2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

6/08/2017 | 9:15 AM - 9:30 AM | THE SWEET SPOT BETWEEN CONTROL AND CHAOS: MEETING IN THE MIDDLE WITH MESOCOSMS | 301A

THE SWEET SPOT BETWEEN CONTROL AND CHAOS: MEETING IN THE MIDDLE WITH MESOCOSMS

In the field of ecotoxicology, the molecular methods revolution and the mechanistic insights they can provide have shifted the focus toward lab studies at the gene-level of the genes to ecosystems continuum. However, focusing on a single species ignores the profound long-term interactions between contaminants, the environment, and organisms which ultimately drive patterns of bioaccumulation and toxicity. Mesocosm studies allow for research with contaminants at both a spatial and temporal scale that can capture the complex interactions between contaminants and the various biotic and abiotic compartments that define the ecosystem of interest. In this talk, several examples will be given from wetland mesocosm experiments used for examining the fate, transformation, and impacts of engineered nanomaterials. This work has: revealed the transformations of relevance to this new class of contaminants; identified unexpected but repeatable methane emissions due to toxic effects on plants stimulating microbes; and have allowed broad patterns of bioaccumulation and trophic transfer to be elucidated. Finally, we will also identify the importance of looking across scales by complimenting mesocosm-scale work with single organism and microcosm scale approaches.

S03 Stressing the 'Eco' in Freshwater Ecotoxicology
C13 Ecotoxicology
S25 Do mesocosm experiments play a meaningful role in freshwater research x S28 Shared pathways: contributions of citizen science to our freshwater future

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Presenters/Authors

Benjamin Colman (), University of Montana, ben.colman@umontana.edu;