Teaching

Instructor, University of Minnesota
ESCI 1006/1106: Oceanography (Fall, 2016) Syllabus
ESCI 4801: Geomicrobiology (Spring, 2014) Syllabus
ESCI 2203: Earth Surface Dynamics (Spring, 2014) Syllabus
ESCI 1006/1106: Oceanography (Fall, 2013) Syllabus
ESCI 1007: From Microbes to Mammoths: History of Life on Earth Syllabus

Guest Lecturer, Penn State University
Geosc 597G: Environmental Metagenomic Analysis

Please contact me at [email protected] if you would like access to my course reviews. U of Minnesota students may access them at http://oms.umn.edu/srtsr/

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Left: Geomicrobiology students (ESCI 4801) brave the Minnesota winter to sample iron-oxidizing microorganisms at St. Mary's Spring, Minneapolis. Photo by Sona Psarka. Center: Iron oxidizing biomats at the emergence of St. Mary's Spring. Eric Stevens for scale. Photo by Palmer Fliss. Right: Photomicrographs of iron encrusted sheaths and stalks of iron-oxidizing microorganisms (Leptothrix spp. and a few Gallionella spp.) from the St. Mary's Spring mat.

ESCI 2203 field trip to Twin Lake, Minneapolis, MN. Twin Lake is a meromictic lake with up to 400 uM hydrogen sulfide in the bottom waters. Left: Piston core collection. Center: Amy Myrbo (UMN, LacCore) demonstrating water sample collection via Van Dorn sampler. Right: Measuring water column profiles in Twin Lake via Hydrolab Sonde. Photos by Anne Longar.

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Student Winogradsky columns from ESCI 2203, created from Twin Lake sediment. Note the development of purple sulfur bacteria (phototrophic sulfide-oxidizing bacteria) in certain columns. (The columns pictured here developed for 6 weeks.)