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October 17, 2019 @ 4:00 pm - 5:00 pm CDT

Current Research in EEPS Seminar: Dr. Nagissa Mahmoudi – McGill University

What’s on the menu? Investigating the selective diet of microbes using novel isotopic tools

Marine sediments cover almost ~75% of the Earth’s surface and are one of the largest global reservoirs of organic carbon. Microorganisms play a primary role in the decomposition of organic matter in marine sediments. Consequently, the activity of these microorganisms can have profound impacts on both local and global biogeochemical cycles. A major question in carbon biogeochemistry is determining what controls the accessibility or bioavailability of organic matter to microorganisms. It is not clear whether microorganisms themselves are ultimately controlling the degradation rate or whether it depends primarily on chemical and physical properties of the compounds and/or the depositional setting and sediment composition. In this presentation, I will focus on new insights into the dynamics of organic matter degradation using novel isotopic approaches and explore how microbial metabolic potential can influence carbon mobilization in sediments.

Details

Date:
October 17, 2019
Time:
4:00 pm - 5:00 pm CDT
Event Category:

Venue

Keith Weiss Geological Laboratories – Room 100
6100 Main Street
Houston, TX 77251-1892 United States
+ Google Map
Phone:
713.348.4880
Website:
www.earthscience.rice.edu

Details

Date:
October 17, 2019
Time:
4:00 pm - 5:00 pm CDT
Event Category:

Venue

Keith Weiss Geological Laboratories – Room 100
6100 Main Street
Houston, TX 77251-1892 United States
+ Google Map
Phone:
713.348.4880
Website:
www.earthscience.rice.edu

For outside visitors, the best way to get to our department is to come in on Rice Blvd and turn left into entrance 20 (intersection of Rice and Kent St.). At the stop sign, you will see a visitor parking lot on your right.  From there, walk east to the department.  The google map below shows exactly where our building is.