2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/20/2019 | 9:00 AM - 9:15 AM | THE IMPORTANCE OF NATURAL FLUVIAL PROCESSES TO DESIGN SUCCESSFUL RESTORATION PROJECTS | 151 ABC
THE IMPORTANCE OF NATURAL FLUVIAL PROCESSES TO DESIGN SUCCESSFUL RESTORATION PROJECTS
It is increasingly recognized that successful river restoration projects should aim at restoring natural fluvial processes, including flooding and bank erosion. These processes also allow for riparian wetlands to be created through meander dynamics. Such a restoration approach is at the heart of the “freedom space for rivers” concept developed in the last decade in Quebec (Canada), which defines the minimal and functional space required for flooding and mobility processes to operate. Many ecological benefits result from this approach, such as enhanced fish habitat diversity and cooler temperature during hot summer months through both connection to riparian wetlands and the presence of in-stream and riparian vegetation. Despite this knowledge, the current restoration guidelines in Quebec are still primarily species based (mainly for salmonids), so implementing process-based concepts is a challenge that requires both bottom up and top down changes in policies. Examples of recent restoration projects based on freedom space concepts will be presented, including in small agricultural straightened streams which reveal great restoration potential associated with former meanders.
- Geomorphology
- Temperature
- Wetland
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Presenters/Authors
Pascale Biron
(), Concordia University, pascale.biron@concordia.ca;
ASHA DISCLOSURE:
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Nonfinancial -