2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/23/2019 | 11:00 AM - 11:15 AM | APPLYING CONCEPTS OF GENERAL RESILIENCE TO LARGE RIVER ECOSYSTEMS: A CASE STUDY FROM THE UPPER MISSISSIPPI AND ILLINOIS RIVERS | 150 G
APPLYING CONCEPTS OF GENERAL RESILIENCE TO LARGE RIVER ECOSYSTEMS: A CASE STUDY FROM THE UPPER MISSISSIPPI AND ILLINOIS RIVERS
Large floodplain-river ecosystems are often highly modified to provide services that society desires, yet these modifications can limit an ecosystem’s ability to adapt to changing conditions. The adaptive capacity of an ecosystem, its general resilience, is a conceptual framework for considering how a system will respond to such changes. We sought to apply aspects of three general resilience principles (diversity and redundancy, connectivity, and controlling variables) to our understanding of floodplain-river ecosystem structure and function. We demonstrate the applicability of this approach in a case study of the Upper Mississippi River System (UMRS) through the development of ten indicators that likely underlie the capacity of large rivers to cope with environmental change and disturbance. Our results suggest that general resilience indicators vary substantially among and within reaches, illustrating important contrasts across the UMRS. Generally, the indicator values suggested that factors supporting general resilience change longitudinally and are generally diminished along the system’s longitudinal gradient. Further evaluation of the river’s coping capacity in relation to general resilience indicators can improve our understanding of how to best adapt and refine these indicators in making restoration and management decisions.
- Connectivity
- Restoration
- Spatial
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Presenters/Authors
Kristen Bouska
(), U.S. Geological Survey, kbouska@usgs.gov;
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Jeffrey Houser
(), USGS Upper Midwest Environmental Sciences Center, jhouser@usgs.gov;
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Nathan De Jager
(), US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Road, La Crosse, WI 54603, ndejager@usgs.gov;
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Molly Van Appledorn
(), U.S. Geological Survey, Upper Midwest Environmental Sciences Center, mvanappledorn@usgs.gov;
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James Rogala
(), U.S. Geological Survey, jrogala@usgs.gov;
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