Baruch Microbial Biogeochemistry Lab

Department of Natural Sciences, Baruch College, City University of New York

We study the products of photosynthesis and how they affect natural environments, in both ancient and modern ecosystems. Our undergraduate researchers use biogeochemical tools to follow carbon through microbial communities grown in the lab and sampled from the field. We collaborate with the Microbial Evolution and Biogeochemistry Lab at the Lamont-Doherty Earth Observatory of Columbia University and the Hudson River Park Trust’s River Project.

Our Current Research Themes

Carbon allocation in photosynthetic microbes

Photosynthetic microbes divide the carbon they take up among proteins, lipids, and sugars, and release some of it back into the environment. We grow marine phytoplankton and cyanobacteria under controlled conditions to learn how these choices shift their carbon isotope signal, which underlies a proxy for past atmospheric CO2.

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Microbes and oyster restoration in the Hudson River

Microbial biofilms coat underwater surfaces and are thought to help young oysters attach and grow. With the Hudson River Park Trust’s River Project, we study the biofilms on miniature reef balls beside the Gansevoort salt marsh to learn why seeded oysters persist better in some settings than others.

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Meet the PI

Dr. Ana Gonzalez-Nayeck

Dr. Ana Gonzalez-Nayeck, Principal Investigator

Assistant Professor of Environmental Science, Baruch College, CUNY

Dr. Gonzalez-Nayeck founded the lab after joining Baruch in 2023, and uses carbon stable isotopes and microbial community composition to read environmental conditions in ancient and modern ecosystems.

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News

From the lab

From our PI

Join the Lab

The lab is currently taking only 2–4 independent study students for Spring 2027. You can express interest in future semesters or a senior thesis using the interest form on the Join the Lab page.

Partners & Support

Hudson River Park Trust · Lamont-Doherty Earth Observatory of Columbia University · CUNY Advanced Science Research Center · PSC-CUNY. Meet our collaborators →