Embedded Files
spelunking in O'Dea lab archives
example of a cod (Gadus morhua) otolith
Current position:
Current position:
I am a Research Associate in Tony Wang's Stable Isotope Biogeochemistry Lab at Boston College. Previously, I was postdoc scholar working with Seth Finnegan at UC Berkeley and Aaron O'Dea at the Smithsonian Tropical Research Institute (STRI) to better understand the trophic dynamics of the proto-Caribbean before, during, and after the closure of the Inter-American Seaway and associated productivity collapse. I am also working in collaboration with Danny Sigman and Bess Ward in the Department of Geosciences, Princeton U.
Expertise and interests:
Expertise and interests:
Stable isotope geochemistry, biological oceanography, food webs, historical ecology, otolith chemistry, biomineralization
Stable isotope geochemistry, biological oceanography, food webs, historical ecology, otolith chemistry, biomineralization
Research overview:
Research overview:
I use geochemical information from fish otoliths (ear stones) as well as shark teeth, corals, and mollusks as time capsules of oceans' past. Through measuring the isotope compositions of trace amounts of proteins protected within robust structures of the aforementioned biominerals, I am investigating the response of historical and prehistorical marine communities to biogeochemical and ecological changes. I am particularly interested in the relationships among food web structure, predator trophic levels, and nutrient regimes over long time scales.
I use geochemical information from fish otoliths (ear stones) as well as shark teeth, corals, and mollusks as time capsules of oceans' past. Through measuring the isotope compositions of trace amounts of proteins protected within robust structures of the aforementioned biominerals, I am investigating the response of historical and prehistorical marine communities to biogeochemical and ecological changes. I am particularly interested in the relationships among food web structure, predator trophic levels, and nutrient regimes over long time scales.
Jess Lueders-Dumont CV
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