In the face of extreme drought and heatwaves, some farmers in the French region of Côte-d'Or have found innovative ways to sustain their cattle by preserving and restoring wetlands on their land. One such example is Jérôme Coucheney, an agriculturalist who has leased land from Marie-Françoise Chargasse, a retired farmer and landowner. On his 15 hectares of permanent pastures, ecological restoration efforts have helped maintain water supplies for his livestock. These efforts, initiated in 2020 by the Epage of the Armançon, focused on restoring the natural meandering path of the Louère stream and rehabilitating the surrounding wetland. This has allowed water to flow more slowly, infiltrate the soil, and recharge groundwater reserves, which are critical for maintaining water availability during dry periods.
The restored wetland, covering 4,250 square meters, acts like a sponge, absorbing excess water during rainy seasons and releasing it gradually during dry spells. Additional measures include the creation of two ponds and a flexible 300 cubic meter tank that fills naturally from a nearby spring in winter. An automatic watering trough, which replenishes itself as cows drink, has also been installed. These interventions have ensured a reliable water source for the cattle, reducing the need to transport water during critical dry periods.
Research conducted by a team from the University of Liège, Belgium, has shown that hydroregenerative practices—such as creating hedges, buffer ponds, and ditches—can significantly reduce water stress on livestock during droughts worsened by climate change. The study focused on small agricultural watersheds like the 2 square kilometer area of Manaihant-Ourcy in Belgium, where permanent pastures dominate the landscape. These findings support the effectiveness of the restoration efforts in Côte-d'Or.
Vincent Govin, a project manager with Epage of the Armançon, emphasized that restoring wetlands and adopting sustainable agricultural practices should be implemented across entire watersheds to maximize their impact. Marie-Françoise Chargasse has observed positive ecological changes on her land, including the return of frogs, herons, and storks, as well as an increase in insect populations. The project in Montigny-Montfort, which cost around 60,000 euros, was largely funded by the Seine-Normandie Water Agency and the Bourgogne-Franche-Comté region, with support from Epage of the Armançon and the landowner.
Another farmer, Vincent Clément in Massingy-lès-Semur, has also benefited from similar wetland restoration on his 130 hectares of permanent pastures. He has restored two ponds and a 6,750 square meter slope wetland, which now serves as a habitat for various amphibians, including newts and salamanders. Aurore Degré, a professor of hydrology at the University of Liège, highlighted the need for collaboration between public authorities, farmers, and citizens to scale up these efforts. She stressed that the success of wetland preservation relies on the active involvement of agriculturalists, who play a vital role in water conservation.
Agriculturalists Use Wetlands to Combat Drought in Côte-d'Or
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