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3. Review and outlook
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Positives
There are many positive aspects to these operations, in terms of biodiversity gains, reclaiming natural environments and protecting people and property against flooding.
Operations then follow on from one another in a virtuous circle, as each person sees a gain in the aspect that interests them most: ecological, economic, hydraulic...
Working with nature not only improves the quality of life in the area, but also helps to better protect residents. This was the case during the recent floods of 2016 and 2018, when these actions helped to avoid the impact of flooding in the Bièvre valley.
On figure 9 , the turquoise curve indicates the height...
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Review and outlook