students this fall encompassed a wider range of research than ever before. The reports ranged from an expanded analysis of nutrients entering Great Salt Lake, including external loading and biological nitrogen fixation, benthic ecology of Gilbert Bay including analyses of stromatolites and brine shrimp cysts in sediments, and more focused experiments on brine shrimp survival and predation by corixids in Farmington Bay. Key findings of the students are identified below.

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