2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

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5/24/2018 | 2:00 PM - 2:15 PM | AN ECOLOGICAL CAUSAL ASSESSMENT OF TRIBUTARIES IN THE RED RIVER VALLEY, MANITOBA: IMPACTS OF AGRICULTURE AND HUMAN SETTLEMENTS | 330 B

AN ECOLOGICAL CAUSAL ASSESSMENT OF TRIBUTARIES IN THE RED RIVER VALLEY, MANITOBA: IMPACTS OF AGRICULTURE AND HUMAN SETTLEMENTS

Water resources on the Canadian Prairies have become increasingly imperilled due to growing human populations, agricultural intensification, and climate change. The Red River Valley (RRV) in southern Manitoba, Canada represents a nexus of these cumulative stressors – here, loss of the protective function of wetlands and streams associated with land use change over the past century, combined with intensifying precipitation and runoff, has resulted in the rapid eutrophication of Lake Winnipeg. A concerted research effort over the past decade has greatly improved the availability of data. However, a full synthesis of this data and associated knowledge remains lacking. We conducted a status assessment to identify and compare contemporary and historical land use, climatic, hydrologic, and water quality conditions within the RRV. Then, using current knowledge of the ecological condition of tributaries in the RRV, we will complete an ecological causal assessment to identify linkages and knowledge gaps between anthropogenic drivers and ecological endpoints. Our findings will direct future research thereby aiding in the prediction of responses to future changes within the RRV. Furthermore, this synthesis will help direct policy and management decisions needed to protect Lake Winnipeg.

Landuse
Watershed
Multi-stressors

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Presenters/Authors

Kristin J. Painter (), Western University & Canadian Rivers Institute, kpainte3@uwo.ca;