[Department of Ocean Science] OCES Seminar: Ecosystem health from molecules to landscapes
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Abstract:
Dissolved organic matter (DOM) is central to the functioning of global ecosystems, but it is one of the most complex mixtures on Earth, making it difficult to predict its future composition and its role in the environment. In this talk, I will discuss how the molecular composition of DOM is predictably transformed from plant to microbial-derived compounds and influences the functioning of northern waters. I will then explore how global change from catchment- to continental-scales is predicted to shift the future production and consumption of DOM in ways that influence the health of freshwaters.
Biography:
Dr. Andrew J. Tanentzap is currently a Professor in the School of the Environment at Trent University, Canada. He is a Fellow of the College of New Scholars, Artists and Scientists of the Royal Society of Canada and holds the Canada Research Chair in Climate Change and Boreal Ecosystems. Previously (2013-2023), he was a Professor of Global Change Ecology in the Department of Plant Sciences at the University of Cambridge, UK, where he led the Ecosystems and Global Change Group.
As a leading international scholar working across ecology, evolutionary biology, and geochemistry, Prof. Tanentzap has frequently published his findings in top-tier international journals, including Science, Nature Ecology & Evolution , PNAS, Science Advances and Nature Communications. In 2024, he published a paper in Science highlighting the pivotal role of chemical diversity in freshwater ecosystems for aquatic health, which garnered widespread international attention.
Prof. Tanentzap’s research focuses on the interactions between microscopic molecules and microorganisms. Utilizing cutting-edge molecular tools, ecological modeling, and remote monitoring, he precisely tracks the transformation of thousands of carbon compounds in soil and water. This research not only significantly enhances the scientific community's ability to predict how alpine soils, fresh water, and forestry ecosystems respond to climate change, but also provides empirical evidence to support global land carbon management and water environmental policies. In recognition of his groundbreaking research achievements, he was awarded Canada’s prestigious Arthur B. McDonald Fellowship in 2025.
Dr. Andrew J. Tanentzap is currently a Professor in the School of the Environment at Trent University, Canada. He is a Fellow of the College of New Scholars, Artists and Scientists of the Royal Society of Canada and holds the Canada Research Chair in Climate Change and Boreal Ecosystems. Previously (2013-2023), he was a Professor of Global Change Ecology in the Department of Plant Sciences at the University of Cambridge, UK, where he led the Ecosystems and Global Change Group.
As a leading international scholar working across ecology, evolutionary biology, and geochemistry, Prof. Tanentzap has frequently published his findings in top-tier international journals, including Science, Nature Ecology & Evolution , PNAS, Science Advances and Nature Communications. In 2024, he published a paper in Science highlighting the pivotal role of chemical diversity in freshwater ecosystems for aquatic health, which garnered widespread international attention.
Prof. Tanentzap’s research focuses on the interactions between microscopic molecules and microorganisms. Utilizing cutting-edge molecular tools, ecological modeling, and remote monitoring, he precisely tracks the transformation of thousands of carbon compounds in soil and water. This research not only significantly enhances the scientific community's ability to predict how alpine soils, fresh water, and forestry ecosystems respond to climate change, but also provides empirical evidence to support global land carbon management and water environmental policies. In recognition of his groundbreaking research achievements, he was awarded Canada’s prestigious Arthur B. McDonald Fellowship in 2025.