2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/20/2019 | 9:15 AM - 9:30 AM | ANTHROPOGENIC FOOD WEB SUBSIDIES IN FRESHWATER SYSTEMS: INTEGRATING WATER INFRASTRUCTURE INTO OUR UNDERSTANDING OF THE RIVER CONTINUUM | 151 G
ANTHROPOGENIC FOOD WEB SUBSIDIES IN FRESHWATER SYSTEMS: INTEGRATING WATER INFRASTRUCTURE INTO OUR UNDERSTANDING OF THE RIVER CONTINUUM
Recent work has demonstrated the potential importance that large mammals have on the transport of energy and elements between terrestrial and aquatic systems—animals consume resources in one habitat and excrete/egest elements in another. As many species considered in this body of work are of conservation concern, much of this research considers the implications of the loss of this functional role. In contrast, human populations are growing in many regions of the globe. This growth is frequently centered in urban areas, many of which are located on or near rivers. As such, rivers are often recipients of anthropogenically-derived spatial subsides from human waste that may interact with physicochemical factors and produce spatial and temporal variability in community structure and ecosystem processes. However, limited research has considered human waste from a subsidy perspective or integrated the flow anthropogenic subsidies into our conception of the River Continuum. Here, I will discuss the potential influence of anthropogenic subsidies on spatial and temporal variation of ecosystem processes in river networks. Additionally, using a large Mesoamerican river as a case study, I will highlight interactions between anthropogenic waste streams, fish community structure, and nutrient dynamics.
- Food Webs
- Subsidy
- Organic Matter
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Presenters/Authors
Krista Capps
(), University of Georgia, kcapps@uga.edu;
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