2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/26/2021 | 8:30 AM - 10:30 AM | THE RIVER INFORMATION CONTINUUM: INTEGRATING INFORMATION INTO FRESHWATER META-ECOSYSTEM SCIENCE | Virtual Platform
THE RIVER INFORMATION CONTINUUM: INTEGRATING INFORMATION INTO FRESHWATER META-ECOSYSTEM SCIENCE
Fluxes of matter, energy, and information over space and time contribute to ecosystems’ functioning and stability. Organisms’ behavioral, developmental, and life history responses to information: that which reduces their uncertainty about the state of the world. These responses can ripple through trophic interactions to influence ecosystem processes. In watershed meta-ecosystems, communities use not only local resources, but also those exported from upstream. These resources, including organic matter (OM), consist not just of matter and energy, but also of information. Yet the effect of the longitudinal structure of OM identity on biological communities has primarily been considered through a lens of OM as a resource. Here, we posit that the assemblage of organic molecules that make up OM pools, and the information they contain, can also be expected to follow general patterns along the river continuum. Associations between thermodynamically favorable compounds and higher aerobic respiration rates suggest that microbes use information carried by organic molecules to preferentially target them as resources. From this starting point, we explore the potential consequences of spatially structured information landscapes in watersheds and propose new research directions to address this exciting frontier.
- Biogeochemistry
- Meta-ecosystems
- Stream
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Presenters/Authors
Chelsea J. Little
(), Simon Fraser University, chelsea_little@sfu.ca;
ASHA DISCLOSURE:
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James Stegen
(), Pacific Northwest National Laboratory, james.stegen@pnnl.gov;
ASHA DISCLOSURE:
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