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In some areas where erosion is severe (cuts of 10 meters deep), CLO’s team build large structures with wire baskets, which they filled with rocks (these structures are called gabions). These structures allow water to pass through but slow the force of flow during flood events. Silt and soil are captured behind the permeable wall and accumulated over time. Eventually the gabions become buried and the riverbed is raised. Each year the gabions are being built higher. Eventually the soil will build up to the point where water can once again run over the surface of the terrain, thus re-forming the wetland.

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Gabions can range in size anywhere from 10 feet across to the size of a football field. We have built 50 large gabions in Mexico.

Discover a wonderful animated movie by Chloe Fandel:

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